Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320131 | N-[(4-Phenyl-1,2,3,6-tetrahydropyridin-1-yl)alkylene]azaspiro alkanediones and N-[(4-hydroxy-4-phenylpiperidin-1-yl)alkylene]azaspiroalkanediones | Joseph P. Yevich, Walter G. Lobeck, Jr. | 1982-03-16 |
| 4305944 | N-[(4-[3-cyano substituted pyridyl]piperazino)alkyl]-azaspirodecanediones | Joseph P. Yevich, Walter G. Lobeck, Jr. | 1981-12-15 |
| 4298734 | Diazaheterocyclopurines and triazolopyrimidines | — | 1981-11-03 |
| 4286093 | 9-Cyclohexyl-2-alkoxy-9H-adenine process | — | 1981-08-25 |
| 4234581 | Thieno[2,3-d]oxazines | — | 1980-11-18 |
| 4223031 | Azolopyrimidinones | Robert R. Covington, Joseph P. Yevich | 1980-09-16 |