Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453515 | Benzophenone iminodiimides and heat-stable polymers derived therefrom | Heinrich Gruber, Afschin Hassanein | 1995-09-26 |
| 5288876 | Benzophenone iminodiimides and heat-stable polymers derived therefrom | Heinrich Gruber, Afschin Hassanein | 1994-02-22 |
| 5194545 | Bismaleimides and polyimides prepared therefrom | Heinz Horacek | 1993-03-16 |
| 5164476 | Soluble and/or fusible polyimides and polyamidoimides | Heinrich Gruber, Marcel Sychra | 1992-11-17 |
| 5130444 | Bismaleimides and their use in preparing polyimides | Heinz Horacek | 1992-07-14 |
| 5126462 | Sulfur-containing aromatic tetracarboxylic acids and derivatives thereof | Heinrich Gruber, Marcel Sychra | 1992-06-30 |
| 5118765 | Soluble and/or fusible polyamidoimide-polyimide block copolymers | Heinrich Gruber, Wolfgang Wimmer | 1992-06-02 |
| 4365068 | Crosslinkable bis-imidyl derivatives | Roland Darms, Vratislav Kvita | 1982-12-21 |
| 4306073 | Silicon-modified bis-phthalic acid derivatives | Roland Darms, Siegfried Wyler | 1981-12-15 |
| 4280946 | Crosslinkable bis-imidyl derivatives | Roland Darms, Vratislav Kvita | 1981-07-28 |
| 4261898 | Silicon-modified phthalic acid derivatives | Roland Darms, Siegfried Wyler | 1981-04-14 |
| 4250096 | 3- and 4-Azidophthalic acid derivatives | Vratislav Kvita, Hans Zweifel | 1981-02-10 |
| 4233220 | Imidyl-benzene-dicarboxylic and -tricarboxylic acid derivatives | Vratislav Kvita, Roland Darms | 1980-11-11 |
| 4219481 | Crosslinkable bis-imidyl derivatives | Roland Darms, Vratislav Kvita | 1980-08-26 |
| 4211705 | Imidyl-benzenedicarboxylic acid derivatives | Martin Roth, Vratislav Kvita | 1980-07-08 |
| 4210578 | 4-Siloxy derivatives of polyalkylated piperidines | Jean Rody, Helmut Muller | 1980-07-01 |
| 4210588 | Silicon-modified imidyl-phthalic acid derivatives | Roland Darms, Siegfried Wyler | 1980-07-01 |