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:
Nov. 11, 1997
Filed:
Apr. 21, 1994
Applicant:
Inventors:
Franco Rivetti, Milan, IT;
Ugo Romano, Vimercate, IT;
Assignee:
Enichem Synthesis S.p.A., Palermo, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558277 ;
Abstract
Dialkyl carbonate is prepared by reacting an alcohol with a gaseous mixture of carbon monoxide and oxygen in the presence of cuprous chloride as catalyst and hydrochloric acid as in situ regenerator of the catalyst.