Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236181 | Olefin polymerization catalyst | Vladimir Marin, Ahmed Hintolay | 2022-02-01 |
| 9738736 | Combined internal donor system for Ziegler-Natta polyolefin catalysts and methods of making and using same | Vladimir Marin, Ahmed Hintolay, Main Chang, Binh T. Nguyen | 2017-08-22 |
| 9714302 | Process for preparing spherical polymerization catalyst components for use in olefin polymerizations | Kayo Umezawa-Vizzini, Vladimir Marin, Michael Spencer, Ahmed Hintolay | 2017-07-25 |
| 8685879 | Emulsion process for improved large spherical polypropylene catalysts | Michael Spencer | 2014-04-01 |
| 5596104 | Preparation of 3,4,6-trifluorophthalic acid | William S. Derwin, Henry Lin, Deanne M. Nowak | 1997-01-21 |
| 5233085 | Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic acid | William S. Derwin, Henry Lin | 1993-08-03 |
| 5086188 | Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride | Lawrence B. Fertel, Henry Lin | 1992-02-04 |
| 5059697 | Preparation of halogenated phthalic anhydrides | Lawrence B. Fertel, Henry Lin | 1991-10-22 |
| 4981999 | Selective removal of chlorine from chlorophthalic compounds | William S. Derwin, Henry Lin | 1991-01-01 |
| 4960938 | Preparing 2-chlorobenzylamine from 2-chlorobenzylchloride via 2-chlorobenzylphthalimide | Stanley A. Sojka, Henry Lin | 1990-10-02 |
| 4954639 | Single pot process for making a fluoroanthranilic acid | Lawrence B. Fertel | 1990-09-04 |
| 4937377 | Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid | Lawrence B. Fertel | 1990-06-26 |
| 4935541 | Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride | William S. Derwin, Henry Lin | 1990-06-19 |
| 4912221 | Chiral 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid and precursors and preparation thereof | Henry Lin | 1990-03-27 |
| 4874876 | Process for the preparation of 2-(2-thienyl)-ethylamine and derivatives thereof | Henry Lin | 1989-10-17 |