Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 4.6/4.I copolyamide and a process for the preparation thereof

4.6/4.I copolyamide and a process for the preparation thereof

US Patent 4849498 · Granted Jul 18, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of a copolyether ester2002
Process for the production of polytetramethylene adipamides1994
Terpolyamide from tetramethylene diamine1992
Terpolyamide from tetramethylene diamine1992
High molecular weight polytetramethyleneadipamide pellets1989
Production of high-molecular polytetramethylene adipamide pellet1988
Process for the preparation of nylon 4,61988
Process for the preparation of nylon 4,61988
Thermoplastic moulding compound1987
Process for making polytetramethylene adipamide1984
Preparation of poly-2-pyrrolidone with N-(2-caprolactim)-caprolactam accelerator1982
Method for polymerizing pyrrolidone with preheating of catalyst solution1982