Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296674 | Candle wax stabilized with red-shift benzotriazoles | Kevin Trainor, Walid Al-Akhdar, James L. Hyun, Ramanathan Ravichandran, Andrea Smith +1 more | 2001-10-02 |
| 6268415 | Stabilized adhesive compositions containing highly soluble, photostable benzotriazole UV absorbers and laminated articles derived therefrom | Walter Renz, Mervin Wood, Ramanathan Ravichandran, Revathi Iyengar, Luther A. R. Hall | 2001-07-31 |
| 6262151 | Benzotriazole UV absorbers having enhanced durability | Ramanathan Ravichandran, Mervin Wood, Anthony DeBellis, Robert Detlefsen, Revathi Iyengar +1 more | 2001-07-17 |
| 6191199 | Stabilized adhesive compositions containing highly soluble, high extinction photostable hydroxyphenyl-s-triazine UV absorbers and laminated articles derived therefrom | Walter Renz, Mervin Wood, Ramanathan Ravichandran, Revathi Iyengar | 2001-02-20 |
| 6187845 | Stabilized adhesive compositions containing highly soluble, red-shifted, photostable benzotriazole UV absorbers and laminated articles derived therefrom | Walter Renz, Mervin Wood, Ramanathan Ravichandran, Revathi Iyengar | 2001-02-13 |
| 6166218 | Benzotriazole UV absorbers having enhanced durability | Ramanathan Ravichandran, Mervin Wood, Anthony DeBellis, Robert Detlefsen, Revathi Iyengar +1 more | 2000-12-26 |
| 5977219 | Benzotriazole UV absorbers having enhanced durability | Ramanathan Ravichandran, Anthony DeBellis, Revathi Iyengar, Jean-Pierre Wolf, Robert Detlefsen +1 more | 1999-11-02 |
| 5679794 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1997-10-21 |
| 5668198 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1997-09-16 |
| 5668199 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1997-09-16 |
| 5552464 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1996-09-03 |
| 5445872 | Laminated thermoplastics stabilized with bisbenzophenones | James H. Botkin, Carmen Hendricks | 1995-08-29 |
| 5410047 | Polymer stabilizers containing both hindered amine and hydroxlamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1995-04-25 |
| 5306456 | Preparing laminated thermoplastics stabilized with bisbenzophenones | James H. Botkin, Carmen Hendricks | 1994-04-26 |
| 5202441 | Polymer stabilizers containing both hindered amine and hydroxylamine moieties | Ramanathan Ravichandran, Valerio Borzatta, Graziano Vignali | 1993-04-13 |
| 5144075 | Process for the preparation of N,N-dihydrocarbylhydroxylamines | — | 1992-09-01 |
| 4972009 | Polymer stabilizers containing both hindered amine and nitrone moieties | Ramanathan Ravichandran | 1990-11-20 |