Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319081 | Substituted N-thiomethyl phenothiazines as lubricant stabilizers | — | 1994-06-07 |
| 5211862 | Substituted N-thiomethylphenothiazines as lubricant stabilizers | — | 1993-05-18 |
| 4835202 | (Hydroxyphenyl) phosphine stabilized compositions | Stephen D. Pastor, Edward T. Hessell | 1989-05-30 |
| 4808644 | Substituted (4-hydroxyphenylthioalkyl) derivatives | Ramanathan Ravichandran, Stephen D. Pastor | 1989-02-28 |
| 4808645 | 6-(1-hydro-2,2,6,6-tetraalkyl-piperidine-4-oxy)dibenzodioxaphosphepin and dioxaphosphocin process stabilizers | Ramanathan Ravichandran | 1989-02-28 |
| 4730083 | Process for the preparation of 3,5-dialkyl-4-hydroxy benzoic acid | Stephen D. Pastor, Paul A. Odorisio | 1988-03-08 |
| 4713475 | Long chain (4-hydroxyphenyl) propanoate stabilizers | David H. Steinberg, Paul A. Odorisio | 1987-12-15 |
| 4709050 | Substituted-(hydroxyphenyl)-pyrrolidine-2,5-dione stabilizers | Stephen D. Pastor | 1987-11-24 |
| 4692532 | Substituted N-(4-hydroxyphenylthioalkyl) cyclic imides | Ramanathan Ravichandran, Stephen D. Pastor | 1987-09-08 |
| 4692539 | Pentaerythritol diphosphite stabilizers and process | — | 1987-09-08 |
| 4642382 | 1H-polyalkyl-phosphorinanes | Stephen D. Pastor, Paul A. Odorisio | 1987-02-10 |
| 4636573 | Hindered silicon ester stabilizers | Stephen D. Pastor | 1987-01-13 |
| 4619957 | Benzoate-stabilized rigid polyvinyl chloride compositions | William J. Reid, Jean M. Zappia, Gerald A. Capocci | 1986-10-28 |
| 4612393 | Bis(substituted thioalkyl)hydroxylamines and stabilized polyolefin compositions | Ramanathan Ravichandran | 1986-09-16 |
| 4612341 | Tri- and tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers | Stephen D. Pastor | 1986-09-16 |
| 4605692 | Substituted dibenzo dioxaphosphepins and dioxaphosphocins as stabilizers | Ramanathan Ravichandran | 1986-08-12 |
| 4582870 | Dioxasilepin and dioxasilocin stabilizers | Stephen D. Pastor | 1986-04-15 |
| 4560799 | Tri- and Tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositions | Stephen D. Pastor | 1985-12-24 |
| 4559379 | 4-Hydroxyphenylthio substituted stabilizers for polymers | Stephen D. Pastor | 1985-12-17 |
| 4555541 | Benzoate-stabilized rigid polyvinyl chloride compositions | William J. Reid, Jean M. Zappia, Gerald A. Capocci | 1985-11-26 |
| 4552926 | Substituted 4-hydroxyphenylthio benzoate stabilizers | Stephen D. Pastor | 1985-11-12 |
| 4547539 | Substituted (4-hydroxyphenylthio) succinic anhydride or succinate stabilizers | Stephen D. Pastor | 1985-10-15 |
| 4540732 | Alkylated S-(hydroxyphenylthio) alkanoates | Stephen D. Pastor, Paul A. Odorisio | 1985-09-10 |
| 4539421 | 1H-Polyalkyl-phosphorinanes | Stephen D. Pastor, Paul A. Odorisio | 1985-09-03 |
| 4524167 | Polymeric hindered phosphonate stabilizers | Stephen D. Pastor | 1985-06-18 |