Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469126 | Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes | William R. Corcoran, Jr., John D. Summers | 2002-10-22 |
| 6444783 | Melt-processible semicrystalline block copolyimides | John R. Dodd, John A. Kreuz | 2002-09-03 |
| 6348245 | Polymide photo alignment film from 3,3′,4,4′-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays | Melvin P. Zussman, Bernd Fiebranz, Edgar Bohm | 2002-02-19 |
| 6342333 | Photosensitive resin composition, patterning method, and electronic components | Akihiro Sasaki, Noriyoshi Arai, Makoto Kaji, Toshiki Hagiwara | 2002-01-29 |
| 6139926 | Polyimide photo alignment film from 3,3,4,4-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays | Melvin P. Zussman, Bernd Fiebranz, Edgar Bohm | 2000-10-31 |
| 6067139 | Multi-domain STN LCD comprising fluorinated polyimide alignment layers | Edgar Bohm, Akio Osabe, Melvin P. Zussman | 2000-05-23 |
| 5856432 | Polyimide film from pyromellitic dianhydride and a bis (4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays | Edgar Bohm | 1999-01-05 |
| 5759442 | Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hexafluoropropane dianhydride and ortho-substituted aromatic diamines for active matrix liquid crystal displays | Edgar Bohm, Bernd Fiebranz | 1998-06-02 |
| 5731404 | Polyimide film from pyromellitic dianhydride and a bis(4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays | Edgar Bohm | 1998-03-24 |
| 5670609 | Polyimide films from pyromellitic dianhydride and 2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid crystal displays | Edgar Bohm | 1997-09-23 |
| 5520845 | Poly(2,6-piperazinedione) alignment layer for liquid crystal displays | Melvin P. Zussman, Edgar Bohm | 1996-05-28 |
| 5478913 | Melt-processible polyimides with high Tg | Richard J. Boyce, Thomas P. Gannett, James M. Sonnett, Murty S. Tanikella | 1995-12-26 |
| 5324810 | Polyimides based on a 9-aryl-9(perfluoroalkyl)-xanthene-2,3,6,7-dianhydride or 9,9'-bis(perfluoro-alkyl)xanthene-2,3,6,7-dianhydride and benzidine derivatives | — | 1994-06-28 |
| 5322917 | Fluorine-containing diamines polyamides, and polyimides | Andrew Edward Feiring | 1994-06-21 |
| 5286841 | Fluorine-containing diamines, polyamides, and polyimides | Andrew Edward Feiring | 1994-02-15 |
| 5280103 | Perfluoroalkylated amines, and polymers made therefrom | David P. Higley, Kirby V. Scherer, Jr. | 1994-01-18 |
| 5260408 | Low thermal expansion coefficient polyimides with improved elongation | — | 1993-11-09 |
| 5202412 | Polyimide copolymer precursors | John D. Summers | 1993-04-13 |
| 5196549 | Polyethers based on 9,9-bis-perfluoroalkyl-3,6-dihydroxy-xanthene or 9-aryl-9-perfluoroalkyl-3,6-dihydroxy-xanthane | — | 1993-03-23 |
| 5189138 | Compounds, monomers, and polymers based on perfluoroalkyl and perfluoroalkyl-aryl dioxapentacene | Swiatoslaw Trofimenko | 1993-02-23 |
| 5186985 | Liquid crystal displays of high tilt bias angles | William E. Estes, David P. Higley, Andrew Edward Feiring | 1993-02-16 |
| 5177176 | Soluble pseudo rod-like polyimides having low coefficient of thermal expansion | — | 1993-01-05 |
| 5177179 | Perfluoroalkylated diaminomesitylene and polyimides therefrom | David P. Higley, Bruce B. Johnson | 1993-01-05 |
| 5166292 | Process for preparing a polyimide film with a preselected value for CTE | Michael T Pottiger, John C. Coburn, Timothy D. Krizan | 1992-11-24 |
| 5145899 | Polymers modified by ketonic and ether-ketonic compounds | — | 1992-09-08 |