US3886083A - Safety inks and documents - Google Patents
Safety inks and documents Download PDFInfo
- Publication number
- US3886083A US3886083A US468409A US46840974A US3886083A US 3886083 A US3886083 A US 3886083A US 468409 A US468409 A US 468409A US 46840974 A US46840974 A US 46840974A US 3886083 A US3886083 A US 3886083A
- Authority
- US
- United States
- Prior art keywords
- water
- soluble
- dye
- lower alcohols
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/916—Fraud or tamper detecting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
Abstract
Description
Claims (4)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US468409A US3886083A (en) | 1974-05-09 | 1974-05-09 | Safety inks and documents |
GB118975A GB1455678A (en) | 1974-05-09 | 1975-01-10 | Safety inks and documents |
CA218,520A CA1039456A (en) | 1974-05-09 | 1975-01-23 | Safety inks and documents |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US468409A US3886083A (en) | 1974-05-09 | 1974-05-09 | Safety inks and documents |
Publications (1)
Publication Number | Publication Date |
---|---|
US3886083A true US3886083A (en) | 1975-05-27 |
Family
ID=23859700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US468409A Expired - Lifetime US3886083A (en) | 1974-05-09 | 1974-05-09 | Safety inks and documents |
Country Status (3)
Country | Link |
---|---|
US (1) | US3886083A (en) |
CA (1) | CA1039456A (en) |
GB (1) | GB1455678A (en) |
Cited By (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136229A (en) * | 1976-05-25 | 1979-01-23 | Societe Anonyme Dite: Arjomari-Prioux | Security paper |
US4183989A (en) * | 1976-12-07 | 1980-01-15 | Portals Limited | Security papers |
DE2834459A1 (en) * | 1978-08-05 | 1980-03-06 | Staedtler Fa J S | Reducible ink for marking or coating daylight projection film - contains water, glycol, reducible dyestuff and wetting agent |
US4411946A (en) * | 1981-01-08 | 1983-10-25 | Bayer Aktiengesellschaft | Impregnating paper with 7-hydroxy-coumarin compounds |
US4627642A (en) * | 1984-09-07 | 1986-12-09 | Sotimag (Sarl) | Method of marking for deterring fraud with valuable documents |
US4884828A (en) * | 1987-02-18 | 1989-12-05 | Cmb Packaging (Uk) Limited | Security documents |
US4936607A (en) * | 1988-01-27 | 1990-06-26 | Moore Business Forms, Inc. | Security for images formed by impact based systems |
US5033773A (en) * | 1988-01-27 | 1991-07-23 | Moore Business Forms | Security for images formed by impact based systems |
US5058925A (en) * | 1989-12-13 | 1991-10-22 | The Standard Register Company | Leach resistant ink for protecting documents from alteration and document protected thereby |
US5064221A (en) * | 1989-03-02 | 1991-11-12 | Francotyp-Postalia Gmbh | Method for distinguishing printed originals from copies |
US5135569A (en) * | 1990-08-24 | 1992-08-04 | W. R. Grace & Co.-Conn. | Ink composition containing fluorescent component and method of tagging articles therewith |
US5232494A (en) * | 1992-07-31 | 1993-08-03 | Binney & Smith Inc. | Color changing compositions |
WO1994006872A1 (en) * | 1992-09-18 | 1994-03-31 | The Gillette Company | Assembly or set of different color inks and an assembly of writing instruments |
WO1994016902A1 (en) * | 1993-01-22 | 1994-08-04 | Butland Trust Organization | Technique for labeling an object for its identification and/or verification |
US5352282A (en) * | 1992-07-31 | 1994-10-04 | Binney & Smith, Inc. | Color changing compositions |
US5362167A (en) * | 1991-12-18 | 1994-11-08 | The Gillette Company | Fiber marker including an erasable ink |
US5378752A (en) * | 1992-11-05 | 1995-01-03 | The Gillette Company | Ink eradicator system including film forming polymer |
