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:
Mar. 29, 1988
Filed:
Sep. 20, 1983
Applicant:
Inventor:
Michael J Green, Hedon, GB;
Assignee:
BP Chemicals Limited, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560232 ;
Abstract
An alkyl ester of formic acid is prepared by reacting carbon monoxide with an alcohol in the presence, as catalyst, of (a) a guanidine or (b) an amidine and an epoxide. The amidine or guanidine structure can by cyclic. The process can be operated in the liquid phase at pressures from 20 to 120 bars and temperatures from 40.degree. to 150.degree. C. with excess carbon monoxide over that required for conversion of the alcohol to the formate ester.