Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of 4-aminodiphenylamine

Process for the preparation of 4-aminodiphenylamine

US Patent 5932768 · Granted Aug 3, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for producing dialkyl carbonates2016
Process for preparing diaryl carbonates and polycarbonates2015
Process for preparing diaryl carbonates and polycarbonates2015
Process for preparing diaryl carbonates from dialkyl carbonates2015
Bimetallic complexes and the use thereof in producing diaryl carbonate2015
Process for preparing diaryl carbonates or alkyl aryl carbonates from dialkyl ca2015
Process for preparing diaryl carbonate2014
Method for improving the color number of trimethylolpropane2014
High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s2014
Method for isolating di-trimethylol propane2014
Process for preparing dialkyl carbonates2013
Process for producing vinylene carbonate2013