Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst

Preparation of biphenols by oxidative coupling of alkylphenols using a recyclable copper catalyst

US Patent 6689921 · Granted Feb 10, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Stabilized concentrated formaldehyde solutions and methods of use thereof2025
Method of removal and conversion of amines in a refinery desalter2024
Acquisition of a font portion using a compression mechanism2021
Use of triazines for selective modification of natural polymers2020
Acquisition of a font portion using a compression mechanism2019
System and method for creating custom composite images from layered images in a 2018
Sulfide scavengers, methods for making and methods for using2016
System and method for creating custom composite images from layered images in a 2015
Sulfide scavengers, methods for making and methods for using2015
Methods and compounds for improving sulfide scavenging activity2014
Dynamic augmentation of extensible font subsets2014
Preparation of biphenols by oxidative coupling of alkylphenols using copper cata2002