Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900314 | Process for making triazine UV absorbers using lewis acids and reaction promoters | Ram B. Gupta, Dennis Jakiela, Sampath Venimadhavan, Venkatrao K. Pai | 2005-05-31 |
| 6867250 | Non-yellowing ortho-dialkyl aryl substituted triazine ultraviolet light absorbers | Ram B. Gupta, Hargurpreet Singh, Mark Paterna, Al Wagner | 2005-03-15 |
| 6855269 | Phenyl ether-substituted hydroxyphenyl triazine ultraviolet light absorbers | Ram B. Gupta, Hargurpreet Singh | 2005-02-15 |