Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996214 | Quinolinyl substituted phenyl/thioalkanoic acid substituted propionic acids and leucotriene antagonist use thereof | Russell Donovan Cousins, James S. Frazee, Ralph F. Hall | 1991-02-26 |
| 4954513 | Leukotriene antagonists | Ralph F. Hall, Joanne M. Smallheer | 1990-09-04 |
| 4939279 | Leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku, Carl D. Perchonock | 1990-07-03 |
| 4937253 | Ester prodrugs | Ralph F. Hall, John F. Newton, Kathleen A. Phipps, Joanne M. Smallheer | 1990-06-26 |
| 4874792 | Thiophenyl Alkanoic acids useful as leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku, Carl D. Perchonock | 1989-10-17 |
| 4871771 | Leukotriene antagonists | Sylvia T. Hoffstein, Charles M. Kinzig, Seymour Mong, Henry M. Sarau | 1989-10-03 |
| 4820719 | Leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku, Carl D. Perchonock | 1989-04-11 |
| 4775662 | Leukotriene antagonists | Thomas Wen-Fu Ku | 1988-10-04 |
| 4730005 | Leukotriene antagonist | Carl D. Perchonock | 1988-03-08 |
| 4552893 | Leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku | 1985-11-12 |
| 4533747 | Leukotriene antagonists intermediates | Ralph F. Hall, Thomas Wen-Fu Ku | 1985-08-06 |
| 4440939 | Process for the preparation of esters of leukotriene A | Charles M. Kinzig, Deborah L. Bryan | 1984-04-03 |
| 4387239 | Process for the preparation of esters of leukotriene A | Charles M. Kinzig, Deborah L. Bryan | 1983-06-07 |
| 4352757 | Process for the preparation of esters of leukotriene A | Charles M. Kinzig, Deborah L. Bryan | 1982-10-05 |
| 4350685 | Antiallergic imidodisulfamides | Faida E. Ali | 1982-09-21 |
| 4350698 | Antiallergic imidosulfamides | David T. Hill | 1982-09-21 |
| 4317826 | N,N'-Bis[substituted-1,2,3,4 tetrahydroisoquinolyl]disulfonylimides and antiallergic compositions and method of use | — | 1982-03-02 |
| 4257947 | 3-Amino-2-hydroxy, halo or mercaptomethyl-4-oxoazetidines | Kenneth G. Holden, William F. Huffman | 1981-03-24 |
| 4236001 | 7.beta.-Acyloxy-3-heterocyclicthiomethyl cephalosporins | — | 1980-11-25 |
| 4218564 | 7.beta.-Hydroxy-3-heterocyclicthio-methyl cephalosporin intermediates | — | 1980-08-19 |
| 4200572 | Substituted azetidinones | Kenneth G. Holden, William F. Huffman | 1980-04-29 |
| 4187375 | Process for preparing oxazine ring compounds | Thomas F. Buckley, III | 1980-02-05 |