Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Poly(oxyalkylene) modified phthalocyanine colorants

Poly(oxyalkylene) modified phthalocyanine colorants

US Patent 5135972 · Granted Aug 4, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Copolymerizable methine and anthraquinone compounds and articles containing them2014
Copolymerizable methine and anthraquinone compounds and articles containing them2013
Copolymerizable methine and anthraquinone compounds and articles containing them2013
Ophthalmic devices having a highly selective violet light transmissive filter an2012
Copolymerizable azo compounds and articles containing them2012
Polymer blends2012
Ophthalmic devices having a highly selective violet light transmissive filter an2011
Polyvinyl ultraviolet light absorbers for personal care2011
Process for adding methine UV light absorbers to PET prepared by direct esterifi2009
Method for incorporating nitrogen containing methine light absorbers in PET and 2009
Polymer compositions containing an ultraviolet light absorbing compound2009
Polycarbonate compositions2009