Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Amphoteric copolymer derived from vinylpyridine and acetoxystyrene

Amphoteric copolymer derived from vinylpyridine and acetoxystyrene

US Patent 5210149 · Granted May 11, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Substantially symmetrical 3-arm star block copolymers2017
Preparation, purification and use of high-X diblock copolymers2015
Propanoates and processes for preparing the same2012
Propanoates and processes for preparing the same2012
Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having 2011
Photoresist compositions and processes for preparing the same2010
Methods for preparing polymers from phenolic materials and compositions relating2010
Methods for preparing polymers from phenolic materials and compositions relating2010
Derivatized polyhydroxystyrenes with a novolak type structure and processes for 2010
Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked2010
Derivatized novolak polyhydroxystyrene2009
Epoxy resins or polyisocyanates reacted with derivatized novolak polyhydroxystyr2009