Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the purification of dihydric phenols

Process for the purification of dihydric phenols

US Patent 7541417 · Granted Jun 2, 2009

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Deposit disintegrator compositions2021
Bridged metallocene complex for olefin polymerization2019
Methods of measuring hydrogen sulfide concentrations in reservoir fluids2019
Methods for purifying 2-aryl-3,3-bis(hydroxyaryl)phthalimidines2018
Bridged metallocene complex for olefin polymerization2017
Photochromic spirooxazine compounds2016
Compositions having reduced frictional coefficient, method of manufacture thereo2015
Sulphur-containing fertilizers and process for the preparation thereof2014
Compositions and methods for polymer composites2011
Catalytic method for producing phenolphthalein compounds2011
Method for producing phenolphthalein using a heteropolyacid catalyst2011
Methods for recycling catalyst compositions for aromatic ring halogenation2011