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. 13, 2008
Filed:
Jul. 15, 2003
Applicants:
Daniel C. Merkel, West Seneca, NY (US);
Hsuehsung Tung, Getzville, NY (US);
Inventors:
Daniel C. Merkel, West Seneca, NY (US);
HsuehSung Tung, Getzville, NY (US);
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/19 (2006.01); C07C 17/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are methods of producing anhydrous hydrogen fluoride comprising: providing a mixture comprising hydrogen fluoride and at least one halogenated hydrocarbon; and extracting hydrogen fluoride from the mixture by contacting the mixture with a solution of less than about 93 wt. % sulfuric acid solution in water.