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. 12, 1991
Filed:
Aug. 28, 1990
Applicant:
Inventors:
Assignee:
Hoechst Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 38 ; 203D / ; 568492 ;
Abstract
A process for the separation of 2-methylalkanals from a mixture thereof with at least one alpha unbranched aldehyde thereof comprising distillation of said mixture in the presence of formaldehyde and an aldolization catalyst whereby the alpha unbranched aldehydes are converted to alpha alkylacrolein and the 2-methylalkanals are recovered in a high purity.