Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459274 | Preparation of N-alkyl-N-pyridinyl-1H-indol-1-amines | Keith E. Goehring | 1995-10-17 |
| 5455354 | Method of preparation of physostigmine carbamate derivatives from eseretholes | George S. K. Wong, Franz J. WEIBERTH | 1995-10-03 |
| 5453455 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | David C. Krueger, Donald L. Christman, Andreas Rothacker | 1995-09-26 |
| 5387695 | Process for the chemical resolution of 5-alkoxy-substituted (+)-1,3-dimethyloxindolylethylamines | George S. K. Wong | 1995-02-07 |
| 5349086 | Method for the preparation of 4-phenyl-1,3-benzodiazepins and precursors thereof | George E. Lee | 1994-09-20 |
| 5302721 | Method of preparation of physostigmine carbamate derivatives from eseretholes | George S. K. Wong, Franz J. WEIBERTH | 1994-04-12 |
| 5274117 | Process for the enantioselective synthesis of intermediates used in the preparation of physostigmine | George S. K. Wong | 1993-12-28 |
| 5260347 | Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability | David C. Krueger | 1993-11-09 |
| 5258416 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | David C. Krueger, Donald L. Christman, Andreas Rothacker | 1993-11-02 |
| 5258418 | Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability | David C. Krueger | 1993-11-02 |
| 5248703 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | David C. Krueger, Donald L. Christman, Andreas Rothacker | 1993-09-28 |
| 5155226 | Method for the preparation of 9-amino-1,2,3,4-tetrahydroacridine | Keith E. Goehring | 1992-10-13 |
| 5053513 | Method of reducing a carbonyl containing acridine | George E. Lee, George S. K. Wong, Donna M. Borek, Keith E. Goehring | 1991-10-01 |
| 5047441 | Rigid polyurethane foams prepared from polyvinyl acetate/allyl alcohol polyols, and process for making same | Eric J. Lind, Manfred Genz, Michele Lee | 1991-09-10 |
| 4709093 | Method for the preparation of 4-phenyl-1,3-benzodiazepines and precursors thereof | George E. Lee | 1987-11-24 |
| 4579981 | Process for the preparation of 2-chloro-1,3-dimethoxybenzene | Gregory M. Shutske, Gregory M. Jobin | 1986-04-01 |
| 4496732 | Stereoselective reduction of 2- or 3-substituted 4-piperidones with sodium borohydride | George E. Lee | 1985-01-29 |
| 4461728 | Preparation of 4-phenyl-1,3-benzodiazepins | George E. Lee | 1984-07-24 |
| 4417063 | Process for preparation of 6,11-dihydro-11-oxodibenz[b,e]oxepinacetic acids | George E. Lee, Gregory M. Jobin | 1983-11-22 |
| 4374067 | Intermediates for the preparation of 4-phenyl-1,3-benzodiazepins and methods for preparing the intermediates | George E. Lee | 1983-02-15 |
| 4304941 | Method of preparing poly-substituted acylbenzenes | Gregory M. Jobin | 1981-12-08 |
| 4211877 | Method of preparation of isopropyl 4,10-dihydro-10-oxothieno[3,2-c][1]benzoxepin-8-acetate | — | 1980-07-08 |