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:
Oct. 21, 2008
Filed:
Mar. 13, 2007
Alexander S. Borovik, Elmsford, NY (US);
Ziyun Wang, Bethel, CT (US);
Chongying Xu, New Milford, CT (US);
Thomas H. Baum, New Fairfield, CT (US);
Alexander S. Borovik, Elmsford, NY (US);
Ziyun Wang, Bethel, CT (US);
Chongying Xu, New Milford, CT (US);
Thomas H. Baum, New Fairfield, CT (US);
Advanced Technology Materials, Inc., Danbury, CT (US);
Abstract
An analytical technique for the accurate and precise measurement of trace water in chemical reagents, comprising the steps of combining a chemical reagent comprising ≦5 ppm water, with hexafluoroacetone (HFA), to form a sample mixture comprising at least the chemical reagent and a water derivative of hexafluoroacetone; and measuring the concentration of the water derivative of hexafluoroacetone by gas chromatography.