Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071703 | Silicone-containing prepolymers with dangling hydrophilic polymer chains | Jian Zhou, Frank Chang, Robert Scott | 2011-12-06 |
| 8003710 | Production of ophthalmic devices based on photo-induced step growth polymerization | Robert Scott, Dawn A. Smith | 2011-08-23 |
| 6140026 | Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl ether-containing phenolics and their use in radiation sensitive mixtures | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Alfred T. Jeffries, III, Ahmad A. Naiini | 2000-10-31 |
| 6040107 | Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl ether-containing phenolics and their use in radiation sensitive mixtures | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Alfred T. Jeffries, III, Ahmad A. Naiini | 2000-03-21 |
| 5602260 | Selected O-quinonediazide sulfonic acid esters of phenolic compounds and their use in radiation-sensitive compositions | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Sobhy Tadros | 1997-02-11 |
| 5547814 | O-quinonediazide sulfonic acid esters of phenolic compounds and their use in forming positive images | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Sobhy Tadros | 1996-08-20 |
| 5541033 | Selected o-quinonediazide sulfonic acid esters of phenolic compounds and their use in radiation-sensitive compositions | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Sobhy Tadros | 1996-07-30 |