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:
Apr. 27, 1993
Filed:
Oct. 09, 1990
Applicant:
Inventors:
Jean Desmurs, Communay, FR;
Serge Ratton, Germain-en-Laye, FR;
Assignee:
Rhone-Poulenc Chimie, Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558276 ;
Abstract
A process for the preparation of a secondary or tertiary dialkyl dicarbonate. An alkali metal salt of an alkyl pyrocarbonate is contacted with (CO).sub.n X.sub.2 wherein X is defined as a leaving group and n is an integer from 1 to 2, in the presence of a complexing agent.
Desmurs, Jean. (1993). Process for the preparation of secondary of tertiary dialkyl dicarbonate (U.S. Patent No. 5206407). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5206407
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile