Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524166 | Primary or secondary amino substituted dibenzo dioxaphosphepins and dioxaphosphocins | Stephen D. Pastor | 1985-06-18 |
| 4521320 | Thiocarbamate stabilizers | Stephen D. Pastor | 1985-06-04 |
| 4508865 | S-(4-Hydroxyphenyl)thiocarboxylic ester antioxidants | Stephen D. Pastor | 1985-04-02 |
| 4503243 | Dioxasilepin and dioxasilocin stabilizers | Stephen D. Pastor | 1985-03-05 |
| 4497959 | Substituted (4-hydroxyphenylthio) succinic anhydride or succinate stabilizers | Stephen D. Pastor | 1985-02-05 |
| 4474914 | Ortho-alkylated phenyl phosphonites and stabilized organic compositions | — | 1984-10-02 |
| 4456716 | 4-(Hydroxyphenylthio)imide stabilizers | Stephen D. Pastor | 1984-06-26 |
| 4433087 | Alkylated 2,2'-biphenylene phosphonates and stabilized compositions | — | 1984-02-21 |
| 4406842 | Ortho-alkylated phenyl phosphonites | — | 1983-09-27 |
| 4374219 | Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphites | Martin Dexter, Stephen D. Pastor | 1983-02-15 |
| 4351759 | Alkylated 2,2'-biphenylene phosphites and stabilized compositions | — | 1982-09-28 |
| 4318845 | Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites | Martin Dexter, Stephen D. Pastor | 1982-03-09 |
| 4288391 | Alkylated 2,2'-biphenylene phosphites | — | 1981-09-08 |
| 4233208 | Polymer compositions stabilized with hindered phenyl secondary phosphites | — | 1980-11-11 |
| 4233207 | Hydrolytically stable ortho-alkylated phenyl phosphonites and stabilized compositions | — | 1980-11-11 |
| 4207229 | Hindered phenyl phosphites | — | 1980-06-10 |
| 4196117 | Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositions | — | 1980-04-01 |
| 4196301 | 2,4,6-Trialkyl-3-hydroxybenzylmalonate | Martin Dexter | 1980-04-01 |
| 4195016 | Hindered phenyl phosphites | — | 1980-03-25 |
| 4187246 | Amides of 2,4,6-trialkyl-3-hydroxyphenylalkanoic acids | Martin Dexter | 1980-02-05 |
| 4185006 | Cyclic phosphonite stabilizers | Michael Rasberger | 1980-01-22 |
| 4182704 | Hindered phenyl phosphites | — | 1980-01-08 |