Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for producing composite semipermeable membrane employing a polyfunctional amine solution and high flash point - solvent

Process for producing composite semipermeable membrane employing a polyfunctional amine solution and high flash point - solvent

US Patent 5324538 · Granted Jun 28, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Surface-treated plastic article and method of surface treatment2008
Surface-treated plastic article and method of surface treatment2004
Composite membrane1993
Composite semipermeable membrane, process of producing the same and method of pr1993
Oxygen scavenger1992
Porous membrane and production process thereof1992
Process of producing composite semipermeable membrane1991
Process for preparation of semipermeable composite membrane1989
Interfacially synthesized reverse osmosis membrane1988
Interfacially synthesized reverse osmosis membrane1988
High performance semipermeable composite membrane and process for producing the 1985
Semipermeable membrane treated with modified vinyl polymer1984