Hopper; Roger J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopper; Roger J..The latest application filed is for "preparation of sulfur-containing organosilicon compounds".
- Hopper; Roger J. - Akron OH
| Patent | Date |
|---|---|
| Preparation of sulfur-containing organosilicon compounds Grant 5,405,985 - Parker , et al. April 11, 1 | 1995-04-11 |
| Process for the solid state (solventless) hydroxylation of vinyl-containing rubbers using a hydroxymercaptan Grant 5,070,150 - Hopper December 3, 1 | 1991-12-03 |
| Modification of rubber with N-chlorothio-sulfonamide Grant 4,820,780 - Hopper April 11, 1 | 1989-04-11 |
| Chlorothio-sulfonamide-modified rubbery terpolymers and their blends Grant 3,970,133 - Hopper July 20, 1 | 1976-07-20 |
| Chlorothio-sulfonamide-modified rubbery terpolymers and their blends Grant 3,915,907 - Hopper October 28, 1 | 1975-10-28 |
| Sulfonamide Additives For Sulfur Vulcanizable Polymers Grant 3,856,762 - Hopper , et al. December 24, 1 | 1974-12-24 |
| Inhibiting Premature Vulcanization Of Rubbers Grant 3,678,017 - Shelton , et al. July 18, 1 | 1972-07-18 |
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