Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800757 | Red-shifted triazine ultravioletlight absorbers | Ram B. Gupta, Hargurpreet Singh | 2004-10-05 |
| 6730785 | Process for making triazine UV absorbers using lewis acids and reaction promoters | Ram B. Gupta, Dennis Jakiela, Sampath Venimadhavan, Venkatrao K. Pai | 2004-05-04 |
| 6710177 | Process for making triazine UV absorbers using Lewis acids and reaction promoters | Ram B. Gupta, Dennis Jakiela, Sampath Venimadhavan, Venkatrao K. Pai | 2004-03-23 |