Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274173 | Process for the production of poly(4-acetoxystyrene) | Bakulesh N. Shah, Dung Q. Tran | 1993-12-28 |
| 5274174 | Process for the production of poly(4-hydroxystyrene) | Bakulesh N. Shah, Dung Q. Tran | 1993-12-28 |
| 5274175 | Process for the preparation of 4-acetoxyphenylmethyl carbinol | Bakulesh N. Shah, Dung Q. Tran | 1993-12-28 |
| 5245074 | Process for the production of 4-acetoxystyrene, its polymers and hydrolysis products | Bakulesh N. Shah, Dung Q. Tran | 1993-09-14 |
| 5151546 | Process for the production of 4-acetoxystyrene, its polymers and hydrolysis products | Bakulesh N. Shah, Dung Q. Tran | 1992-09-29 |
| 5136083 | Process for the purification of 4-acetoxystyrene | Jack Chosnek, George E. Beck, Siegbert Rittner, Volker Hautzel | 1992-08-04 |
| 5084533 | Neat (solventless) hydrogenation of 4-acetoxyacetophenone in the production of 4-acetoxystyrene and its polymers and hydrolysis products | Bakulesh N. Shah | 1992-01-28 |
| 4912173 | Hydrolysis of poly(acetoxystyrene) in aqueous suspension | Dung Q. Tran | 1990-03-27 |
| 4877502 | Poly(epoxide) coatings containing a mannich base of a hydroxystyrene containing polymer | Darrell D. Hicks | 1989-10-31 |
| 4872960 | Protective coatings of a cured hydroxystyrene mannich base and blocked polyisocyantes | Darrell D. Hicks | 1989-10-10 |
| 4847327 | Surface or electrically active copolymers of poly(4-substituted styrene/N-substituted maleimide) | Raymond W. Rupp, Richard Vicari | 1989-07-11 |
| 4822862 | Emulsion polymerization of 4-acetoxystyrene and hydrolysis to poly(p-vinylphenol | Raymond W. Rupp | 1989-04-18 |
| 4663485 | Process for purifying 4-hydroxyacetophenone | Carl D. Murphy, Daniel D. Lindley | 1987-05-05 |