Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992518 | Polymers obtained by heating allybicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides for between 6 and 60 hours at 150.degree.-300.degree. C. | Andreas Kramer | 1991-02-12 |
| 4861885 | Allylbicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides | Andreas Kramer | 1989-08-29 |
| 4649181 | Glycidyloxy diketones | Charles E. Monnier | 1987-03-10 |
| 4609741 | Phthalic acid derivatives which are substituted by 2-propynyloxy groups, processes for their preparation and their use | Vratislav Kvita, Charles E. Monnier | 1986-09-02 |
| 4562119 | Flexible, printed circuit | Harry Beyeler, Theobald Haug | 1985-12-31 |
| 4503285 | Flexible base materials, their preparation and their use for printed circuits | Theobald Haug, Harry Beyeler | 1985-03-05 |
| 4496794 | Flexible base materials, their preparation and their use for printed circuits | Harry Beyeler, Theobald Haug | 1985-01-29 |
| 4365068 | Crosslinkable bis-imidyl derivatives | Vratislav Kvita, Gerd Greber | 1982-12-21 |
| 4306073 | Silicon-modified bis-phthalic acid derivatives | Siegfried Wyler, Gerd Greber | 1981-12-15 |
| 4280946 | Crosslinkable bis-imidyl derivatives | Vratislav Kvita, Gerd Greber | 1981-07-28 |
| 4261898 | Silicon-modified phthalic acid derivatives | Siegfried Wyler, Gerd Greber | 1981-04-14 |
| 4239880 | Aromatic diamines and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers | — | 1980-12-16 |
| 4233220 | Imidyl-benzene-dicarboxylic and -tricarboxylic acid derivatives | Vratislav Kvita, Gerd Greber | 1980-11-11 |
| 4219481 | Crosslinkable bis-imidyl derivatives | Vratislav Kvita, Gerd Greber | 1980-08-26 |
| 4210588 | Silicon-modified imidyl-phthalic acid derivatives | Siegfried Wyler, Gerd Greber | 1980-07-01 |
| 4200724 | Polymer containing imidyl groups and silyl groups | Siegfried Wyler | 1980-04-29 |
| 4196144 | Aromatic diamines and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers | — | 1980-04-01 |
| 4189560 | Crosslinkable polymers of unsaturated imides | Martin Roth, Josef Pfeifer | 1980-02-19 |
| 4187364 | Crosslinkable polymers of unsaturated imides | Josef Pfeifer, Vratislav Kvita | 1980-02-05 |