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:
Dec. 15, 1992
Filed:
Aug. 22, 1989
Applicant:
Inventors:
David W Smith, Cincinnati, OH (US);
Steven D Landau, Cincinnati, OH (US);
Assignee:
Quantum Chemical Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
558260 ; 558275 ; 558277 ;
Abstract
A process for making dihydrocarbyl carbonates is disclosed. In this process an alcohol having the structural formula R-OH, where R is alkyl, cycloalkyl or aralkyl, is reacted with oxygen and carbon monoxide in the presence of a heterogeneous copper-containing, halogen-free catalyst.