Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831110 | Rigid, dimensionally stable polyurethane foams and a process for the production of such foams in which the foam pressure is reduced | Kerry Ingold | 2004-12-14 |
| 5605961 | Thermoplastic composition containing polyurethane and polypropylene | Bin Lee, H. Pielartzik, Robert J. Kumpf, Clifford J. Lau, Jeffrey S. Wiggins | 1997-02-25 |
| 5414054 | Copolycarbonate having improved low-temperature impact strength | Erik H. Jonsson, Rick L. Archey, Robert J. Kumpf, Aaron D. Meltzer, Harald Pielartzik | 1995-05-09 |
| 4965158 | Toner compositions with modified charge enhancing additives | Robert J. Gruber, Paul C. Julien, Steven B. Bolte, John F. Knapp | 1990-10-23 |
| 4879199 | Process for preparing encapsulated color toner compositions | Robert J. Gruber, Paul C. Julien, John F. Knapp, Steven B. Bolte | 1989-11-07 |
| 4876169 | Toner compositions with release additives therein | Robert J. Gruber, Shadi L. Malhotra, Robert A. Nelson, Carol A. Fox, Thomas R. Hoffend | 1989-10-24 |
| 4814253 | Toner compositions with release agents therein | Robert J. Gruber, Shadi L. Malhotra, John G. VanDusen | 1989-03-21 |
| 4672018 | Flash fusing process with prespheroidized toner | John S. Berkes, Ronald J. Koch | 1987-06-09 |
| 4663409 | Alpha, beta-unsaturated carbonyl modified amino acid monomer and polymers for biomedical uses | Gary D. Friends, Richard C. Chromecek | 1987-05-05 |
| 4604338 | Positively charged colored toner compositions | Robert J. Gruber, Ronald J. Koch | 1986-08-05 |
| 4537848 | Positively charged toner compositions containing phosphonium charge enhancing additives | Debesh Majumdar, Robert J. Gruber | 1985-08-27 |
| 4493883 | Electrophotographic toner compositions containing novel imide charge control _additives | Robert J. Gruber, Doretta Agostine, Paul C. Julien | 1985-01-15 |
| 4482620 | Method of fusing toner compositions containing pyridinium tetrafluoroborates | Robert J. Gruber, Paul C. Julien | 1984-11-13 |
| 4464452 | Developer compositions containing diaryl sulfonimides | Robert J. Gruber, Paul C. Julien | 1984-08-07 |
| 4454214 | Toner compositions containing pyridinium tetrafluoroborates | Robert J. Gruber, Paul C. Julien | 1984-06-12 |
| 4440919 | Low N-vinyl lactam content based biomedical devices | Richard C. Chromecek, Gary D. Friends, Lawrence Y. Wissman | 1984-04-03 |
| 4436887 | N-Vinyl lactam based biomedical devices | Richard C. Chromecek, Gary D. Friends, Lawrence Y. Wissman | 1984-03-13 |