Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229254 | Positive-working radiation-sensitive mixtures, and radiation-sensitive recording materials produced with these mixtures | Gerhard Lohaus, Walter Spiess | 1993-07-20 |
| 5227276 | Negative-working radiation-sensitive mixture, and radiation-sensitive recording material produced with this mixture | Horst Roeschert, Juergen Fuchs | 1993-07-13 |
| 5217843 | Positive radiation-sensitive mixture, and radiation-sensitive recording material produced therefrom for high-energy radiation | Ralph R. Dammel, Juergen Lingnau, Juergen Theis | 1993-06-08 |
| 5216158 | Oxadiazole compounds containing 4,6-bis-trichloromethyl-S-triazin-2-yl groups, process for their preparation | Fritz Erdmann, Heidrun Lutz | 1993-06-01 |
| 5198322 | Positively operating radiation-sensitive mixture containing a polyfunctional .alpha.-diazo-.beta.-keto ester and radiation-sensitive recording material containing this mixture | Peter Wilharm, Hans-Joachim Merrem, Ralph R. Dammel | 1993-03-30 |
| 5191069 | Polyfunctional compounds containing .alpha.-diazo-.beta.-keto ester units and sulfonate units | Horst Roeschert, Hans-Joachim Merrem, Ralph R. Dammel | 1993-03-02 |
| 5064959 | Aromatic compounds substituted by 4,6-bis(trichloromethyl)-s-triazin-2-yl groups | Fritz Erdmann, Heidrun Lutz | 1991-11-12 |
| 5055579 | Heterocyclic compounds containing 4,6-bis-trichloromethyl-s-triazin-2-ly groups | Heidrun Lutz | 1991-10-08 |
| 5045429 | Light-sensitive photopolymerizable and diazonium resin containing composition and recording material including reaction product of anhydride with carboxylic acid and vinyl alcohol | Gerhard Mack | 1991-09-03 |
| 4996301 | Polyfunctional .alpha.-diazo-.beta.-keto esters and their use in light-sensitive compositions | Peter Wilharm, Hans-Joachim Merrem | 1991-02-26 |
| 4956261 | Photosensitive diazo and photopolymerizable recording material with a photosensitive diazo intermediate layer | Peter Lehmann | 1990-09-11 |
| 4940646 | Polyvinyl acetal with hydroxy aliphatic acetal groups useful in photosensitive negative working compositions | — | 1990-07-10 |
| 4859562 | Photosensitive mixture and photosensitive recording material produced therefrom with polymeric compound which is reaction product of unsaturated (thio)phosphinic acid iso(thio)cyanate and active hydrogen containing compound | Hans-Jerg Kleiner, Thomas Gerdau | 1989-08-22 |
| 4859795 | Ethylenically unsaturated phosphinic acid and thiophosphinic acid isocyanates and isothiocyanates, and a process for their preparation | Thomas Gerdau, Hans-Jerg Kleiner | 1989-08-22 |
| 4840868 | Photosensitive composition based on a diazonium salt polycondensation product with an ester polymer binder having urethane group | Guenter Hultsch, Gerhard Mack | 1989-06-20 |
| 4839254 | Photosensitive mixture and photosensitive recording material produced therefrom with polymeric binder which is reaction product of (thio) phosphinic acidiso (thio) cyanate and active hydrogen containing polymer | Hans-Jerg Kleiner | 1989-06-13 |
| 4828959 | Light-sensitive diazonium resin mixture and light-sensitive diazonium resin containing recording material with organic peroxide compound | Dieter Mohr, Guenter Jung | 1989-05-09 |
| 4777142 | Novel 1,3,4-tri-(het-)aryl-isoquinolines, process for their preparation and their use as photoconductive compounds | — | 1988-10-11 |
| 4760006 | 2,3-bis(dialkylaminophenyl)quinoxalines and their use in electrophotographic recording materials | — | 1988-07-26 |
| 4631245 | Photosensitive composition admixture of a diazonium salt polycondensation product and polymeric binder with carboxyl side chain groups | — | 1986-12-23 |