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:
Apr. 05, 1994
Filed:
Jan. 11, 1993
Applicant:
Inventors:
Assignee:
Solvay Fluor and Derivate GmbH, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570164 ;
Abstract
A process for working up the hydrogen fluoride phase of reaction mixtures from fluorination reactions comprising contacting the hydrogen fluoride phase with oleum in order to obtain dried hydrogen fluoride, which can be recycled to the fluorination reaction.