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. 10, 2012
Filed:
Jun. 05, 2003
Applicants:
Michael A. Dodd, Chandler, AZ (US);
John Mcfarland, Scottsdale, AZ (US);
Wolfgang Sievert, Wunstorf, DE;
Inventors:
Michael A. Dodd, Chandler, AZ (US);
John McFarland, Scottsdale, AZ (US);
Wolfgang Sievert, Wunstorf, DE;
Assignee:
Honeywell International Inc., Morritown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for producing highly pure solutions containing hydrogen fluoride, one or more salts thereof or a mixture of two or more thereof, by adding hydrogen fluoride to at least one anhydrous solvent, wherein the hydrogen fluoride is added to the anhydrous solvent or solvents in the form of a gas or as a liquified gas or as a mixture of gas and liquefied gas. High purity hydrogen fluoride and ammonium fluoride solutions produced by the inventive method are also disclosed.