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:
Jan. 23, 1990
Filed:
Jun. 20, 1986
Applicant:
Inventors:
Mark S Pavlin, Lawrenceville, NJ (US);
Kathryn S Hayes, Norristown, PA (US);
Assignee:
Union Camp Corporation, Wayne, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562595 ; 260407 ; 562590 ; 530230 ;
Abstract
Tricarboxylic acids are prepared by reacting unsaturated mono- and dicarboxylic acids of specific carbon atom content in the presence of a catalytic proportion of an unactivated clay and water. The product acids of 34, 35, 36, 38, or 40 carbon atoms are useful as corrosion inhibitors, epoxy resins curing agents, lubricants, polymeric resin plasticizers and intermediates for synthetic polymeric resins.