The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 1999
Filed:
Aug. 26, 1997
Applicant:
Inventors:
Assignee:
Schill & Seilacher GmbH & Co., Hamburg, DE;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508554 ; 508555 ;
Abstract
The invention relates to the use of polyhydroxycarboxylamides as an extreme pressure (EP) additive, in particular for lubricants, metalworking fluids and hydraulic fluids. The invention also relates to an extreme pressure (EP) additive containing at least one amide of a polyhydroxycarboxylic acid. Preferred polyhydroxycarboxylamides are the amides of gluconic acid and of glucoheptonic acid.
Rieckert, Horst. (1999). Use of polyhydroxycarboxylamides as ep additives (U.S. Patent No. 5952274). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5952274
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile