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. 23, 2002
Filed:
Jun. 22, 1999
Applicant:
Inventors:
Assignee:
Sumitomo Seika Chemicals Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/100 ;
U.S. Cl.
CPC ...
G01N 3/100 ;
Abstract
A method is provided for stabilizing a low-concentration standard reference gas. The stabilizing method includes the steps of treating an inner wall surface of a container with high-purity water for causing the inner wall surface to adsorb the high-purity water, and charging the container with the standard reference gas.