Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672426 | high barrier transparent films | Subhash Makhija, M. Ishaq Haider, Michael Jaffe | 1997-09-30 |
| 5290884 | Blends of polybenzimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages | Gordon Calundann, Friedrich Herold, Tai-Shung Chung | 1994-03-01 |
| 5277981 | Thermo-oxidatively stabilized polybenzimidazole-containing articles | M. Ishaq Haider | 1994-01-11 |
| 5256760 | Condensation copolymers with sequenced mer structure | Michael Jaffe, Marie Borzo, Eui W. Choe, M. Ishaq Haider, Subhash Makhija | 1993-10-26 |
| 5250633 | Fibers and fibrets from blends of polybezimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkages | Gordon Calundann, Tai-Shung Chung | 1993-10-05 |
| 4898924 | Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films | Edward R. Kafchinski | 1990-02-06 |
| 4606875 | Process for preparing shaped articles of rigid rod heterocyclic liquid crystalline polymers | Thaddeus E. Helminiak | 1986-08-19 |
| 4554119 | Process for heat treating shaped articles of poly {[benzo(1,2-d:4,5-d')bisthiazole-2,6-diyl]-1,4-phenylene}, its cis isomer or mixtures thereof | — | 1985-11-19 |
| 4487735 | Process for preparing film of poly{[benzo(1,2-d:4,5-d')bisthiazole-2,6-diyl]-1,4-phenylene}, its cis isomer or mixtures thereof | Ronald Kafchinski | 1984-12-11 |
| 4321182 | Stable non-corrosive solution of polybenzimidazole suitable for use in the formation of shaped articles | Robert E. Davitt, Jr., Gordon Calundann | 1982-03-23 |