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:
Jul. 16, 1996
Filed:
Dec. 27, 1994
Applicant:
Inventors:
Assignee:
Enichem Synthesis S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558277 ;
Abstract
The reaction between methanol, carbon monoxide and oxygen for preparing dimethyl carbonate, in the presence of cuprous chloride as the catalyst, is carried out in a special reactor constituted by two parallel, vertical tubes, at the base of one of which the fresh gas and the recycle gas are fed; the reaction products are separated by partially condensing the recirculate vapors.