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. 13, 1993
Filed:
Jul. 24, 1992
Applicant:
Inventors:
Eiichi Watanabe, Kanagawa, JP;
Kenji Murayama, Yokohama, JP;
Kazutaka Ida, Yokohama, JP;
Keisuke Wada, Yokohama, JP;
Yukio Kasori, Yokkaichi, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558277 ;
Abstract
A method for producing a carbonic acid ester, which comprises reacting an aliphatic alcohol with carbon monoxide and oxygen in the presence of 1 a platinum group metal or its salt, 2 metal copper, a copper salt or a copper complex, 3 at least one member selected from the group consisting of alkali metal salts and alkaline earth metal salts, and 4 a 2-hydroxypyridine.