Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252538 | (2-imidazolin-2-yl) fused heteropyridine compounds, intermediates for the preparation of and use of said compounds as herbicidal agents | Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson +4 more | 1993-10-12 |
| 5219857 | Method of treating cognitive and related neural behavioral problems | Herbert J. Brabander, Joseph W. Epstein | 1993-06-15 |
| 5169850 | N-(dialkylamino)methylene)-substituted pyrazolo(1,5-a)-pyrimidine-3-carboxamides and N-(dialkylamino)methylene-substituted-4,5-dihydropyrazolo-(1,5-a)-pyrimi dine-3-carboxamides | John P. Dusza | 1992-12-08 |
| 5126340 | 4-[(substituted)alkylcarbonyl]-4,5-dihydro and -4,5,6,7-tetrahydro-7-[(substituted)-phenyl]pyrazolo[1,5-a]pyrimidine-3- carbonitriles | Herbert J. Brabander, Joseph W. Epstein | 1992-06-30 |
| 5059691 | N-((dialkylamino)methylene)-substituted pyrazolo (1,5-A)-pyrimidine-3-carboxamides and N-((dialkylamino)methylene)-substituted-4,5-dihydropyrazolo-(1,5-A)-pyri midine-3-carboxamides | John P. Dusza | 1991-10-22 |
| 5030650 | 13-halo-23-imino derivatives of LL-F28249 compounds and their use as endo- and ectoparasiticidal, insecticidal, acaricidal and nematocidal agents | Brian L. Buckwalter | 1991-07-09 |
| 5013737 | 2,4,8-Trisubstituted-3H,6H-1,4,5A,8A-tetraazaacenaph tylene-3,5-(4H)-diones and 2,4-8-trisubstituted-4,5-dihydro-5-thioxo-3H,6H-1,4,5A,8A-tetrazaacenaph thylen-3-ones | Joseph W. Epstein, Jeremy Levin | 1991-05-07 |
| 4963553 | 4-[(substituted) alkylcarbonyl]-4,5-dihydro- and -4,5,6,7-tetrahydro-7-[(substituted)phenyl]pyrazolo[1,5-a]pyrimidines | Herbert J. Brabander, Joseph W. Epstein | 1990-10-16 |
| 4963552 | 1-substitute-1,2-dihydro-4-((substituted)phenyl)imidazo-[1,5-a] pyrimidine-8-carbonitriles | Herbert J. Brabander, Jannie S. Baker, Joseph W. Epstein | 1990-10-16 |
| 4916137 | 5-(Substituted-amino)-8-(phenyl or substituted-phenyl)-3H,6H-1,4,5A,8A-tetraazaacenaphthylen-3-ones and treatment of neural behavior disorders | Joseph W. Epstein, Jeremy Levin | 1990-04-10 |
| 4904658 | Substituted-6H,8H-pyrimido-[1,2,3-cd]purine-8,10-(9H)-diones and substituted-6H,10H-pyrimido[1,2-cd]purin-10-ones | Joseph W. Epstein, Jeremy Levin | 1990-02-27 |
| 4888345 | 4,8-disubstituted-1,2-dihydro and 1,2,3,4-tetrahydroimidazo-[1,5-a] pyrimidines | John P. Dusza, Joseph W. Epstein | 1989-12-19 |
| 4847256 | 4,5-dihydro and 4,5,6,7-tetrahydropyrazolo(1,5-A)-pyrimidines | John P. Dusza, Joseph W. Epstein | 1989-07-11 |
| 4576943 | Pyrazolo[1,5-a]pyrimidines | Andrew S. Tomcufcik, Walter E. Meyer, John P. Dusza | 1986-03-18 |
| 4562189 | Pyrazolylpiperazines | Andrew S. Tomcufcik, Walter E. Meyer | 1985-12-31 |
| 4462931 | Enhanced aqueous chemiluminescent systems | Martin L. Cohen, Frank J. Arthen, Jr. | 1984-07-31 |
| 4407743 | Novel N,N'-bis(trifluoromethylsulfonyl)oxamides and chemiluminescent compositions containing the same | — | 1983-10-04 |
| 4338213 | Aqueous chemiluminescent systems | Michael M. Rauhut | 1982-07-06 |
| 4288592 | Process for preparing amides by reaction in presence of molecular sieve | Michael M. Rauhut | 1981-09-08 |
| 4282357 | Aqueous chemiluminescent systems | Michael M. Rauhut | 1981-08-04 |
| 4226738 | N,N-Bis(trifluoromethylsulfonyl)oxamides and chemiluminescent compositions containing the same | Michael M. Rauhut, Arthur G. Mohan | 1980-10-07 |