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. 13, 1983
Filed:
Nov. 25, 1981
Applicant:
Inventor:
Norman R DeLue, Corpus Christi, TX (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562598 ; 562600 ; 562586 ; 562551 ;
Abstract
Disclosed is a method of preparing alpha-beta and beta-gamma unsaturated monocarboxylic acids having electron withdrawing, electrophilic substituents at the site of unsaturation. The acids are prepared by reacting metal salts of the unsaturated acids with strong mineral acids under substantially anhydrous conditions.