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. 18, 1986
Filed:
Nov. 07, 1983
Jean Gauthier-Lafaye, Lyons, FR;
Robert Perron, Charly, FR;
Rhone-Poulenc Specialities Chimiques, Courbevoie, FR;
Abstract
Alkali or alkaline earth metal cobalttetracarbonylates well suited for catalyzing carbonylation reactions, e.g., the carbonylation of organic compounds comprising halomethyl functions, are facilely prepared by reacting a cobalt (II) compound with carbon monoxide in the presence of (i) an inorganic base which comprises an alkali or alkaline earth metal hydroxide or an alkali or alkaline earth metal bicarbonate and (ii) at least one sulfur compound having at least one sulfur atom, the oxidation state of which being no greater than +3, and in a reaction medium comprising water, an alcohol, an ether, or admixture of water and an alcohol or an ether.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile