Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489383 | 2H-benzotriazole UV absorbers substituted with 1,1-diphenylalkyl groups and compositions stabilized therewith | Ramanathan Ravichandran, Joseph Suhadolnik, David Bramer, Jacqueline Lau, Anthony DeBellis | 2002-12-03 |
| 6465645 | Long chain hindered amines and compositions stabilized therewith | Andrea Smith, James P. Galbo | 2002-10-15 |
| 6458872 | Benzotriazole UV absorbers having enhanced durability | Ramanathan Ravichandran, Joseph Suhadolnik, Anthony DeBellis, Robert Detlefsen, Revathi Iyengar +1 more | 2002-10-01 |
| 6451887 | Benzotriazoles containing &agr;-cumyl groups substituted by heteroatoms and compositions stabilized therewith | Joseph Suhadolnik, Ramanathan Ravichandran, Jacqueline Lau, Carmen Hendricks-Guy, Christophe Bulliard | 2002-09-17 |
| 6392056 | 2H-benzotriazole UV absorders substituted with 1,1-diphenylalkyl groups and compositions stabilized therewith | Ramanathan Ravichandran, Joseph Suhadolnik, David Bramer, Jacqueline Lau, Anthony DeBellis | 2002-05-21 |
| 6387992 | Substituted 5-heteroaryl-2-(2-hydroxyphenyl)-2h-benzotriazole UV absorbers, a process for preparation thereof and compositions stabilized therewith | Stephen D. Pastor, Anthony DeBellis, Joseph Suhadolnik, Deborah DeHessa, Ramanathan Ravichandran | 2002-05-14 |
| 6380285 | Bloom-resistant benzotriazole UV absorbers and compositions stabilized therewith | Ramanathan Ravichandran, Douglas Horsey, Anunay Gupta, Deborah DeHessa, Luther A. R. Hall +2 more | 2002-04-30 |
| 6353113 | Process for the preparation of 5-perfluoroalkyl substituted benzotriazole UV absorbers | Deborah DeHessa, Andrew Naughton, Jerome Sanders, Jacqueline Lau, Rong Xiong +1 more | 2002-03-05 |
| 6337402 | Asymmetrical bisbenzotriazoles substituted by a perfluoroalkyl moiety and compositions stabilized therewith | Jacqueline Lau, Ramanathan Ravichandran | 2002-01-08 |