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. 09, 1997
Filed:
Jun. 19, 1996
Applicant:
Inventors:
Eddie Nelson Gutierrez, Midland Park, NJ (US);
Donna Wu, North Bergen, NJ (US);
Shang-Ren Wu, Mahwah, NJ (US);
Assignee:
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562583 ;
Abstract
A process for the preparation of 2,2'-oxydisuccinate from undissolved solid, powdered or comminuted maleate and malate species added to a slurry of alkaline earth metal hydroxide is disclosed which cooperatively controls pH, temperature, time and ratio of reactants to effectively avoid substantial phase separation.