Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Urethane linked hydroxy aromatic isocyanates

Urethane linked hydroxy aromatic isocyanates

US Patent 4724256 · Granted Feb 9, 1988

Estimated economic value: $16,659,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Polyepoxy resin compositions2007
Curing epoxy resin with N-cyanoethylated toluenediamines2004
N-cyanoethylated ortho and meta toluenediamine compounds2003
2-phenylimidazole-phosphoric acid salt as an accelerator for acid anhydride cura2002
Imidazole-phosphoric acid salts as accelerators for dicyandiamide in one-compone2002
N-(aminopropyl)-toluenediamines and their use as epoxy curing agents2002
Polyamidoamine curing agents based on mixtures of fatty and aromatic carboxylic 2001
Reactive diluents for polyamidoamine epoxy curatives2000
Polyamide curing agents based on mixtures of polyethyleneamines and piperazine d1999
Polyamide curing agents based on mixtures of polyethylene-amines, piperazines an1999
Flexibilizing epoxy resins with low molecular weight acrylate copolymers1997
Fast cure amines for ambient and subambient cure of epoxy resins comprising meth1997