Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981633 | Silica reinforced rubber composition and use in tires | Paul Harry Sandstrom, Roger J. Hopper | 1999-11-09 |
| 5567821 | Bis-(2,5-polythio-1,3,4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles) | Michael Brendan Rodgers, Kevin L. Rollick | 1996-10-22 |
| 5504159 | High molecular weight amine containing antiozonants | Budd H. Sturm, Paul Harry Sandstrom, George Frank Balogh | 1996-04-02 |
| 5451680 | Bis-(2,5-polythio-1,3-4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles) | Michael Brendan Rodgers, Kevin L. Rollick | 1995-09-19 |
| 5371289 | Preparation of N-substituted-N'-phenyl p-phenylenediamines | Kirkwood S. Cottman | 1994-12-06 |
| 5310921 | Bis-(2,5-polythio-1,3,4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles) | Michael Brendan Rodgers, Kevin L. Rollick | 1994-05-10 |
| 5280071 | High molecular weight amine containing antiozonants | Budd H. Sturm, Paul Harry Sandstrom, George Frank Balogh | 1994-01-18 |
| 5093517 | Method for the esterification of thiopropionates | Kirkwood S. Cottman | 1992-03-03 |
| 5069819 | Thioesters and antioxidant compositions containing the same | Budd H. Sturm | 1991-12-03 |
| 5019611 | Non-staining and slightly-staining antiozonants | Kevin L. Rollick, James Gregory Gillick | 1991-05-28 |
| 4737155 | Stabilizers for improving the ozone fastness of dyes with oxadiazine-4-thione or triazine-4-thione compounds | Kevin L. Rollick | 1988-04-12 |
| 4735980 | Methylene bis(alkylsulfides) as antioxidant synergists in rubber | Budd H. Sturm, Joel Muse, Jr. | 1988-04-05 |
| 4707300 | Autosynergistic phenolic antioxidant reaction product | Budd H. Sturm | 1987-11-17 |
| 4663455 | Process for the preparation of N,N'-tetrathiodimorpholine | Angelo Bergomi | 1987-05-05 |
| 4517331 | Activating plasticizer for urethane prepolymers and complex of alkali metal salt with 4,4'-methylenedianiline | Dane K. Parker, Michael E. Kimball | 1985-05-14 |
| 4515713 | Decarboxylation of rosin acids | Lawson Gibson Wideman | 1985-05-07 |
| 4382152 | Process for the conversion of terpenes to cymenes | Lawson Gibson Wideman | 1983-05-03 |
| 4367358 | Method for the production of ethylbenzene | Lawson Gibson Wideman, Lynn A. Bente | 1983-01-04 |
| 4301296 | Antioxidant combination of esters and amines | — | 1981-11-17 |
| 4242224 | Color stabilization of amine antioxidant and antiozonant emulsions | Paul Dean | 1980-12-30 |
| 4241217 | Antioxidant combination of esters and amines | — | 1980-12-23 |