US5421869A (en) * | 1993-05-28 | 1995-06-06 | Nocopi Technologies, Inc. | Security marking method and composition |
US5460647A (en) * | 1995-02-10 | 1995-10-24 | Binney & Smith Inc. | Color-changing marking composition system |
US5464470A (en) * | 1995-02-10 | 1995-11-07 | Binney & Smith Inc. | Color-changing marking composition system |
US5478382A (en) * | 1992-07-31 | 1995-12-26 | Binney & Smith Inc. | Color changing compositions for use on non-porous surfaces |
US5486228A (en) * | 1992-07-31 | 1996-01-23 | Binney & Smith Inc. | Washable color changing compositions |
US5489331A (en) * | 1992-07-31 | 1996-02-06 | Binney & Smith Inc. | Color changing compositions using acids |
US5492558A (en) * | 1992-07-31 | 1996-02-20 | Binney & Smith Inc. | Color changing compositions for highlighters |
US5498282A (en) * | 1992-07-31 | 1996-03-12 | Binney & Smith Inc. | Color changing pan paint compositions |
WO1996009590A1 (en) * | 1994-09-20 | 1996-03-28 | Nevin William W | System and method for generating and printing printouts and for detecting and preventing alteration of bank instrument |
US5503665A (en) * | 1992-07-31 | 1996-04-02 | Binney & Smith Inc. | Latent image compositions |
US5510199A (en) * | 1994-06-06 | 1996-04-23 | Clarke American Checks, Inc. | Photocopy resistant document and method of making same |
US5516590A (en) * | 1993-07-15 | 1996-05-14 | Ncr Corporation | Fluorescent security thermal transfer printing ribbons |
US5516362A (en) * | 1993-05-28 | 1996-05-14 | Nocopi Technologies, Inc. | Security marking method and composition |
US5599578A (en) * | 1986-04-30 | 1997-02-04 | Butland; Charles L. | Technique for labeling an object for its identification and/or verification |
US5599853A (en) * | 1993-01-29 | 1997-02-04 | The Gillette Company | Erasable inks |
US5649999A (en) * | 1996-02-22 | 1997-07-22 | The Gillette Company | Ink eradicator system |
US5766324A (en) * | 1994-12-28 | 1998-06-16 | Hitachi Maxell, Ltd. | Ink composition, printed matter, and thermal transfer recording medium |
US5789019A (en) * | 1994-07-21 | 1998-08-04 | Alagao Aktiengesellschaft | Method for protecting against forgery sheet-like printed documents |
WO1998034990A1 (en) * | 1997-02-10 | 1998-08-13 | Jong Yol Kim | Interior wallpaper printing composition and manufacturing method thereof |
US5807224A (en) * | 1984-05-22 | 1998-09-15 | Southpac Trust International, Inc. | Sheets and sheet rolls of wrapping material having information selectable by choice blocks |
US5916357A (en) * | 1997-03-25 | 1999-06-29 | The Gillette Company | Eradicable inks |
WO1999034984A1 (en) * | 1998-01-07 | 1999-07-15 | Dna Technologies, Inc. | Labeling technique for countering product diversion and product counterfeiting |
US5944881A (en) * | 1997-07-25 | 1999-08-31 | The Standard Register Company | Tri-component security numbering ink |
US6149721A (en) * | 1999-02-03 | 2000-11-21 | The Gillette Company | Solvent-based pen inks |
US6159585A (en) * | 1997-03-14 | 2000-12-12 | Georgia-Pacific Corporation | Security paper |
CN1060494C (en) * | 1997-05-22 | 2001-01-10 | 石家庄印钞厂 | Anti-altering printing ink |
US6232124B1 (en) | 1996-05-06 | 2001-05-15 | Verification Technologies, Inc. | Automated fingerprint methods and chemistry for product authentication and monitoring |
US6490030B1 (en) | 1999-01-18 | 2002-12-03 | Verification Technologies, Inc. | Portable product authentication device |
US6512580B1 (en) | 1999-10-27 | 2003-01-28 | Verification Technologies, Inc. | Method and apparatus for portable product authentication |
US20030112423A1 (en) * | 2000-04-24 | 2003-06-19 | Rakesh Vig | On-line verification of an authentication mark applied to products or product packaging |
