Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5391749 | Substituted naphthacene-5,12-diones and their use | Walter Fischer, Marcus Baumann, Jurgen Finter, Carl W. Mayer, Wolfgang Wernet | 1995-02-21 |
| 5220048 | Substituted benzocyclobutenes, a process for their preparation and their use | Marcus Baumann, Walter Fischer, Carl W. Mayer | 1993-06-15 |
| 5112977 | Substituted naphthacene-5,12-diones | Walter Fischer, Marcus Baumann, Jurgen Finter, Carl W. Mayer, Wolfgang Wernet | 1992-05-12 |
| 5011944 | Substituted .alpha.-pyrones | Marcus Baumann, Walter Fischer, Carl W. Mayer, Thomas Allmendinger | 1991-04-30 |
| 5004814 | Substituted .alpha.-pyrones and process for their preparation | — | 1991-04-02 |
| 5001243 | Substituted naphthacene-5, 12-diones | Walter Fischer, Marcus Baumann, Jurgen Finter, Carl W. Mayer, Manfred Rembold +1 more | 1991-03-19 |
| 4981962 | Substituted tetrathiotetracenes and tetraselenotetracenes | Marcus Baumann, Walter Fischer, Carl W. Mayer, Wolfgang Wernet | 1991-01-01 |
| 4762926 | Process for the preparation of the 2-substituted-5-vinylpyrimidines | Jurgen Kaschig | 1988-08-09 |
| 4617151 | 2- or 2,3-substituted 5,6,11,12-tetrathiotetracene and 5,6,11,12-tetraselenotetracene | Carl W. Mayer, Josef Pfeifer | 1986-10-14 |
| 4609741 | Phthalic acid derivatives which are substituted by 2-propynyloxy groups, processes for their preparation and their use | Roland Darms, Charles E. Monnier | 1986-09-02 |
| 4594400 | Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functional groups and polymers prepared therefrom and having thioxanthone radicals as side chains | Hans Zweifel, Martin Roth, Louis Felder | 1986-06-10 |
| 4582881 | 2-substituted 5-vinylpyrimidines, polymer obtainable therefrom and preparation thereof | Jurgen Kaschig | 1986-04-15 |
| 4505794 | Thioxanthonecarboxylic acid esters, thioesters and amides | Hans Zweifel, Martin Roth, Louis Felder | 1985-03-19 |
| 4506083 | Thioxanthonecarboxylic acid esters, thioesters and amides | Hans Zweifel, Martin Roth, Louis Felder | 1985-03-19 |
| 4480105 | 3,5-Disubstituted phthalic acids and phthalic anhydrides | Walter Fischer, Hans Zweifel | 1984-10-30 |
| 4476305 | 2-Substituted 5-vinylpyrimidines, polymers obtainable therefrom and preparation thereof | Jurgen Kaschig | 1984-10-09 |
| 4385182 | Thioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivatives | Walter Fischer, Hans Zweifel, Louis Felder | 1983-05-24 |
| 4367324 | Photocrosslinkable polymers with thioxanthone and imidyl groupings in side chains | Hans Zweifel, Joseph Berger, Martin Roth | 1983-01-04 |
| 4365068 | Crosslinkable bis-imidyl derivatives | Roland Darms, Gerd Greber | 1982-12-21 |
| 4363917 | 3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides | Walter Fischer, Hans Zweifel | 1982-12-14 |
| 4348530 | Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups | Hans Zweifel, Martin Roth, Louis Felder | 1982-09-07 |
| 4280946 | Crosslinkable bis-imidyl derivatives | Roland Darms, Gerd Greber | 1981-07-28 |
| 4250096 | 3- and 4-Azidophthalic acid derivatives | Hans Zweifel, Gerd Greber | 1981-02-10 |
| 4247660 | Photo-crosslinkable polymers having azidophthalimidyl side groups | Hans Zweifel, Joseph Berger | 1981-01-27 |
| 4233220 | Imidyl-benzene-dicarboxylic and -tricarboxylic acid derivatives | Roland Darms, Gerd Greber | 1980-11-11 |