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. 19, 1985
Filed:
Feb. 07, 1984
Applicant:
Inventors:
Karl-Heinz Keim, Heimerzheim, DE;
Joachim Korff, Bornheim-Merten, DE;
Assignee:
Rheinische Braunkohlenwerke Aktiengesellschaft, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568716 ; 568780 ; 568783 ; 568790 ; 568794 ;
Abstract
This invention relates to a process for isomerization and transalkylation of alkylphenols and for phenol-derivatives in the presence of a catalyst comprising ironoxide (s) and at least one additional oxide and in the case of 2,4,6-trimethylphenol and 2,4-dimethylphenol as alkylphenol feed, of ironoxide (s) or of a catalyst comprising ironoxide (s) and at least one additional oxide.