Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Chemical process

Chemical process

US Patent 5068421 · Granted Nov 26, 1991

Estimated economic value: $7,022,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for preparing 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylic acid/3,6-d1991
Chemical process1990
Chemical process1990
Chemical process1990
Improved process for reacting salts of D,L-tartaric and maleic acid in the produ1989
Process for producing diperoxoic acids1987