Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963285 | 2,4,4-irisubstituted tetrahydro pyranyl esters and organoleptic uses thereof | Mark A. Sprecker | 1990-10-16 |
| 4608193 | Isochroman derivatives and organoleptic uses thereof | Mark A. Sprecker, Wilhelmus J. Wiegers, Domenick Luccarelli, Jr., Marie R. Hanna | 1986-08-26 |
| 4493790 | Organoleptic use of isopropyl tetramethylindanes | Mark A. Sprecker, Robert P. Belko | 1985-01-15 |
| 4466908 | Isopropyl tetramethylindan musk, organoleptic use thereof | Mark A. Sprecker, Robert P. Belko | 1984-08-21 |