Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927887 | Modified rubber compositions containing aromatic six-membered heterocyclic nitrogen-containing groups | David Tate | 1990-05-22 |
| 4822845 | Rubber compositions modified with heterocyclic di-N-oxides | Hans-Wilhelm Engels | 1989-04-18 |
| 4788229 | Process, modified rubbers and rubber compositions | Georg G. A. Bohm | 1988-11-29 |
| 4778857 | Uncured rubber compositions containing aromatic furazan oxides | Walter R. Hausch | 1988-10-18 |
| 4762870 | Rubber compositions modified with hydroxy-benz-imidazole oxides | Hans-Wilhelm Engels | 1988-08-09 |
| 4761446 | Rubber compositions modified with benzimidazo-linones | Hans-Wilhelm Engels | 1988-08-02 |
| 4751271 | Furazan oxide modified rubbers and rubber compositions containing same | — | 1988-06-14 |
| 4585826 | Natural rubber containing compositions with increased tear strength | — | 1986-04-29 |
| 4570690 | Mixing procedure for obtaining filled rubber vulcanizates containing aromatic furazan oxides | — | 1986-02-18 |
| 4557306 | Carbon black-furazan oxide product and rubber compositions containing same | — | 1985-12-10 |
| 4544537 | Method for purifying cyclic dichlorophosphazene trimer of catalytic impurities | Dennis Snyder | 1985-10-01 |
| 4524052 | Borate chloride polymerization catalysts | — | 1985-06-18 |
| 4465829 | Elastomeric composition comprising natural rubber for use under dynamic, high heat conditions | — | 1984-08-14 |
| 4327063 | Method of purifying cyclic dichlorophosphazenes containing trace amounts of protic impurities | John W. Fieldhouse | 1982-04-27 |
| 4226840 | Process for the polymerization of cyclic polyhalophosphazenes using a catalyst composition of boron trihalide and oxygenated phosphorus compounds | John W. Fieldhouse | 1980-10-07 |
| 4207403 | Oil-free elastomeric poly(aryloxyphosphazene) copolymer foam | Tai C. Cheng, John W. Fieldhouse, Arthur E. Oberster | 1980-06-10 |