|
| US4059121 | 27 Jan 1975 | 22 Nov 1977 | Rothmans of Pall Mall Canada Limited | Filter for tobacco smoke |
| US4064304 | 14 Jul 1976 | 20 Dec 1977 | Kanzaki Paper Manufacturing Company, Ltd. Toray Industries, Inc. | Coated synthetic paper adapted for offset printing and method for production thereof |
| US4110385 | 16 Aug 1976 | 29 Aug 1978 | BASF Aktiengesellschaft | Manufacture of fibrids of polyolefins |
| US4112029 | 13 Dec 1974 | 5 Sep 1978 | BASF Aktiengesellschaft | Manufacture of fibrids of polyolefins |
| US4179875 | 14 Jun 1978 | 25 Dec 1979 | Fiber Industries, Inc. | High tenacity, low denier poly(ethylene terephthalate) fibrillated tape yarn |
| US4352650 | 24 Mar 1981 | 5 Oct 1982 | E. I. Du Pont de Nemours and Company | Nozzle for flash-extrusion apparatus |
| US4392861 | 14 Oct 1980 | 12 Jul 1983 | Johnson & Johnson Baby Products Company | Two-ply fibrous facing material |
| US4425126 | 14 Oct 1980 | 10 Jan 1984 | Johnson & Johnson Baby Products Company | Fibrous material and method of making the same using thermoplastic synthetic wood pulp fibers |
| US4537733 | 31 Oct 1983 | 27 Aug 1985 | E. I. Du Pont de Nemours and Company | Nonwoven fiber-sheet process |
| US4554207 | 10 Dec 1984 | 19 Nov 1985 | E. I. Du Pont de Nemours and Company | Stretched-and-bonded polyethylene plexifilamentary nonwoven sheet |
| US4572858 | 23 Nov 1984 | 25 Feb 1986 | American Cyanamid Company | Process for texturized blown film and resulting product |
| US4666395 | 30 Dec 1985 | 19 May 1987 | E. I. DuPont de Nemours and Company | Apparatus for making nonwoven sheet |
| US4704321 | 5 Nov 1986 | 3 Nov 1987 | E. I. Du Pont de Nemours and Company | Stitched polyethylene plexifilamentary sheet |
| US4900619 | 17 Oct 1988 | 13 Feb 1990 | James River Corporation | Translucent housewrap |
| US4923646 | 8 Nov 1988 | 8 May 1990 | James River Corporation | Method and apparatus for the manufacture of fibrids |
| US5009820 | 5 Mar 1990 | 23 Apr 1991 | E. I. Du Pont de Nemours and Company | Process of making acicular para-aramide particles |
| US5023025 | 27 Feb 1990 | 11 Jun 1991 | E. I. Du Pont de Nemours and Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US5030403 | 7 Mar 1990 | 9 Jul 1991 | PPG Industries, Inc. | Method for making polymeric fibrils |
| US5032326 | 14 Jul 1989 | 16 Jul 1991 | E. I. du Pont de Nemours and Company | Flash-spinning of polymeric plexifilaments |
| US5039460 | 26 Feb 1990 | 13 Aug 1991 | E. I. Du Pont de Nemours and Company | Mixed halocarbon for flash-spinning polyethylene plexifilaments |
| US5043108 | 22 Aug 1989 | 27 Aug 1991 | E. I. Du Pont de Nemours and Company | Process for preparing polyethylene plexifilamentary film-fibril strands |
| US5043109 | 24 Jul 1989 | 27 Aug 1991 | E. I. du Pont de Nemours and Company | Process for flash-spinning dry polymeric plexifilamentary film-fibril strands |
| US5057351 | 8 Nov 1990 | 15 Oct 1991 | E. I. du Pont de Nemours and Company | Metallized polyethylene plexifilamentary film-fibril sheet |
| US5081177 | 19 Feb 1991 | 14 Jan 1992 | E. I. Du Pont de Nemours and Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US5085817 | 23 Jul 1991 | 4 Feb 1992 | E. I. Du Pont de Nemours and Company | Process for preparing a metallized polyethylene plexfilamentary film-fibril sheet |
| US5093060 | 25 Feb 1991 | 3 Mar 1992 | E. I. du Pont de Nemours and Company Du Pont Canada Inc. | Coupled spinning and dewatering process |
| US5116549 | 2 Jan 1991 | 26 May 1992 | E. I. Du Pont de Nemours and Company | Solution flow splitting for improved sheet uniformity |
| US5122412 | 30 Sep 1991 | 16 Jun 1992 | E. I. Du Pont de Nemours and Company | Polyethylene plexifilamentary film-fibril sheet |
| US5147586 | 22 Feb 1991 | 15 Sep 1992 | E. I. Du Pont de Nemours and Company | Flash-spinning polymeric plexifilaments |
| US5171827 | 17 Jan 1991 | 15 Dec 1992 | E. I. Du Pont de Nemours and Company | Particulate acicular para-aramide |
| US5192468 | 19 Apr 1991 | 9 Mar 1993 | E. I. Du Pont de Nemours and Company | Process for flash spinning fiber-forming polymers |
| US5202376 | 2 May 1991 | 13 Apr 1993 | E. I. Du Pont de Nemours and Company | Solutions for flash-spinning dry polymeric plexifilamentary film-fibril strands |
| US5250237 | 11 May 1992 | 5 Oct 1993 | E. I. Du Pont de Nemours and Company | Alcohol-based spin liquids for flash-spinning polymeric plexifilaments |
| US5279776 | 17 Sep 1991 | 18 Jan 1994 | E. I. Du Pont de Nemours and Company | Method for making strong discrete fibers |
| US5286422 | 31 Jul 1992 | 15 Feb 1994 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing three-dimensional fiber using a halogen group solvent |
| US5308598 | 31 Jan 1991 | 3 May 1994 | E. I. Du Pont de Nemours and Company | Plexifilamentary fibers from pitch |
| US5320891 | 31 Dec 1992 | 14 Jun 1994 | Kimberly-Clark Corporation | Particle barrier nonwoven material |
| US5369165 | 3 Feb 1994 | 29 Nov 1994 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyolefin solution using halogen group solvents |
| US5415818 | 1 Nov 1993 | 16 May 1995 | Du Pont Canada Inc. | Flash spinning process for forming strong discontinuous fibres |
| US5512357 | 7 Apr 1993 | 30 Apr 1996 | Asahi Kasei Kogyo Kabushiki Kaisha | Polypropylene flexifilamentary fiber containing 0.1 to 10 weight percent of an organic spreading agent and nonwoven fabric made therefrom |
| US5529734 | 9 Aug 1994 | 25 Jun 1996 | E. I. Du Pont de Nemours and Company | Process for making and collecting continuous fibers in the form of a rod-shaped batt |
| US5547624 | 9 Aug 1994 | 20 Aug 1996 | E. I. Du Pont de Nemours and Company | Process of making and collecting continuous fibers in the form of a rod-shaped batt |
| US5603885 | 6 Jul 1995 | 18 Feb 1997 | E. I. Du Pont de Nemours and Company | Process for the preparation of nonwoven fibrous sheets |
| US5607636 | 28 Apr 1994 | 4 Mar 1997 | Asahi Kasei Kogyo Kabushiki Kaisha | Process of making plexifilamentary fiber |
| US5643525 | 25 Mar 1994 | 1 Jul 1997 | E. I. Du Pont de Nemours and Company | Process for improving electrostatic charging of plexifilaments |
| US5667814 | 21 Nov 1995 | 16 Sep 1997 | E. I. Du Pont de Nemours and Company | Apparatus for making and collecting continuous fibers in the form of a rod-shaped batt |
| US5707580 | 1 May 1996 | 13 Jan 1998 | E. I. du Pont de Nemours and Company | Flash-spinning process |
| US5723084 | 8 Mar 1996 | 3 Mar 1998 | E. I. du Pont de Nemours and Company | Flash spinning process |
| US5786284 | 31 Jan 1997 | 28 Jul 1998 | Unitika, Ltd. | Filament having plexifilamentary structure, nonwoven fabric comprising said filament and their production |
| US5788993 | 6 Jun 1997 | 4 Aug 1998 | E. I. du Pont de Nemours and Company | Spinneret with slotted outlet |
| US5795651 | 11 Mar 1997 | 18 Aug 1998 | Unitika, Ltd. | Filament having plexifilamentary structure, nonwoven fabric comprising said filament and their production |
| US5816700 | 23 Oct 1996 | 6 Oct 1998 | E. I. du Pont de Nemours and Company | Process and apparatus for mechanically mixing polymers and lower viscosity fluids |
| US5833900 | 23 Jul 1996 | 10 Nov 1998 | E. I. du Pont de Nemours and Company | Process for modifying porosity in sheet made from flash spinning olefin polymer |
| US5840234 | 12 Mar 1996 | 24 Nov 1998 | Asahi Kasei Kogyo Kabushiki Kaisha | High-density polyethylene plexifilamentary fiber nonwoven fabric composed of fiber thereof, and manufacturing methods thereof |
| US5863639 | 23 Jul 1996 | 26 Jan 1999 | E. I. du Pont de Nemours and Company | Nonwoven sheet products made from plexifilamentary film fibril webs |
| US5874036 | 30 Jul 1997 | 23 Feb 1999 | E. I. du Pont de Nemours and Company | Flash-spinning process |
| US5925442 | 15 Sep 1997 | 20 Jul 1999 | E. I. du Pont de Nemours and Company | Plexifilament and nonwoven made of alternating ethylene/carbon monoxide copolymer |
| US5971731 | 29 Oct 1997 | 26 Oct 1999 | E. I. du Pont de Nemours and Company | Nose cone for small spin head in flash spinning system |
| US5972147 | 22 Jul 1998 | 26 Oct 1999 | E. I. du Pont de Nemours and Company | Method of making fibrous, bonded polyolefin sheet |
| US5977237 | 25 Aug 1997 | 2 Nov 1999 | E. I. du Pont de Nemours and Company | Flash-spinning solution |
| US6004672 | 30 Jun 1998 | 21 Dec 1999 | E. I. du Pont de Nemours and Company | Fibers flash-spun from blends of polyolefin polymers |
| US6010970 | 5 Mar 1998 | 4 Jan 2000 | E.I. du Pont de Nemours and Company | Flash-spun sheet material |
| US6034008 | 7 Nov 1997 | 7 Mar 2000 | E. I. Du Pont de Nemours and Company | Flash-spun sheet material |
| US6070635 | 17 Apr 1998 | 6 Jun 2000 | E. I. du Pont de Nemours and Company | Nonwoven sheet products made from plexifilamentary film fibril webs |
| US6096421 | 30 Jun 1998 | 1 Aug 2000 | E. I. du Pont de Nemours and Company | Plexifilamentary strand of blended polymers |
| US6136911 | 30 Jun 1998 | 24 Oct 2000 | E.I. du Pont de Nemours and Company | Fibers flash-spun from partially fluorinated polymers |
| US6153134 | 15 Dec 1998 | 28 Nov 2000 | E. I. du Pont de Nemours and Company | Flash spinning process |
| US6179458 | 30 Oct 1997 | 30 Jan 2001 | E. I. du Pont de Nemours and Company | Forming a solution of fluids having low miscibility and large-scale differences in viscosity |
| US6270709 | 15 Dec 1998 | 7 Aug 2001 | E. I. du Pont de Nemours and Company | Flash spinning polymethylpentene process and product |
| US6291566 | 22 Jul 1994 | 18 Sep 2001 | E. I. du Pont de Nemours and Company | Hydrocarbon/co-solvent spin liquids for flash-spinning polymeric plexifilaments |
| US6352773 | 26 Feb 2001 | 5 Mar 2002 | E. I. du Pont de Nemours and Company | Flash spinning polymethylpentene process and product |
| US6455619 | 31 Oct 1995 | 24 Sep 2002 | E. I. duPont de Nemours and Company | Process for improving electrostatic charging of plexifilaments |
| US6458304 | 22 Mar 2000 | 1 Oct 2002 | E. I. du Pont de Nemours and Company | Flash spinning process and solutions of polyester |
| US6562081 | 27 Mar 2001 | 13 May 2003 | Equistar Chemicals, LP | Disperse dyed polyethylene and process |
| US6638470 | 31 Jan 2001 | 28 Oct 2003 | E. I. du Pont de Nemours and Company | Flash-spinning process and solution |
| US6692826 | 30 Apr 2002 | 17 Feb 2004 | E. I. du Pont de Nemours and Company | Plexifilamentary strands of polyester |
| US7118698 | 5 Apr 2004 | 10 Oct 2006 | E. I. du Pont de Nemours and Company | Rotary process for forming uniform material |
| US7208202 | 18 Nov 2005 | 24 Apr 2007 | Precision Fabrics Group, Inc. | Methods of finishing medical barrier fabrics |
| US7338916 | 23 Mar 2005 | 4 Mar 2008 | E.I. du Pont de Nemours and Company | Flash spun sheet material having improved breathability |
| US7511115 | 13 Feb 2007 | 31 Mar 2009 | Korea Institute of Science & Technology | Method of preparing biodegradable polyester polymer material in the form of filament and sheet using compressed gas |
| US7582240 | 1 Apr 2005 | 1 Sep 2009 | E. I. du Pont de Nemours and Company | Rotary process for forming uniform material |
| US7621731 | 13 Feb 2006 | 24 Nov 2009 | E.I. du Pont de Nemours and Company | Rotary process for forming uniform material |
| US7641952 | 13 Feb 2007 | 5 Jan 2010 | E.I. du Pont de Nemours and Company | Durable metallized self-adhesive laminates |
| US7660040 | 7 Feb 2006 | 9 Feb 2010 | E. I. du Pont de Nemours and Company | Diffuse reflective article |
| US7744989 | 19 May 2008 | 29 Jun 2010 | E. I. du Pont de Nemours and Company | Flash-spun sheet material |
| US7745000 | 28 Feb 2008 | 29 Jun 2010 | E. I. du Pont de Nemours and Company | Surface-modified plexifilamentary structures, and compositions therefor |
| US7786034 | 14 Mar 2006 | 31 Aug 2010 | E.I. du Pont de Nemours and Company | Rotary process for forming uniform material |
| US7805907 | 25 Oct 2007 | 5 Oct 2010 | E.I. du Pont de Nemours and Company | Breathable low-emissivity metalized sheets |
| US7896011 | 31 Jul 2007 | 1 Mar 2011 | Philip Morris USA, Inc. | Method of forming a filter component |
| US7984591 | 10 Aug 2007 | 26 Jul 2011 | Fiberweb, Inc. | Impact resistant sheet material |
| US8015972 | 30 Dec 2006 | 13 Sep 2011 | | System, device and process for remotely controlling a medical device |
| US8025124 | 31 Oct 2008 | 27 Sep 2011 | E. I. du Pont de Nemours and Company | Broadband passive distributed tuned vibration and acoustic absorber for modally dense structures |
| US8025985 | 11 Aug 2005 | 27 Sep 2011 | E. I. du Pont de Nemours and Company | Porous metallized sheets coated with an inorganic layer having low emissivity and high moisture vapor permeability |
| US8048513 | 28 Jun 2010 | 1 Nov 2011 | E.I. du Pont de Nemours and Company | Flash-spun sheet material |
| US8114325 | 25 Jul 2008 | 14 Feb 2012 | E.I. du Pont de Nemours and Company | Process for forming uniformly distributed material |