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:
Feb. 04, 1997
Filed:
Aug. 07, 1995
Applicant:
Inventors:
Rainer Becker, Bad D urkheim, DE;
Wolfgang Friedrich, Speyer, DE;
Walter Klink, Birkenheide, DE;
Juergen Schossig, Fussg onheim, DE;
Andreas Henne, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568483 ;
Abstract
A process for preparing glutaraldehyde by reaction of alkoxydihydropyrans of the general formula I ##STR1## where R is C.sub.1 -C.sub.20 -alkoxy, with water at from 0.degree. to 150.degree. C. and from 0.01 to 50 bar in the presence of a catalyst consisting essentially of a bleaching earth.