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:
Dec. 13, 1983
Filed:
Dec. 17, 1980
Applicant:
Inventors:
Eddie N Gutierrez, Fort Lee, NJ (US);
Vincent Lamberti, Upper Saddle River, NJ (US);
Assignee:
Lever Brothers Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ;
U.S. Cl.
CPC ...
549322 ; 562595 ;
Abstract
Novel methods for preparing polycarboxylic compounds which are useful as metal sequestrants and food acidulants are disclosed. These compounds are aconitic acid and a mixture of aconitic acid, and the lactones of isocitric acid and alloisocitric acid. The compounds can be neutralized to the corresponding salts which, in turn, are metal sequestering agents. The novel methods include chlorination of propane-1,1,2,3-tetracarboxylic tetraesters.