Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835202 | (Hydroxyphenyl) phosphine stabilized compositions | John D. Spivack, Edward T. Hessell | 1989-05-30 |
| 4831178 | Aliphatic esters of 1,3,2-oxazaphospholidines | Paul A. Odorisio, James L. Hyun | 1989-05-16 |
| 4812501 | 1,3,2-oxazaphospholidine stabilizers | Paul A. Odorisio, James L. Hyun | 1989-03-14 |
| 4808644 | Substituted (4-hydroxyphenylthioalkyl) derivatives | John D. Spivack, Ramanathan Ravichandran | 1989-02-28 |
| 4783495 | (Hydroxyphenyl) silane stabilizers | Edward T. Hessell | 1988-11-08 |
| 4775497 | Esterification process with calcium hydroxyaryl phosphonate-organosilicon heterocycle catalyst system | Richard W. Thomas | 1988-10-04 |
| 4758614 | Compositions stabilized with substituted amino carbamates | Edward T. Hessell, Ramanathan Ravichandran | 1988-07-19 |
| 4757102 | Compositions stabilized with aminoxy alkylamine derivatives | Ramanathan Ravichandran, Thomas E. Snead | 1988-07-12 |
| 4751319 | 1,3,2-oxazaphospholdine stabilizers | Paul A. Odorisio, James L. Hyun | 1988-06-14 |
| 4730083 | Process for the preparation of 3,5-dialkyl-4-hydroxy benzoic acid | John D. Spivack, Paul A. Odorisio | 1988-03-08 |
| 4709050 | Substituted-(hydroxyphenyl)-pyrrolidine-2,5-dione stabilizers | John D. Spivack | 1987-11-24 |
| 4692532 | Substituted N-(4-hydroxyphenylthioalkyl) cyclic imides | John D. Spivack, Ramanathan Ravichandran | 1987-09-08 |
| 4678826 | Substituted-(aminoxy)-pyrrolidine-2,5-dione stabilizers | Edward T. Hessell | 1987-07-07 |
| 4642382 | 1H-polyalkyl-phosphorinanes | John D. Spivack, Paul A. Odorisio | 1987-02-10 |
| 4636573 | Hindered silicon ester stabilizers | John D. Spivack | 1987-01-13 |
| 4617336 | Acylated calixarene stabilizers | Paul A. Odorisio | 1986-10-14 |
| 4612341 | Tri- and tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers | John D. Spivack | 1986-09-16 |
| 4611023 | Di-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositions | John D. Spivak | 1986-09-09 |
| 4582870 | Dioxasilepin and dioxasilocin stabilizers | John D. Spivack | 1986-04-15 |
| 4560799 | Tri- and Tetra-(substituted hydroxyphenylthio) alkane and cycloalkane stabilizers and stabilized compositions | John D. Spivack | 1985-12-24 |
| 4559379 | 4-Hydroxyphenylthio substituted stabilizers for polymers | John D. Spivack | 1985-12-17 |
| 4552926 | Substituted 4-hydroxyphenylthio benzoate stabilizers | John D. Spivack | 1985-11-12 |
| 4547539 | Substituted (4-hydroxyphenylthio) succinic anhydride or succinate stabilizers | John D. Spivack | 1985-10-15 |
| 4540732 | Alkylated S-(hydroxyphenylthio) alkanoates | John D. Spivack, Paul A. Odorisio | 1985-09-10 |
| 4539421 | 1H-Polyalkyl-phosphorinanes | John D. Spivack, Paul A. Odorisio | 1985-09-03 |