Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424268 | Imaging medium and process | Agota F. Fehervari, Eric S. Kolb, Parag G. Mehta, Lloyd D. Taylor, John C. Warner | 1995-06-13 |
| 5414069 | Electroluminescent polymers, processes for their use, and electroluminescent devices containing these polymers | William J. Cumming, Richard T. Ingwall, Eric S. Kolb, Parag G. Mehta, Richard A. Minns | 1995-05-09 |
| 5380695 | Image-receiving element for thermal dye transfer method | Yunn H. Chiang | 1995-01-10 |
| 5376456 | Electroluminescent devices comprising polymers, and processes for their use | William J. Cumming, Richard T. Ingwall, Eric S. Kolb, Cheryl P. Petersen | 1994-12-27 |
| 5141669 | Liquid crystal compounds having chiral ester head groups | Iris B. K. Bloom, Yunn H. Chiang, William J. Cumming, Richard A. Minns | 1992-08-25 |
| 5132041 | Liquid crystal compounds having ether tail moiety | William J. Cumming, Cynthia McGowan, Richard A. Minns, Alaric Naiman | 1992-07-21 |
| 5132430 | High refractive index polymers | Richard A. Minns, Howard G. Rogers | 1992-07-21 |
| 5024989 | Process and materials for thermal imaging | Yunn H. Chiang | 1991-06-18 |
| 4843141 | Melt-processable aromatic polyesteramide having repeating 2,2'-substituted biphenylene radicals | Howard G. Rogers, Roger F. Sinta | 1989-06-27 |
| 4792597 | Melt-processable polyesteramides having para-linked, substituted-phenylene radicals | Howard G. Rogers, Roger F. Sinta | 1988-12-20 |
| 4628125 | Monomers containing bis(trifluoromethyl)biphenylene radicals | Howard G. Rogers, Richard A. Minns | 1986-12-09 |
| 4608429 | Low-melting aromatic polyesters with repeating 2,2'-substituted-biphenylene radicals | Howard G. Rogers, Richard A. Minns, Roger F. Sinta | 1986-08-26 |
| 4597891 | Liquid crystal compositions and devices and novel compounds | Howard G. Rogers, Cynthia McGowan, Kenneth S. Norland, Ronald J. Sahatjian | 1986-07-01 |
| 4575547 | Low-melting aromatic polyesters of trifluoromethyl terephthalic acid or ester forming derivatives thereof | Howard G. Rogers, Richard A. Minns, Roger F. Sinta | 1986-03-11 |
| 4525413 | Optical device including birefringent polymer | Howard G. Rogers, Ruth C. Bilofsky, Ronald A. Sahatjian | 1985-06-25 |
| 4521588 | Optical device including birefringent polyhydrazide polymer | Howard G. Rogers, Ruth C. Bilofsky, Ronald A. Sahatjian | 1985-06-04 |
| 4520189 | Optical device including birefringent aromatic amino carboxylic acid polymer | Howard G. Rogers, Ruth C. Bilofsky, Ronald A. Sahatjian | 1985-05-28 |
| 4503248 | Substituted-quaterphenylene monomers for the production of polyamides therefrom | Palaiyur S. Kalyanaraman | 1985-03-05 |
| 4461887 | Birefringent polymer containing recurring units from dienoic acid | Howard G. Rogers, Jeannette S. Manello, Ronald A. Sahatjian | 1984-07-24 |
| 4461888 | Substituted birefringent polyhydrazide | Howard G. Rogers, Jeannette S. Manello, Ronald A. Sahatjian | 1984-07-24 |
| 4461886 | Substituted birefringent polyamide | Howard G. Rogers, Jeannette S. Manello, Ronald A. Sahatjian | 1984-07-24 |
| 4446305 | Optical device including birefringent polymer | Howard G. Rogers, Ruth C. Bilofsky, Ronald A. Sahatjian | 1984-05-01 |
| 4433132 | Polyesters containing bis(trifluoromethyl)biphenylene radicals | Howard G. Rogers, Richard A. Minns | 1984-02-21 |
| 4393194 | Substituted-quaterphenylene polyamide | Palaiyur S. Kalyanaraman | 1983-07-12 |
| 4393196 | Polymers containing recurring units from dienoic acid | Howard G. Rogers, Jeannette S. Manello, Ronald A. Sahatjian | 1983-07-12 |