Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218536 | 1,2-bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions | Glen T. Cunkle, Thomas F. Thompson, Roland A. E. Winter | 2001-04-17 |
| 6117276 | Inhibiting polymerization of vinyl aromatic monomers | Glen T. Cunkle, Thomas F. Thompson, Roland A. E. Winter | 2000-09-12 |
| 5942626 | Process for making 5-thio-substituted benzotriazole UV absorbers | Roland A. E. Winter, Tyler A. Stevenson, Mark S. Holt, Ramanathan Ravichandran | 1999-08-24 |
| 5844025 | 1,2-Bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions | Glen T. Cunkle, Thomas F. Thompson, Roland A. E. Winter | 1998-12-01 |
| 5750765 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Samuel Evans, Matthew E. Gande, Roland A. E. Winter | 1998-05-12 |
| 5670692 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Samuel Evans, Matthew E. Gande, Roland A. E. Winter | 1997-09-23 |
| 5616774 | Inhibition of unsaturated monomers with 7-aryl quinone methides | Samuel Evans, Matthew E. Gande, Peter Nesvadba, Roland A. E. Winter | 1997-04-01 |
| 5607987 | 2-(2-hydroxy-3-.alpha. cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Joseph E. Babiarz, David G. Leppard | 1997-03-04 |
| 5583247 | 7-substituted quinone methides as inhibitors for unsaturated monomers | Peter Nesvadba, Samuel Evans, Matthew E. Gande, Roland A. E. Winter | 1996-12-10 |
| 5574166 | Crystalline form of 2-(2-hydroxy-3-.alpha.-cumyl-5-tert-octylphenyl)-2H-benzotriazole | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Joseph E. Babiarz, David G. Leppard | 1996-11-12 |
| 5563242 | Electro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbers | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Joseph E. Babiarz, David G. Leppard | 1996-10-08 |
| 5554760 | 2-(2-hydroxy-3-.alpha.-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole | Roland A. E. Winter, Ramanathan Ravichandran, Mark S. Holt, Joseph E. Babiarz, David G. Leppard | 1996-09-10 |
| 5545782 | Method for inhibiting premature polymerization of vinyl aromatic monomers | Roland A. E. Winter | 1996-08-13 |
| 5545786 | Method for inhibiting premature polymerization of vinyl aromatic monomers | Roland A. E. Winter | 1996-08-13 |
| 5516914 | Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers | Roland A. E. Winter, Tyler A. Stevenson, Mark S. Holt, Ramanathan Ravichandran | 1996-05-14 |
| 5436349 | Compositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbers | Roland A. E. Winter, Tyler A. Stevenson, Mark S. Holt, Ramanathan Ravichandran | 1995-07-25 |
| 5280124 | 5-sulfonyl-substituted benzotriazole UV-absorbers | Roland A. E. Winter, Tyler A. Stevenson, Mark S. Holt, Ramanathan Ravichandran | 1994-01-18 |
| 5278314 | 5-thio-substituted benzotriazole UV-absorbers | Roland A. E. Winter, Tyler A. Stevenson, Mark S. Holt, Ramanathan Ravichandran | 1994-01-11 |
| 5254760 | Inhibiting polymerization of vinyl aromatic monomers | Roland A. E. Winter, Sheng-Shing Li, Leslie R. Gatechair | 1993-10-19 |