Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902734 | Acid-curable thermoset enamels containing a triazole | Rudolf A. Behrens | 1990-02-20 |
| 4724248 | Voltage stabilizing esters and urethanes | David H. Steinberg | 1988-02-09 |
| 4689362 | Stabilized olefin polymer insulating compositions | — | 1987-08-25 |
| 4618638 | Compositions containing alpha-cyanocinnamate ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group | Roland A. E. Winter | 1986-10-21 |
| 4544691 | Compositions containing ultraviolet-absorbing stabilizing substituted by an aliphatic hydroxyl group | Roland A. E. Winter | 1985-10-01 |
| 4504419 | Alpha-cyanocinnamate ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group | Roland A. E. Winter | 1985-03-12 |
| 4496757 | Ultraviolet-absorbing stabilizers substituted an aliphatic hydroxyl group | Roland A. E. Winter | 1985-01-29 |
| 4496676 | Ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group | Roland A. E. Winter | 1985-01-29 |
| 4477614 | 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole stabilized compositions | Roland A. E. Winter | 1984-10-16 |
| 4447511 | 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabilized photographic compositions | Roland A. E. Winter | 1984-05-08 |
| 4414393 | Ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group | Roland A. E. Winter | 1983-11-08 |
| 4383863 | 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabilized photographic compositions | Roland A. E. Winter | 1983-05-17 |
| 4374219 | Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphites | John D. Spivack, Stephen D. Pastor | 1983-02-15 |
| 4347180 | High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes | Roland A. E. Winter | 1982-08-31 |
| 4318845 | Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites | John D. Spivack, Stephen D. Pastor | 1982-03-09 |
| 4315848 | 2-[2-Hydroxy-3,5-di-(.alpha. ,.alpha.-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions | Roland A. E. Winter | 1982-02-16 |
| 4283327 | 2-(2-Hydroxy-3,5-di-tert-octylphenyl)-2H-benzotriazole stabilized compositions | Roland A. E. Winter | 1981-08-11 |
| 4278589 | 2-[2-Hydroxy-3,5-di-(.alpha.,.alpha.-dimethylbenzyl )phenyl]-2H-benzotriazole and stabilized compositions | Roland A. E. Winter | 1981-07-14 |
| 4278590 | 2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-Benzotriazole and stabilized compositions | Roland A. E. Winter | 1981-07-14 |
| 4275004 | High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes | Roland A. E. Winter | 1981-06-23 |
| 4258149 | Process for curing saturated polymers using divinyl hydantoin coagents | Hyman W. Zussman, Martin Knell | 1981-03-24 |
| 4238575 | Stabilized compositions containing polymeric thiosynergists | Eduard K. Kleiner | 1980-12-09 |
| 4233209 | Hindered phenol hydrazones and compositions stabilized therewith | David H. Steinberg | 1980-11-11 |
| 4226763 | 2-[2-Hydroxy-3,5-di-(. alpha.,.alpha.-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions | Roland A. E. Winter | 1980-10-07 |
| 4196301 | 2,4,6-Trialkyl-3-hydroxybenzylmalonate | John D. Spivack | 1980-04-01 |