Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Interfacially polymerized polyester films

Interfacially polymerized polyester films

US Patent 5650479 · Granted Jul 22, 1997

Estimated economic value: $32,961,000 ⓘ

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins2000
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures1998
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures1998
Heat-resistant hydroxy-functional polyethers as thermoplastic barrier resins1998
Coated plastic substrate1998
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures1997
Gas separations utilizing glassy polymer membranes at sub-ambient temperatures1997
Polycarbonate terminated by an ionic sulfonated aromatic moiety and preparation 1997
Stilbene-based polyester and polycarbonate compositions1997
Process of preparing a composite membrane1996
Thiodiphenol copolycarbonates and their use as components of multilayered polyme1996
Crosslinkable carbonate polymers of dihydroxyaryl fluorene1996