Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of polyether polymers using bisphenol hydrate as intermediate

Preparation of polyether polymers using bisphenol hydrate as intermediate

US Patent 5663275 · Granted Sep 2, 1997

Estimated economic value: $63,997,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Integrated electrode separator assemblies for lithium ion batteries2021
Fluoropolymer gas separation films2016
Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactan2006
Acid salts of amine-functionalized SMA imide resins2006
Hydroxyl-terminated polybutadienes and their use in curing formulations2005
Amino-terminated polybutadienes2005
Amino-terminated polybutadienes2004
Hydroxyl-terminated polybutadienes and curing formulations2004
SMA resin amic acids2001
Method for preparing hydroperoxides by oxygenation2000
Polyetherimide preparation method including addition of macrocyclic polyetherimi1999
Method for preparing aromatic polyether polymers1998