Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copolyester of polyethylene terephthalate and sulfonyl diphenol

Copolyester of polyethylene terephthalate and sulfonyl diphenol

US Patent 4436893 · Granted Mar 13, 1984

Estimated economic value: $5,412,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of a recording carrier2002
Preparation of a recording carrier2001
Craze resistant transparent sheet1997
Craze resistant transparent sheet1996
Copolyester of polyethylene terephthalate and bis (4-beta hydroxy ethoxy phenyl)1985
Preparation of methacrolein and methacrylonitrile from tert-butyl alkanoates1984
Preparation of methacrolein and methacrylonitrile from tert-butyl alkanoates1982
Catalyst system for a polyethylene terephthalate polycondensation1982