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:
Jun. 10, 1980
Filed:
May. 22, 1979
Applicant:
Inventors:
Friedrich Linhart, Heidelberg, DE;
Bjoern Girgensohn, Mannheim, DE;
Hans Merkle, Ludwigshafen, DE;
Hardo Siegel, Speyer, DE;
Hans-Richard Mueller, Bobenheim-Roxheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603475 ;
Abstract
A process for the preparation of a 2,5-dimethylfuran-3-carboxylic acid ester from an .alpha.-acyloxypropionaldehyde and an acetoacetic acid ester in the presence of anhydrous iron-III chloride.