US6589626B2 (en) | 2000-06-30 | 2003-07-08 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US6638593B2 (en) | 2000-06-30 | 2003-10-28 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US20040000787A1 (en) * | 2000-04-24 | 2004-01-01 | Rakesh Vig | Authentication mark for a product or product package |
US20040023397A1 (en) * | 2002-08-05 | 2004-02-05 | Rakesh Vig | Tamper-resistant authentication mark for use in product or product packaging authentication |
US6786954B1 (en) * | 1999-06-10 | 2004-09-07 | The Board Of Trustees Of The Leland Stanford Junior University | Document security method utilizing microdrop combinatorics, ink set and ink composition used therein, and product formed |
US20050083829A1 (en) * | 2000-08-03 | 2005-04-21 | Selinfreund Richard H. | Method and apparatus for controlling access to storage media |
WO2005035673A1 (en) * | 2003-10-07 | 2005-04-21 | Sanford L.P. | Highlightable inks comprising eradicable dyes, marking instruments, and methods of using the same |
US20050158471A1 (en) * | 2003-10-07 | 2005-07-21 | Leighton Davies-Smith | Method of highlighting with a reversible highlighting mixture, highlighting kit, and highlighted complex |
US6936334B2 (en) * | 2002-06-07 | 2005-08-30 | Eastman Kodak Company | Steganographically encoded media object having an invisible colorant |
US20060066465A1 (en) * | 2004-09-25 | 2006-03-30 | Gotthilf Koerner | Circuit configuration for analog/digital conversion |
US7079230B1 (en) | 1999-07-16 | 2006-07-18 | Sun Chemical B.V. | Portable authentication device and method of authenticating products or product packaging |
EP1707611A2 (en) | 2000-09-08 | 2006-10-04 | Nanosolutions GmbH | Synthesis of nanoparticles |
US7124944B2 (en) | 2000-06-30 | 2006-10-24 | Verification Technologies, Inc. | Product packaging including digital data |
US20070001011A1 (en) * | 2000-06-30 | 2007-01-04 | Verification Technologies, Inc. | Product packaging including digital data |
US20070017413A1 (en) * | 2003-10-07 | 2007-01-25 | Sanford, L.P. | Highlighting marking compositions, highlighting kits, and highlighted complexes |
US7241399B2 (en) | 2000-09-08 | 2007-07-10 | Centrum Fuer Angewandte Nanotechnologie (Can) Gmbh | Synthesis of nanoparticles |
US7486790B1 (en) | 2000-06-30 | 2009-02-03 | Verification Technologies, Inc. | Method and apparatus for controlling access to storage media |
US20090311415A1 (en) * | 2005-03-04 | 2009-12-17 | Andre Josten | Marker Solution to be Applied by Means of an Inkjet Printer |
WO2014176686A1 (en) * | 2013-05-02 | 2014-11-06 | Delphax Technologies Inc. | Use of flourescent inks for document authentication |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9408342D0 (en) * | 1994-04-27 | 1994-06-15 | Willett Int Ltd | Method and composition |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1866400A (en) * | 1928-03-06 | 1932-07-05 | Milton C Johnson Company | Safety paper |
US1916606A (en) * | 1928-03-06 | 1933-07-04 | Milton C Johnson Company | Safety paper |
US2313592A (en) * | 1940-09-26 | 1943-03-09 | Todd Co Inc | Safety paper and process of preparing the same |
US2555474A (en) * | 1948-06-04 | 1951-06-05 | Vries John De | Safety ink |
US2950050A (en) * | 1955-11-09 | 1960-08-23 | Ncr Co | Record member |
US3088841A (en) * | 1960-03-01 | 1963-05-07 | American Bank Note Co | Safety inks and documents |
US3162642A (en) * | 1960-07-15 | 1964-12-22 | Nat Marking Mach Co | Fluorescent pigments |
US3400003A (en) * | 1963-04-02 | 1968-09-03 | American Bank Note Co | Safety inks and documents |
US3489703A (en) * | 1966-09-02 | 1970-01-13 | Magnaflux Corp | Quick-drying marking paint |
US3561990A (en) * | 1966-06-14 | 1971-02-09 | Koppers Co Inc | Fluorescent ink and method for making materials fluoresce |
