Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for purifying a naphthalenedicarboxylic acid

Method for purifying a naphthalenedicarboxylic acid

US Patent 5256817 · Granted Oct 26, 1993

Estimated economic value: $46,594,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Conversion of polystyrene to benzoic acid2019
Process for the preparation of 2,5-furan-dicarboxylic acid2017
Staged countercurrent oxidation2009
Process for the production of high purity aromatic carboxylic acids using a benz2008
Method of removing iron oxide deposits from the surface of titanium components2006
Method of removing iron oxide deposits from the surface of titanium components2005
Production of high purity aromatic carboxylic acid by oxidation in benzoic acid 2003
Process for preparing purified carboxylic acids2001
Process for preparing purified carboxylic acids2001
Process for preparing purified aromatic polycarboxylic acids1998
Process for preparing purified aromatic polycarboxylic acids1998
Process for preparing purified 2,6-naphthalenedicarboxylic acid1998