Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554797 | Tetra (hydroxphenyl) alkanes | Reinhard Schulz, Norbert M unzel, Wilhelm Knobloch | 1996-09-10 |
| 5523362 | Oligomeric cyanoguanidines | Peter Flury, Sameer H. Eldin | 1996-06-04 |
| 5436098 | Positive photoresists with enhanced resolution and reduced crystallization containing novel tetra(hydroxyphenyl)alkanes | Reinhard Schulz, Norbert Munzel, Wilhelm Knobloch | 1995-07-25 |
| 5432049 | Photochromic composition | Evelyn Fischer, Walter Fischer, Jurgen Finter, Kurt Meier | 1995-07-11 |
| 5424373 | Oligomeric cyanoguanidines hardeners for epoxy resins | Peter Flury, Sameer H. Eldin | 1995-06-13 |
| 5352831 | Oligomeric cyanoguanidines | Peter Flury, Sameer H. Eldin | 1994-10-04 |
| 5310909 | Photochromic compounds, a process for their preparation, and their use | Evelyn Fischer, Walter Fischer, Jurgen Finter, Kurt Meier | 1994-05-10 |
| 5300380 | Process for the production of relief structures using a negative photoresist based on polyphenols and epoxy compounds or vinyl ethers | Kurt Meier | 1994-04-05 |
| 5296330 | Positive photoresists containing quinone diazide photosensitizer, alkali-soluble resin and tetra(hydroxyphenyl) alkane additive | Reinhard Schulz, Norbert Munzel, Wilhelm Knobloch | 1994-03-22 |
| 5247113 | Araliphatic sulfonium and their use | Beat Muller | 1993-09-21 |
| 5162547 | Process for the preparation of glycidyl ethers | Heinz Wolleb, Marc-Andre Truffer | 1992-11-10 |
| 5149767 | Thermosetting mixtures utilizing araliphatic sulfonium salts | Kurt Munk | 1992-09-22 |
| 5079129 | Negative photoresist based on polyphenols and epoxy compounds or vinyl ethers | Kurt Meier | 1992-01-07 |
| 5013814 | Araliphatic sulfonium salts and their use | Beat Muller | 1991-05-07 |
| 5001243 | Substituted naphthacene-5, 12-diones | Walter Fischer, Marcus Baumann, Jurgen Finter, Vratislav Kvita, Carl W. Mayer +1 more | 1991-03-19 |
| 4994346 | Negative photoresist based on polyphenols and selected epoxy or vinyl ether compounds | Kurt Meier, Adrian Schulthess, Heinz Wolleb | 1991-02-19 |
| 4962012 | Process for producing photographic relief images using photopolymerizable compositions containing fluorinated titanocenes | Martin Riediker, Niklaus Buhler, Joseph Berger | 1990-10-09 |
| 4910121 | Photopolymerizable composition containing metallocenes | Martin Riediker, Niklaus Buhler, Joseph Berger | 1990-03-20 |
| 4908423 | Advanced epoxide resins based on cyclohex-1-ylmethylenediphenol derivatives or bicyclo[2.2.1]hept-1-ylmethylenediphenol derivatives | Charles E. Monnier | 1990-03-13 |
| 4888402 | Copolymes formed from N-hydroxyphenylmaleinimide (derivatives) and allyl compounds | Peter Flury, Sameer H. Eldin | 1989-12-19 |
| 4855367 | Orthocarbonates | Peter Flury, Sameer H. Eldin, Claus W. Rabener | 1989-08-08 |
| 4808740 | So-called advanced epoxide resins based on cyclohex-1-ylmethylenediphenol derivatives or bicyclo(2.2.1)hept-1-ylmethylenediphenol derivatives | Charles E. Monnier | 1989-02-28 |
| 4806448 | Cyclic acetals or ketals of 8-keto esters or amides | — | 1989-02-21 |
| 4754003 | Phenol ethers containing epoxide groups | Charles E. Monnier | 1988-06-28 |
| 4737426 | Cyclic acetals or ketals of beta-keto esters or amides | — | 1988-04-12 |