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:
Mar. 14, 1989
Filed:
Jan. 08, 1987
Applicant:
Inventors:
Assignees:
Istituto Guido Donegani, S.p.A., Novara, IT;
Consiglio Nazionale Delle Ricerche, Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560180 ; 560122 ; 560123 ; 560124 ; 560126 ;
Abstract
The invention concerns a process for the preparation of the esters of an alkyltartronic acid by direct oxidation, with O.sub.2 or the like, at 30.degree.-200.degree. C., of the corresponding alkyl-malonic esters, in the presence of a catalytic system, comprising a salt of a transition metal, selected from Mn, Fe, Co and Cu, and an alkali-metal salt of an aliphatic carboxylic acid, optionally in the presence of a polar solvent.
Santi, Roberto. (1989). Process for the preparation of the esters of an acid (U.S. Patent No. 4812592). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4812592
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile