Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332530 | Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells | Joachim Kiefer, Oemer Uensal | 2008-02-19 |
| 7235320 | Proton-conducting membrane and use thereof | Michael J. Sansone, Oemer Uensal, Joachim Kiefer | 2007-06-26 |
| 6107447 | Cholesteric phase-forming polymers, process for their preparation and their use | Willi Kreuder, Axel Schonfeld | 2000-08-22 |
| 5703199 | Process for the preparation of nitrogen-containing polymers | Andree Henze | 1997-12-30 |
| 5290884 | Blends of polybenzimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages | Friedrich Herold, Edward C. Chenevey, Tai-Shung Chung | 1994-03-01 |
| 5250633 | Fibers and fibrets from blends of polybezimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages | Edward C. Chenevey, Tai-Shung Chung | 1993-10-05 |
| 5171823 | Melt processable thermotropic wholly aromatic polyester containing 6-hydroxy-2-naphthoic acid moieties | Larry F. Charbonneau | 1992-12-15 |
| 5164478 | Process for producing polyarylate having low color | Cherylyn Lee, Larry F. Charbonneau | 1992-11-17 |
| 5140093 | Melt-processable thermotropic polyesters having fluorine containing linking groups | Balaram Gupta, Larry F. Charbonneau, Tai-Shung Chung | 1992-08-18 |
| 5109101 | Process for making polyarylate compositions having improved properties | Balaram Gupta | 1992-04-28 |
| 5091087 | Fabrication of microporous PBI membranes with narrow pore size distribution | Tai-Shung Chung | 1992-02-25 |
| 5023314 | Novel polyarylate compositions having improved properties | Balaram Gupta | 1991-06-11 |
| 4997603 | Process for formation of halogenated polymeric microporous membranes having improved strength properties | Edward R. Kafchinski, Herman Leslie Lanieve, Tai-Shung Chung | 1991-03-05 |
| 4963633 | Bisacrylate monomers and polymers exhibiting nonlinear optical response | Ronald N. DeMartino, Anthony J. East | 1990-10-16 |
| 4957655 | Copolymeric nonlinear optical media | Garo Khanarian, Donald Raskin, Alan Buckley, Anthony J. East | 1990-09-18 |
| 4929696 | Bisacrylate monomers and polymers exhibiting nonlinear optical response | Ronald N. DeMartino, Anthony J. East | 1990-05-29 |
| 4922003 | Bisacrylate monomers and polymers exhibiting nonlinear optical response | Ronald N. DeMartino, Anthony J. East | 1990-05-01 |
| 4910106 | Formation of halogenated polymeric microporous membranes having improved strength properties | Edward R. Kafchinski, Herman Leslie Lanieve, Tai-Shung Chung | 1990-03-20 |
| 4868274 | Polyanhydride from carboxy aryloxy alkanoic acid | Balaram Gupta | 1989-09-19 |
| 4746694 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 2,6-dioxynaphthalene moiety, and terephthaloyl moiety | Larry F. Charbonneau, Brian Benicewicz | 1988-05-24 |
| 4654412 | Linear, melt processable, crosslinkable, thermotropic wholly aromatic polyesters and crosslinked polymers prepared therefrom | Husam A. A. Rasoul, Henry K. Hall, Jr. | 1987-03-31 |
| 4522974 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety-4-benzoyl moiety, 1,4-dioxyphenylene moiety, isophthaloyl moiety and terephthaloyl moiety | Larry F. Charbonneau, Brian Benicewicz | 1985-06-11 |
| 4473682 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 4,4'-dioxybiphenyl moiety, and terephthaloyl moiety | Larry F. Charbonneau, Brian Benicewicz | 1984-09-25 |
| 4434262 | Melt processable blend of a low molecular weight liquid crystalline compound and a polyolefin or polyester | Alan Buckley, Anthony B. Conciatori | 1984-02-28 |
| 4431770 | Wholly aromatic polyester comprising 4-oxy-4'-carboxybiphenyl moiety which is capable of forming an anisotropic melt phase | Anthony J. East | 1984-02-14 |