Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of alkali metal salts of hydroxybenzoates, which are substantially anhydrous and free from hydroxybenzoic acid

Process for the preparation of alkali metal salts of hydroxybenzoates, which are substantially anhydrous and free from hydroxybenzoic acid

US Patent 4276431 · Granted Jun 30, 1981

Estimated economic value: $799,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for removing mercury from flue gases2020
Method for monitoring the machine space of a processing machine, preferably a mo2020
Clamping device for an adjustable stop of a processing machine, particularly a m2019
Pressing device for a machine tool for machining workpieces of wood, plastics an2019
Adjusting device for a pressure roller of a processing machine, particularly a m2018
Moulder2016
Release device for actuating a clamping device for tools2007
Process for removing mercury from flue gases2005
Conditioning method for dehydrating clarification sludge2002
Process for the preparation of aminoaryl-sulphonic acids1990
Process for the sulphonation of aromatic compounds with sulphur trioxide1989
Process for preparing granules of water-insoluble solids1985