Steinberg; David Herbert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steinberg; David Herbert.The latest application filed is for "3,5-dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols".
- Steinberg; David Herbert - Bronx NY
| Patent | Date |
|---|---|
| 3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols Grant 4,032,562 - Dexter , et al. June 28, 1 | 1977-06-28 |
| Hindered hydroxyphenylalkanoates of substituted vicinal glycols Grant 3,987,086 - Dexter , et al. October 19, 1 | 1976-10-19 |
| Hindered hydroxyphenylalkanoates of thioether isopropanols Grant 3,954,839 - Dexter , et al. May 4, 1 | 1976-05-04 |
| 3,5-dialkyl-4-hydroxyphenylalkanoic Acid Esters Antioxidants Grant 3,839,278 - Dexter , et al. October 1, 1 | 1974-10-01 |
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