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:
May. 25, 1999
Filed:
Dec. 23, 1993
Applicant:
Inventors:
Assignee:
Daicel Chemical Industries, Ltd., Sakai, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558270 ; 558274 ; 558277 ;
Abstract
A method of producing a carbonic diester involves allowing an alcohol to react with carbon monoxide and oxygen in the presence of a supported catalyst wherein the support is an activated carbon obtained from a vegetable or polymeric raw material, a support having an aluminum content of up to 2% by weight, or a support having sulfur content of up to 1% by weight.
Quick Actions:
Matsuda, Hirokazu. (1999). Catalyst and method for producing carbonic diesters (U.S. Patent No. 5907051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5907051
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile