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:
Nov. 14, 1995
Filed:
Oct. 14, 1994
Applicant:
Inventors:
Eddie N Gutierrez, Midland Park, NJ (US);
Shang-Ren Wu, Mahwah, NJ (US);
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562580 ; 562583 ;
Abstract
A process for the purification and recovery of 2,2'-oxydisuccinate moieities from a reaction mixture containing maleate, malate, fumarate, and alkaline earth metal is disclosed which reduces the pH to about 3.8 to 4.2 with sulfuric acid and then produces the calcium salt of the 2,2'-oxydisuccinate by heating and precipitation.
Quick Actions:
Gutierrez, Eddie. (1995). Process for the purification of alkaline earth metal salts of (U.S. Patent No. 5466875). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5466875
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile