Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048919 | Use of ethyl lactate as an excipient for pharmaceutical compositions | Howard A. Colvin | 2011-11-01 |
| 6066705 | Vapor phase synthesis of cis-1, 4-Polyisoprene | Nissim Calderon, Kenneth F. Castner, Howard A. Colvin | 2000-05-23 |
| 5859156 | Vapor phase synthesis of rubbery polymers | Nissim Calderon, Howard A. Colvin, Kenneth F. Castner | 1999-01-12 |
| 5652304 | Vapor phase synthesis of rubbery polymers | Nissim Calderon, Kenneth F. Castner, Howard A. Colvin | 1997-07-29 |
| 5328179 | Furnish composition | Dane K. Parker, Robert F. Roberts | 1994-07-12 |
| 5328963 | Sulfur vulcanized rubber compounds containing maleamic acid | Paul Harry Sandstrom, Lawson Gibson Wideman | 1994-07-12 |
| 5278242 | Sulfur vulcanized rubber compounds containing oligomeric maleimide | Paul Harry Sandstrom, Lawson Gibson Wideman | 1994-01-11 |
| 5153248 | Sulfur vulcanized rubber compounds containing silica and aromatic bismaleimide | Paul Harry Sandstrom, Lawson Gibson Wideman | 1992-10-06 |
| 5074963 | Furnish composition | Dane K. Parker, Robert F. Roberts | 1991-12-24 |
| 4855362 | Polymer alloy | Howard A. Colvin | 1989-08-08 |
| 4847313 | Gel prevention in polymers | Donald C. Grimm, Jerry J. Dillon, Kirkwood S. Cottman, Calvin A. Bennett | 1989-07-11 |
| 4755627 | Process for the synthesis and purification of diisopropenylbenzene | Howard A. Colvin, Ronald D. Fiedler, Donald E. Smith | 1988-07-05 |
| 4735980 | Methylene bis(alkylsulfides) as antioxidant synergists in rubber | Budd H. Sturm, Joseph A. Kuczkowski | 1988-04-05 |
| 4670609 | Dihydric phenol recovery process | Ronald Quentin Bennett, Donald E. Smith | 1987-06-02 |
| 4538002 | Process for the production of hydroxyanisole and alkylated hydroxyanisoles | Howard A. Colvin, William S. Hollingshead | 1985-08-27 |
| 4528413 | Process for the synthesis and purification of diisopropenylbenzene | Howard A. Colvin, Ronald D. Fiedler, Donald E. Smith | 1985-07-09 |
| 4463198 | Method for the rearrangement of dialkylbenzene dihydroperoxides to dihydric phenols | Edward N. Nowak, William S. Hollingshead | 1984-07-31 |
| 4390741 | Process for the purification of diisopropenylbenzene | Howard A. Colvin | 1983-06-28 |