US3741907A (en) * | 1970-03-20 | 1973-06-26 | Giegle G & Co Gmbh | Fluorescent pigments having an isocyanate resin base |
US3804774A (en) * | 1972-08-03 | 1974-04-16 | Horizons Inc | Inks which fluoresce when exposed to near or middle ultraviolet radiation |
-
1974
- 1974-05-09 US US468409A patent/US3886083A/en not_active Expired - Lifetime
-
1975
- 1975-01-10 GB GB118975A patent/GB1455678A/en not_active Expired
- 1975-01-23 CA CA218,520A patent/CA1039456A/en not_active Expired
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1866400A (en) * | 1928-03-06 | 1932-07-05 | Milton C Johnson Company | Safety paper |
US1916606A (en) * | 1928-03-06 | 1933-07-04 | Milton C Johnson Company | Safety paper |
US2313592A (en) * | 1940-09-26 | 1943-03-09 | Todd Co Inc | Safety paper and process of preparing the same |
US2555474A (en) * | 1948-06-04 | 1951-06-05 | Vries John De | Safety ink |
US2950050A (en) * | 1955-11-09 | 1960-08-23 | Ncr Co | Record member |
US3088841A (en) * | 1960-03-01 | 1963-05-07 | American Bank Note Co | Safety inks and documents |
US3162642A (en) * | 1960-07-15 | 1964-12-22 | Nat Marking Mach Co | Fluorescent pigments |
US3400003A (en) * | 1963-04-02 | 1968-09-03 | American Bank Note Co | Safety inks and documents |
US3561990A (en) * | 1966-06-14 | 1971-02-09 | Koppers Co Inc | Fluorescent ink and method for making materials fluoresce |
US3489703A (en) * | 1966-09-02 | 1970-01-13 | Magnaflux Corp | Quick-drying marking paint |
US3741907A (en) * | 1970-03-20 | 1973-06-26 | Giegle G & Co Gmbh | Fluorescent pigments having an isocyanate resin base |
US3804774A (en) * | 1972-08-03 | 1974-04-16 | Horizons Inc | Inks which fluoresce when exposed to near or middle ultraviolet radiation |
Cited By (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136229A (en) * | 1976-05-25 | 1979-01-23 | Societe Anonyme Dite: Arjomari-Prioux | Security paper |
US4183989A (en) * | 1976-12-07 | 1980-01-15 | Portals Limited | Security papers |
DE2834459A1 (en) * | 1978-08-05 | 1980-03-06 | Staedtler Fa J S | Reducible ink for marking or coating daylight projection film - contains water, glycol, reducible dyestuff and wetting agent |
US4411946A (en) * | 1981-01-08 | 1983-10-25 | Bayer Aktiengesellschaft | Impregnating paper with 7-hydroxy-coumarin compounds |
US5934044A (en) * | 1984-05-22 | 1999-08-10 | Southpac Trust International, Inc. | Method of forming a flower pot or flower pot cover having a label incorporated therein |
US5807224A (en) * | 1984-05-22 | 1998-09-15 | Southpac Trust International, Inc. | Sheets and sheet rolls of wrapping material having information selectable by choice blocks |
US4627642A (en) * | 1984-09-07 | 1986-12-09 | Sotimag (Sarl) | Method of marking for deterring fraud with valuable documents |
US5599578A (en) * | 1986-04-30 | 1997-02-04 | Butland; Charles L. | Technique for labeling an object for its identification and/or verification |
US5360628A (en) * | 1986-04-30 | 1994-11-01 | Butland Trust Organization | Technique for labeling an object for its identification and/or verification |
US4884828A (en) * | 1987-02-18 | 1989-12-05 | Cmb Packaging (Uk) Limited | Security documents |
US4936607A (en) * | 1988-01-27 | 1990-06-26 | Moore Business Forms, Inc. | Security for images formed by impact based systems |
US5033773A (en) * | 1988-01-27 | 1991-07-23 | Moore Business Forms | Security for images formed by impact based systems |
US5064221A (en) * | 1989-03-02 | 1991-11-12 | Francotyp-Postalia Gmbh | Method for distinguishing printed originals from copies |
US5058925A (en) * | 1989-12-13 | 1991-10-22 | The Standard Register Company | Leach resistant ink for protecting documents from alteration and document protected thereby |
