Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom

Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom

US Patent 7135577 · Granted Nov 14, 2006

Estimated economic value: $45,386,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods and compositions for inhibiting vinyl aromatic monomer polymerization2012
Tannin based polymeric coagulants composition and method of use2011
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalim2008
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalim2008
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalim2008
2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds and methods for maki2008
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalim2007
Methods for preparing cycloalkylidene bisphenols2006
Flame retardant resin compositions2004
Additive for thermoplastic resins and flame retardant resin compositions2004