DE69014219T2 - Photochromisches Material. - Google Patents
Photochromisches Material.Info
- Publication number
- DE69014219T2 DE69014219T2 DE69014219T DE69014219T DE69014219T2 DE 69014219 T2 DE69014219 T2 DE 69014219T2 DE 69014219 T DE69014219 T DE 69014219T DE 69014219 T DE69014219 T DE 69014219T DE 69014219 T2 DE69014219 T2 DE 69014219T2
- Authority
- DE
- Germany
- Prior art keywords
- photochromic material
- photochromic
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1045997A JP2722617B2 (ja) | 1989-02-27 | 1989-02-27 | フォトクロミック材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69014219D1 DE69014219D1 (de) | 1995-01-05 |
DE69014219T2 true DE69014219T2 (de) | 1995-04-06 |
Family
ID=12734742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69014219T Expired - Fee Related DE69014219T2 (de) | 1989-02-27 | 1990-02-27 | Photochromisches Material. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5155230A (de) |
EP (1) | EP0385407B1 (de) |
JP (1) | JP2722617B2 (de) |
DE (1) | DE69014219T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6770687B1 (en) | 1996-11-21 | 2004-08-03 | Ncr Corporation | Water-based dual security ink |
US5883043A (en) * | 1997-08-27 | 1999-03-16 | Ncr Corporation | Thermal paper with security features |
US6106910A (en) * | 1998-06-30 | 2000-08-22 | Ncr Corporation | Print media with near infrared fluorescent sense mark and printer therefor |
US6165937A (en) * | 1998-09-30 | 2000-12-26 | Ncr Corporation | Thermal paper with a near infrared radiation scannable data image |
US6803344B2 (en) | 2001-12-21 | 2004-10-12 | Ncr Corporation | Thermal paper with preprinted indicia |
US7645719B2 (en) * | 2004-10-13 | 2010-01-12 | Ncr Corporation | Thermal paper with security features |
LT6024B (lt) | 2012-08-30 | 2014-04-25 | Kauno technologijos universitetas | Nauji fotochrominiai junginiai, jų gamybos būdas ir tarpiniai junginiai jiems gauti |
LT6285B (lt) | 2014-12-09 | 2016-07-25 | Kauno technologijos universitetas | Nauji fotochrominiai junginiai ir tarpiniai junginiai jiems gauti |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE414062A (de) * | 1935-02-27 | |||
US3212898A (en) * | 1962-11-21 | 1965-10-19 | American Cyanamid Co | Photosensitive compositions of matter comprising photochromic materials suspended in polyester binders |
US3532638A (en) * | 1967-04-28 | 1970-10-06 | Eastman Kodak Co | Phototropic compositions |
JPS4923897B1 (de) * | 1970-11-19 | 1974-06-19 | ||
FR2445334A1 (fr) * | 1978-12-28 | 1980-07-25 | Issec Labo Physicochimie | Procede de reproduction couleur par photodecoloration de complexes de spiropyrannes et/ou merocyanines, et le papier sensible correspondant |
-
1989
- 1989-02-27 JP JP1045997A patent/JP2722617B2/ja not_active Expired - Fee Related
-
1990
- 1990-02-20 US US07/481,871 patent/US5155230A/en not_active Expired - Lifetime
- 1990-02-27 DE DE69014219T patent/DE69014219T2/de not_active Expired - Fee Related
- 1990-02-27 EP EP90103826A patent/EP0385407B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0385407A2 (de) | 1990-09-05 |
JPH02226141A (ja) | 1990-09-07 |
US5155230A (en) | 1992-10-13 |
JP2722617B2 (ja) | 1998-03-04 |
EP0385407B1 (de) | 1994-11-23 |
EP0385407A3 (de) | 1991-10-09 |
DE69014219D1 (de) | 1995-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT O |
|
8339 | Ceased/non-payment of the annual fee |