US5135569A (en) * | 1990-08-24 | 1992-08-04 | W. R. Grace & Co.-Conn. | Ink composition containing fluorescent component and method of tagging articles therewith |
US5362167A (en) * | 1991-12-18 | 1994-11-08 | The Gillette Company | Fiber marker including an erasable ink |
US5919858A (en) * | 1991-12-18 | 1999-07-06 | The Gillette Company | Erasable inks |
US5503665A (en) * | 1992-07-31 | 1996-04-02 | Binney & Smith Inc. | Latent image compositions |
US5326388A (en) * | 1992-07-31 | 1994-07-05 | Binney & Smith Inc. | Color changing compositions |
US5232494A (en) * | 1992-07-31 | 1993-08-03 | Binney & Smith Inc. | Color changing compositions |
US5352282A (en) * | 1992-07-31 | 1994-10-04 | Binney & Smith, Inc. | Color changing compositions |
US5478382A (en) * | 1992-07-31 | 1995-12-26 | Binney & Smith Inc. | Color changing compositions for use on non-porous surfaces |
US5486228A (en) * | 1992-07-31 | 1996-01-23 | Binney & Smith Inc. | Washable color changing compositions |
US5489331A (en) * | 1992-07-31 | 1996-02-06 | Binney & Smith Inc. | Color changing compositions using acids |
US5492558A (en) * | 1992-07-31 | 1996-02-20 | Binney & Smith Inc. | Color changing compositions for highlighters |
US5498282A (en) * | 1992-07-31 | 1996-03-12 | Binney & Smith Inc. | Color changing pan paint compositions |
WO1994006872A1 (en) * | 1992-09-18 | 1994-03-31 | The Gillette Company | Assembly or set of different color inks and an assembly of writing instruments |
US5549742A (en) * | 1992-09-18 | 1996-08-27 | Gillette Company | Assembly or set of different color inks and an assembly of writing instruments |
US5378752A (en) * | 1992-11-05 | 1995-01-03 | The Gillette Company | Ink eradicator system including film forming polymer |
WO1994016902A1 (en) * | 1993-01-22 | 1994-08-04 | Butland Trust Organization | Technique for labeling an object for its identification and/or verification |
US5599853A (en) * | 1993-01-29 | 1997-02-04 | The Gillette Company | Erasable inks |
US5516362A (en) * | 1993-05-28 | 1996-05-14 | Nocopi Technologies, Inc. | Security marking method and composition |
US5421869A (en) * | 1993-05-28 | 1995-06-06 | Nocopi Technologies, Inc. | Security marking method and composition |
US5516590A (en) * | 1993-07-15 | 1996-05-14 | Ncr Corporation | Fluorescent security thermal transfer printing ribbons |
US5510199A (en) * | 1994-06-06 | 1996-04-23 | Clarke American Checks, Inc. | Photocopy resistant document and method of making same |
US5789019A (en) * | 1994-07-21 | 1998-08-04 | Alagao Aktiengesellschaft | Method for protecting against forgery sheet-like printed documents |
WO1996009590A1 (en) * | 1994-09-20 | 1996-03-28 | Nevin William W | System and method for generating and printing printouts and for detecting and preventing alteration of bank instrument |
US6030657A (en) * | 1994-11-01 | 2000-02-29 | Dna Technologies, Inc. | Labeling technique for countering product diversion and product counterfeiting |
US5766324A (en) * | 1994-12-28 | 1998-06-16 | Hitachi Maxell, Ltd. | Ink composition, printed matter, and thermal transfer recording medium |
US5464470A (en) * | 1995-02-10 | 1995-11-07 | Binney & Smith Inc. | Color-changing marking composition system |
US5460647A (en) * | 1995-02-10 | 1995-10-24 | Binney & Smith Inc. | Color-changing marking composition system |
US5649999A (en) * | 1996-02-22 | 1997-07-22 | The Gillette Company | Ink eradicator system |
US6458595B1 (en) | 1996-05-06 | 2002-10-01 | Verification Technologies, Inc. | Automated fingerprint methods and chemistry for product authentication and monitoring |
US6232124B1 (en) | 1996-05-06 | 2001-05-15 | Verification Technologies, Inc. | Automated fingerprint methods and chemistry for product authentication and monitoring |
WO1998034990A1 (en) * | 1997-02-10 | 1998-08-13 | Jong Yol Kim | Interior wallpaper printing composition and manufacturing method thereof |
US6159585A (en) * | 1997-03-14 | 2000-12-12 | Georgia-Pacific Corporation | Security paper |
US6221432B1 (en) | 1997-03-25 | 2001-04-24 | Yichun Wang | Eradicable inks |
US5916357A (en) * | 1997-03-25 | 1999-06-29 | The Gillette Company | Eradicable inks |
CN1060494C (en) * | 1997-05-22 | 2001-01-10 | 石家庄印钞厂 | Anti-altering printing ink |
US5944881A (en) * | 1997-07-25 | 1999-08-31 | The Standard Register Company | Tri-component security numbering ink |
WO1999034984A1 (en) * | 1998-01-07 | 1999-07-15 | Dna Technologies, Inc. | Labeling technique for countering product diversion and product counterfeiting |
US6707539B2 (en) | 1999-01-18 | 2004-03-16 | Verification Technologies, Inc. | Portable product authentication device |
US6490030B1 (en) | 1999-01-18 | 2002-12-03 | Verification Technologies, Inc. | Portable product authentication device |
US6149721A (en) * | 1999-02-03 | 2000-11-21 | The Gillette Company | Solvent-based pen inks |
US6786954B1 (en) * | 1999-06-10 | 2004-09-07 | The Board Of Trustees Of The Leland Stanford Junior University | Document security method utilizing microdrop combinatorics, ink set and ink composition used therein, and product formed |
US7079230B1 (en) | 1999-07-16 | 2006-07-18 | Sun Chemical B.V. | Portable authentication device and method of authenticating products or product packaging |
US6512580B1 (en) | 1999-10-27 | 2003-01-28 | Verification Technologies, Inc. | Method and apparatus for portable product authentication |
US20030112423A1 (en) * | 2000-04-24 | 2003-06-19 | Rakesh Vig | On-line verification of an authentication mark applied to products or product packaging |
US20040000787A1 (en) * | 2000-04-24 | 2004-01-01 | Rakesh Vig | Authentication mark for a product or product package |
US6638593B2 (en) | 2000-06-30 | 2003-10-28 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US6589626B2 (en) | 2000-06-30 | 2003-07-08 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US7303803B2 (en) | 2000-06-30 | 2007-12-04 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US20070001011A1 (en) * | 2000-06-30 | 2007-01-04 | Verification Technologies, Inc. | Product packaging including digital data |
US7124944B2 (en) | 2000-06-30 | 2006-10-24 | Verification Technologies, Inc. | Product packaging including digital data |
US7486790B1 (en) | 2000-06-30 | 2009-02-03 | Verification Technologies, Inc. | Method and apparatus for controlling access to storage media |
US20080066090A1 (en) * | 2000-06-30 | 2008-03-13 | Verification Technologies, Inc. | Storage Media Access Control Method and System |
US7660415B2 (en) | 2000-08-03 | 2010-02-09 | Selinfreund Richard H | Method and apparatus for controlling access to storage media |
US20080144459A1 (en) * | 2000-08-03 | 2008-06-19 | Verification Technologies, Inc. | Method and apparatus for controlling access to storage media |
US20060023600A1 (en) * | 2000-08-03 | 2006-02-02 | Verification Technologies, Inc. | Method and apparatus for controling access to storage media |
US20050083829A1 (en) * | 2000-08-03 | 2005-04-21 | Selinfreund Richard H. | Method and apparatus for controlling access to storage media |
EP1707611A2 (en) | 2000-09-08 | 2006-10-04 | Nanosolutions GmbH | Synthesis of nanoparticles |
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Publication number | Publication date |
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GB1455678A (en) | 1976-11-17 |
CA1039456A (en) | 1978-10-03 |
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