Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578731 | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers | Ramanathan Ravichandran | 1996-11-26 |
| 5554754 | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers | Ramanathan Ravichandran | 1996-09-10 |
| 5470980 | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers | Ramanathan Ravichandran | 1995-11-28 |
| 5380828 | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers | Ramanathan Ravichandran | 1995-01-10 |
| 5240976 | N,N'-alkenylene amine/mercaptotolylimidazole blends as high temperature antioxidants for elastomers | Douglas W. Horsey | 1993-08-31 |
| 5149774 | Method for recycling discolored polyolefins | Stephen D. Pastor | 1992-09-22 |
| 5128397 | Stabilized ethylene-vinyl acetate copolymer hot melt adhesive systems | Douglas W. Horsey | 1992-07-07 |
| 5096950 | Polyolefin compositions stabilized with NOR-substituted hindered amines | James P. Galbo, Raymond Seltzer, Ramanathan Ravichandran | 1992-03-17 |
| 5004770 | Polymeric substrates stabilized with N-substituted hindered amines | Frank P. Cortolano, Raymond Seltzer | 1991-04-02 |
| 4898901 | Long chain N-alkyl-alpha-alkyl nitrones and polyolefin compositions stabilized therewith | Ramanathan Ravichandran, Stephen D. Pastor, Raymond Seltzer | 1990-02-06 |
| 4876300 | Polyolefin compositions stabilized with long chain N,N-dialkylhydroxylamines | Raymond Seltzer, Ramanathan Ravichandran | 1989-10-24 |
| 4782105 | Long chain N,N,-dialkylhydroxylamines and stabilized compositions | Ramanathan Ravichandran, Frank P. Cortolano, Richard W. Thomas | 1988-11-01 |
| 4668721 | Polyolefin compositions stabilized against degradation using hydroxylamine derivatives | Raymond Seltzer, Peter W. Stewart, Charlene White | 1987-05-26 |
| 4590231 | Polyolefin compositions stabilized against degradation using hydroxylamine derivatives | Raymond Seltzer, Peter W. Stewart, Charlene White | 1986-05-20 |