Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7208620 | Polycyclic dihydroxy compounds and methods for preparation | Jan Henk Kamps, Jan-Pleun Lens, T. Tilak Raj, Ravindra Vikram Singh | 2007-04-24 | $45,021,000 |
| 6646097 | Method for purifying 1,1-bis(4′-hydroxy-3′-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom | Ashok Shyadligeri, Gary Charles Davis, Debjani Kapila, Ramesh Krishnamurti, Veeraraghavan Srinivasan | 2003-11-11 | $47,692,000 |