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. 27, 1983
Filed:
Apr. 14, 1980
Michel Burgard, Strasbourg, FR;
Marc D Piteau, Itteville, FR;
Alain J Rollat, Strasbourg Neudorf, FR;
Jean-Pierre G Senet, La Chapelle la Reine, FR;
Societe Nationale des Poudres et Explosifs, Paris, FR;
Abstract
The invention relates to new industrial products of the general formula ##STR1## a process for the manufacture of these products and their application in hydrometallurgy. According to the invention, R is in particular an alkyl, cycloalkyl, aryl, aralkyl, carboxylate, polyoxyethylene, polyester or polycarbonate group. The process consists in reacting an alcohol or a polyol, ROH, with 2,3-dioxycarbonylpropyl chloroformate, at between -10.degree. and +20.degree. C., in the presence of an acid acceptor. Application: the compounds according to the invention are extraction agents for hydrometallurgy, which can be used in dilute solution.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile