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:
May. 01, 1979
Filed:
Nov. 16, 1977
Applicant:
Inventors:
Nils J Christensen, Palatine, IL (US);
Joseph Levy, Northbrook, IL (US);
Assignee:
UOP Inc., Des Plaines, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568775 ; 568805 ;
Abstract
Halogenated alkyl substituted phenols may be dealkylated by treating a compound such as 5-t-butyl-2-fluorophenol with a diealkylation catalyst such as an acid acting compound at dealkylation conditions whereby the t-butyl substituent is removed and the resulting compound comprising 2-fluorophenol is recovered.