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:
Mar. 31, 2015
Filed:
May. 04, 2012
Applicant:
Yang Qin, Bellaire, TX (US);
Inventor:
Yang Qin, Bellaire, TX (US);
Assignee:
Air Liquide America Specialty Gases LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/22 (2006.01); G01N 31/00 (2006.01); B01D 53/94 (2006.01); B01D 53/00 (2006.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
B01D 53/94 (2013.01); F01N 3/0814 (2013.01);
Abstract
The invention relates in part to a Sulfur standard gas in the ppb range in a matrix gas. The Sulfur standard gas is maintained in a cylinder under pressure sufficient to compress the majority of the Sulfur gas and into a liquid matrix.