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. 23, 1999
Filed:
Sep. 12, 1997
Applicant:
Inventor:
Randolph K Belter, Zachary, LA (US);
Assignee:
LaRoche Industries Inc., Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570180 ; 570177 ;
Abstract
A method is disclosed for separating a mixture of at least one hydrofluorocarbon from hydrogen fluoride. The method comprising treating said mixture with a compound selected from the group consisting of an alkanolamine of formula