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. 29, 2003
Filed:
Oct. 07, 1999
Applicant:
Inventors:
Paul Nicholas Ewing, Warrington, GB;
Charles John Shields, Warrington, GB;
Robert Elliott Low, Northwich, GB;
Assignee:
Ineos Fluor Holdings Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/19 ;
U.S. Cl.
CPC ...
C01B 7/19 ;
Abstract
Processes for separating and recovering hydrogen fluoride from a gaseous mixture of an organic compound and hydrogen fluoride are disclosed. The processes include contacting the gaseous mixture with a solution of an alkali metal fluoride in hydrogen fluoride, separating a gas phase depleted in hydrogen fluoride and containing the organic compound from a liquid phase, and recovering hydrogen fluoride from the liquid phase.