Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294312 | Tonable, photosensitive composition and process for making polychromatic images | Manfred Sondergeld | 2001-09-25 |
| 6168899 | Multiple color proof temporary supports, photopolymerizable materials and pigmented transfer materials | Udo Bode, Manfred Sondergeld, Karl-Heinz Wiedenmann, Ronald J. Convers, Steven Max Kalo +1 more | 2001-01-02 |
| 6083608 | Monochrome and polychrome color proofs with low optical dot growth and a process and means for their preparation | Bernhard Metzger, Ursula Annerose Kraska | 2000-07-04 |
| 5712025 | Monochrome and polychrome color proofs with low optical dot growth and a process and means for their preparation | Bernhard Metzger, Ursula Annerose Kraska | 1998-01-27 |
| 5635284 | Monochrome and polychrome color proofs with low optical dot growth and a process and means for their preparation | Bernhard Metzger, Ursula Annerose Kraska | 1997-06-03 |
| 5587272 | Process for preparing multiple color proofs | Udo Bode, Manfred Sondergeld, Karl-Heinz Wiedenmann, Ronald J. Convers, Steven Max Kalo +1 more | 1996-12-24 |
| 5474719 | Method for forming solid objects utilizing viscosity reducible compositions | Roxy N. Fan, John A. Lawton | 1995-12-12 |
| 5399458 | Process for making images employing a toner which has a tackiness that can be increased by actinic radiation | Dieter Tigler, Bernhard Metzger, Paola Gallo | 1995-03-21 |
| 5286595 | Process for creating a tacky tonable image surface through exposure of a substrate coated with a polymer blend, including a photo-acid generator, to actinic radiation | Walter R. Hertler, Howard E. Simmons, III | 1994-02-15 |
| 5236326 | Solid imaging system using photohardening inhibition | — | 1993-08-17 |
| 5175077 | Solid imaging system using photohardening inhibition | — | 1992-12-29 |
| 5147743 | Process for the preparation of optical color filters | — | 1992-09-15 |
| 5128235 | Method of forming a three-dimensional object comprising additives imparting reduction of shrinkage to photohardenable compositions | Eustathios Vassiliou | 1992-07-07 |
| 4942060 | Solid imaging method utilizing photohardenable compositions of self limiting thickness by phase separation | — | 1990-07-17 |
| 4942066 | Solid imaging method using photohardenable materials of self limiting thickness | Roxy N. Fan | 1990-07-17 |
| 4904555 | Photosensitive composition for making repeatably tonable layers | — | 1990-02-27 |
| 4716095 | Method for reducing color cross-contamination during re-imaging of phototackifiable materials | — | 1987-12-29 |
| 4698293 | Process for forming positive tonable images using a photosensitive material containing at least 1,4-dihydropyridine | — | 1987-10-06 |
| 4604340 | Negative-toning imaging system with re-imaging capability using 4-(2'-nitrophenyl)-1,4-dihydropyridine compounds | — | 1986-08-05 |
| 4604342 | Photopolymerizable mixture and recording material produced from it | Manfred Sondergeld | 1986-08-05 |
| 4595651 | Process for producing equidensity images using photohardenable materials | — | 1986-06-17 |
| 4539287 | Process for improving the printing quality of photohardenable reproduction materials | Dieter Tigler, Hubert Weinert | 1985-09-03 |
| 4361642 | Process for producing photohardenable reproduction materials | — | 1982-11-30 |
| 4271260 | Positive nonsilver washout systems containing dihydropyridines and photooxidants | Werner Abele, Otto Pilz | 1981-06-02 |
| 4243741 | Negative tonable systems containing dihydropyridines and photooxidants | Werner Abele | 1981-01-06 |