Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ultraviolet radiation absorbing cyclohexenylidene cyanoacetate ester and amide compositions

Ultraviolet radiation absorbing cyclohexenylidene cyanoacetate ester and amide compositions

US Patent 4891212 · Granted Jan 2, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the preparation of 3,5-di-O-acyl-2-fluoro-2-C-methyl-D-ribono-gamma-2010
Mono-nitration of aromatic compounds via nitrate salts2008
Method for accelerating oxime production1994
Ultraviolet radiation absorbing compositions of bis-1,3-diketone derivatives of 1992
Sunscreen composition1991
Ultraviolet radiation absorbing compositions of 1-cyclohexenylacetonitrile deriv1990
Ultraviolet radiation absorbing naphthalenylidene compositions1989
Ultraviolet radiation absorbing cyclohexenylidene method1989
Ultraviolet radiation absorbing cyclohexenylidene method1989