Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process of preparing polymer sulphonyl derivatives

Process of preparing polymer sulphonyl derivatives

US Patent 5118766 · Granted Jun 2, 1992

Estimated economic value: $1,293,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of making fibre-based products and their use2004
Aromatic polymers1991
Substituted aromatic polymers1991
Gas separation1990
Process of producing a composite membrane1990
Membrane1989
Membranes1989
Membranes1987
Antistatic films1981
Method for producing an oriented tubular film1981
Antistatic polyolefin films1980
Oriented polyolefin film1980