Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polyimide prepolymer composition from unsaturated bisimide and diamine containing unreacted reactants

Polyimide prepolymer composition from unsaturated bisimide and diamine containing unreacted reactants

US Patent 4680377 · Granted Jul 14, 1987

Estimated economic value: $365,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Functional member-attached glass window2022
Color inspection system2010
Prepreg of epoxy resin, hardener, and organodialkyurea promotor2001
Process of impregnating substrate and impregnated substrate2000
Process for manufacturing prepregs for use as electric insulating material1997
Process for a surface treatment of a glass fabric1996
Method of manufacturing a printed circuit board1996
Polyimide composition and prepreg and laminate thereof1992
Addition type imide resin prepolymer, manufacturing method thereof, prepreg and 1992
Addition type imide resin prepolymer, manufacturing method thereof, prepreg and 1992
Process for producing unsaturated mono and dicarboxylic acid imide compound1992
Method for forming conducting metal layer on inorganic substrate1990