Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8232397 | Processes for the production of buprenorphine with reduced impurity formation | Brenda Allen, Esa T. Jarvi, James R. Meyer, Keith G. Tomazi, Anthony Mannino +1 more | 2012-07-31 |
| 8232398 | Recycling process for increasing the yield of opiate alkaloid derivatives | — | 2012-07-31 |
| 7750187 | Crystallization method for benzphetamine | Keith G. Tomazi | 2010-07-06 |
| 7456318 | Process for preparing benzylated amines | — | 2008-11-25 |
| 6706670 | Water soluble metal working fluids | Yueting Chou, Timothy K. Hirzel, David C. Silverman, Jacob S. Tou, Winsor Cho | 2004-03-16 |
| 6238621 | Corrosion inhibiting compositions | Yueting Chou, David C. Silverman | 2001-05-29 |
| 6228245 | Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates | Melvin R. Bagley, Monica C. Dutton | 2001-05-08 |
| 6200499 | Compositions for corrosion inhibition of ferrous metals | David C. Silverman | 2001-03-13 |
| 6020520 | Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates | Monica C. Dutton, Melvin R. Bagley | 2000-02-01 |
| 5981761 | Crosslinked polyaspartate salts a process for their production | Yueting Chou, David A. Martin | 1999-11-09 |
| 5616544 | Water soluble metal working fluids | Skippy H. Ramsey, Larry A. Spickard | 1997-04-01 |
| 5540927 | Microencapsulation process by coacervation | Mark E. Jason | 1996-07-30 |
| 5525703 | Crosslinked polyaspartic acid and salts | — | 1996-06-11 |
| 5470942 | Preparation of anhydropolyamino acids | Gregory C. Alexander, Mark E. Jason | 1995-11-28 |
| 5443651 | Process for metal cleaning | David C. Silverman | 1995-08-22 |
| 5401428 | Water soluble metal working fluids | Larry A. Spickard, Skippy H. Ramsey | 1995-03-28 |
| 5364964 | Process for preparing 1,2,3,4-butanetetracarboxylic acid | Eduardo A. Casanova | 1994-11-15 |
| 5329020 | Preparation of polysuccinimide | David A. Martin | 1994-07-12 |
| 5298653 | Process for preparing 1,2,3,4-butanetetracarboxylic acid | Eduardo A. Casanova | 1994-03-29 |
| 5248396 | Process for preparing butanetetracarboxylic acid | Eduardo A. Casanova, John H. Wagenknecht | 1993-09-28 |
| 5120459 | Perfluorinated polyethers and process for their preparation | John S. McConaghy, Jr., Paul W. Foerst, Paul H. Liu, Frank R. Feher, Jr. | 1992-06-09 |
| 5076949 | Novel perfluorinated polyethers and process for their preparation | John S. McConaghy, Jr., Paul W. Foerst, Paul H. Liu, Frank R. Feher, Jr. | 1991-12-31 |
| 4996369 | Novel perfluorinated polyethers and process for their preparation | John S. McConaghy, Jr., Paul W. Foerst, Paul H. Liu, Frank R. Feher, Jr. | 1991-02-26 |
| 4971724 | Process for corrosion inhibition of ferrous metals | David C. Silverman | 1990-11-20 |
| 4871109 | Vapor phase soldering using certain perfluorinated polyethers | John S. McConaghy, Jr., David O. Fisher, Ronald E. Zielinski | 1989-10-03 |