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:
Nov. 15, 1988
Filed:
Oct. 05, 1987
Applicant:
Inventors:
Peter W Raynolds, Kingsport, TN (US);
Glenn C Jones, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560187 ; 502150 ;
Abstract
Disclosed is an improved process for the preparation of alkyl 3-alkoxypropionates containing at least seven carbon atoms by the reaction of dialkoxymethane containing five or more carbon atoms with a ketene in the presence of a catalytic amount of the reaction product of an alkylcarboxylic acid anhydride and concentrated or fuming sulfuric acid.