Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487532 | Process for preparing oxymorphone, naltrexone, and buprenorphine | — | 2016-11-08 |
| 9108974 | Process for preparing oxymorphone, naltrexone, and buprenorphine | — | 2015-08-18 |
| 8357802 | Process for preparing oxymorphone | — | 2013-01-22 |
| 8134002 | Process for preparing oxymorphone | — | 2012-03-13 |
| 6013796 | Preparation of naltrexone from codeine and 3-benzylmorphine | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 2000-01-11 |
| 6008355 | Preparation of oxycodone from codeine | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-12-28 |
| 6008354 | Preparation of noroxymorphone from morphine | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-12-28 |
| 5952495 | Preparation of 14-hydroxynormorphinones from normorphinones | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-09-14 |
| 5948788 | Normorphine and normorphinone derivatives | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-09-07 |
| 5922876 | Preparation of oxymorphone from morphine | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-07-13 |
| 5869669 | Preparation of 14-hydroxynormorphinones from normorphinone dienol acylates | Yansong Lu, Ben-Yi Ji, Aris P Christodoulou | 1999-02-09 |
| 5262537 | Derivatives of 4,5,6,7-tetrahydroimidazo-[4,5-c]pyridinyl-6-carboxylic acid | Danging D. Feng, Martin Gall, Suzanne Evans, Vidyadhar Paradkar, Raghunathan V. Nair +1 more | 1993-11-16 |
| RE34201 | N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides and pharmaceutical compositions and methods employing such compounds | Jerome R. Bagley, Nhora L. Lalinde, H. Kenneth Spencer | 1993-03-23 |
| 5053411 | N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides and pharmaceutical compositions and methods employing such compounds | Jerome R. Bagley, Nhora L. Lalinde, H. Kenneth Spencer | 1991-10-01 |
| 4584303 | N-aryl-N-(4-piperidinyl)amides and pharmaceutical compositions and method employing such compounds | Ross C. Terrell, Kirsten H. Deutsche, Linas V. Kudzma, Nhora L. Lalinde | 1986-04-22 |