Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 4-(2,5-Dihydroxyphen-1-yl)-crotonic acid and its derivatives, and the preparation of these compounds

4-(2,5-Dihydroxyphen-1-yl)-crotonic acid and its derivatives, and the preparation of these compounds

US Patent 4353836 · Granted Oct 12, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High productivity Kolbe reaction process for transformation of fatty acids deriv2015
Holographic medium and process for use thereof1998
Method and apparatus for producing comparative data1990
Distillative separation of liquid mixtures of substances1988
Distillative separation of liquid mixtures of substances1988
Stabilizers1987
Selective hydrogenation of unsaturated carbonyl compounds1985
Chroman derivatives and stabilized polypropylene composition1985
Chroman derivatives and stabilized polypropylene composition1985
Ethoxylates of diacetylene alcohols and the use of these compounds as surfactant1984
Ruthenium-on-charcoal and ruthenium-on-carbon black hydrogenation catalysts, the1984
Preparation of unsaturated alcohols1984