Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098987 | Crosslinkable rigid-rod benzobisazole polymer | Fred E. Arnold | 1992-03-24 |
| 5098988 | Crosslinkable rigid-rod benzobisazole copolymer | Fred E. Arnold | 1992-03-24 |
| 5003035 | Crosslinkable rigid-rod benzobisazole copolymer | Fred E. Arnold | 1991-03-26 |
| 5001217 | Crosslinkable rigid-rod benzobisazole polymers | Fred E. Arnold | 1991-03-19 |
| 4892921 | Pendant benzazole rigid-rod aromatic benzoxazole | Fred E. Arnold | 1990-01-09 |
| 4835246 | Pendant benzazole rigid-rod aromatic heterocyclic polymer | Fred E. Arnold | 1989-05-30 |
| 4785115 | Benzazole substituted terephthalic acid monomers | Fred E. Arnold | 1988-11-15 |
| 4762908 | Polybenzoxazole from aryloxy-2,6-naphthalicdiacid | Fred E. Arnold | 1988-08-09 |
| 4723013 | Aryloxy-2,6-naphthalicdiacid compositions and products produced thereby | Fred E. Arnold | 1988-02-02 |
| 4709006 | Polybenzobisthiazole from aryloxy naphthalic diacid | Fred E. Arnold | 1987-11-24 |
| 4578432 | Method for making heterocyclic block copolymer | Fred E. Arnold | 1986-03-25 |
| 4578434 | Method for making heterocyclic block copolymer | Fred E. Arnold | 1986-03-25 |
| 4578435 | Method for making heterocyclic block copolymer | Fred E. Arnold | 1986-03-25 |
| 4559404 | Preparation of ethynyl substituted 2-phenylbenzothiazoles | Fred E. Arnold | 1985-12-17 |
| 4544713 | Method for making heterocyclic block copolymer | Fred E. Arnold | 1985-10-01 |
| 4518759 | Synthesis of arylene siloxanylene polymers and copolymers | Harold Rosenberg | 1985-05-21 |
| 4442293 | Di-acetylenyl-substituted 2-phenylbenzothiazoles | Fred E. Arnold | 1984-04-10 |
| 4436886 | 2-Phenylbanzothiazole polymers | Fred E. Arnold | 1984-03-13 |
| 4382144 | Synthesis of arylene bis-silanols | Harold Rosenberg | 1983-05-03 |
| 4366323 | Polymerization of arylene bis-silanols | Harold Rosenberg | 1982-12-28 |