Steinberg; David H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Steinberg; David H..The latest application filed is for "long chain (4-hydroxyphenyl) propanoate stabilizers".

Company Profile

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Steinberg; David H. - New York NY
Steinberg; David H. - Bronx NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Long chain (4-hydroxyphenyl) propanoate stabilizers Grant 4,713,475 - Spivack , et al. December 15, 1	1987-12-15
Substituted 4-hydroxybenzylthio aldehyde and ketone stabilizers Grant 4,618,440 - Steinberg , et al. October 21, 1	1986-10-21
Anti-oxidative, anti-thermal, and anti-actinic degradation amides of hydroxyphenylalkylthio alkanoic acids, compositions, and method of use therefor Grant 4,534,874 - Steinberg , et al. August 13, 1	1985-08-13
Hindered phenol hydrazones and compositions stabilized therewith Grant 4,233,209 - Dexter , et al. November 11, 1	1980-11-11
Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hydantoin compounds Grant 4,125,516 - Dexter , et al. November 14, 1	1978-11-14
Combatting dandruff with mercapto quinoline N-oxides Grant 3,961,054 - Furia , et al. June 1, 1	1976-06-01
Mercapto Quinoline N-oxides And Their Use In Combatting Dandruff Grant 3,862,151 - Furia , et al. January 21, 1	1975-01-21
Metal Derivatives Of 3,5-di-t-butyl-4-hydroxyphenyl Propionic Acid Grant 3,723,489 - Dexter , et al. March 27, 1	1973-03-27

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