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:
Jan. 15, 2019
Filed:
Sep. 20, 2017
Applicant:
Airgas, Inc., Radnor, PA (US);
Inventors:
Robert J. Grasmeder, Perkasie, PA (US);
Stephen B. Miller, Doylestown, PA (US);
Nolan R. Petrich, Doylestown, PA (US);
Assignee:
Airgas, Inc., Radnor, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 47/04 (2006.01); B01J 7/00 (2006.01); B01J 19/00 (2006.01); B01J 8/00 (2006.01); B01J 8/02 (2006.01); F28D 7/04 (2006.01); C08G 65/16 (2006.01); B01J 19/18 (2006.01); C07C 25/02 (2006.01);
U.S. Cl.
CPC ...
B01J 8/0292 (2013.01); C07C 47/04 (2013.01); C08G 65/16 (2013.01); F28D 7/04 (2013.01); B01J 19/1812 (2013.01); C07C 25/02 (2013.01); C08G 2650/44 (2013.01);
Abstract
A method of generating a desired gas is provided. The method includes introducing a matrix comprising media containing a parent compound and an inert media into an effusion tube comprising a first zone and a second zone. The first zone includes a micro-porous metal tube, and a closed end. The second zone includes a non-porous metal tube, and an open end. Heating the effusion tube, produces a desired gas.