Issued Patents All Time
Showing 276–300 of 311 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153248 | Sulfur vulcanized rubber compounds containing silica and aromatic bismaleimide | Joel Muse, Jr., Lawson Gibson Wideman | 1992-10-06 |
| 5134184 | Rosin monomaleimides | Lawson Gibson Wideman | 1992-07-28 |
| 5118740 | Bis-amide linked rosin acid derivatives | Lawson Gibson Wideman | 1992-06-02 |
| 5075421 | Polymeric diphenyldiamines | Lawson Gibson Wideman | 1991-12-24 |
| 5049607 | Rubber composition comprising alkyl (C.sub.6 -C.sub.22) amides of rosin acid | Lawson Gibson Wideman | 1991-09-17 |
| 5049618 | Vulcanizable rubber compositions containing hydroxy aryl substituted monomaleimides | Lawson Gibson Wideman | 1991-09-17 |
| 5049625 | Polymeric diphenyldiamines | James J. Tazuma, Lawson Gibson Wideman | 1991-09-17 |
| 5039726 | Alkyl (C12-C22) esters of rosin acid | Lawson Gibson Wideman | 1991-08-13 |
| 5021492 | Rubber compositions containing a mixture of alkyl esters of rosin acid | Lawson Gibson Wideman, Thomas Joseph Segatta | 1991-06-04 |
| 5021493 | Rubber composition and tire with component(s) thereof | — | 1991-06-04 |
| 4996295 | Amide linked rosin acid derivatives | Lawson Gibson Wideman | 1991-02-26 |
| 4996258 | Hydroformylated thermal oils | Lawson Gibson Wideman | 1991-02-26 |
| 4960819 | Fast curing rubber blend | Emil M. Friedman | 1990-10-02 |
| 4946879 | Reaction product of a rosin acid and an antidegradant | Lawson Gibson Wideman | 1990-08-07 |
| 4855364 | Secondary vulcanization accelerator | — | 1989-08-08 |
| 4824914 | Vulcanization accelerating diamines | — | 1989-04-25 |
| 4790365 | Tire compounds containing syndiotactic-1,2-polybutadiene | Neil Arthur Maly, Mark Andrew Marinko | 1988-12-13 |
| 4775496 | Reaction product of a rosin acid and an antidegradant | Lawson Gibson Wideman | 1988-10-04 |
| 4605696 | Enhanced adhesion of rubber to reinforcing materials through the use of phenolic esters | David Andrew Benko, Syed K. Mowdood, Walter H. Waddell, Lawson Gibson Wideman | 1986-08-12 |
| 4594389 | Blends of higher .alpha.- olefin polymers and 1,2-epoxide polymers | Joginder Lal | 1986-06-10 |
| 4579911 | Polymer bound nonionic surfactants as cure activators | Richard Michael D'Sidocky, Kirkwood S. Cottman, Joseph F. Geiser, Robert A. Smith | 1986-04-01 |
| 4578411 | Process for making powdered rubber | William Budd | 1986-03-25 |
| 4574140 | Green strength of elastomers | Emil M. Friedman | 1986-03-04 |
| 4502520 | Pneumatic tire having air retention innerliner | — | 1985-03-05 |
| 4491655 | Rubber containing esters of rosin acid | — | 1985-01-01 |