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:
Dec. 26, 2000
Filed:
Aug. 09, 1999
Applicant:
Inventor:
Theodore J Wydeven, Sunnyvale, CA (US);
Assignee:
Samco International, Inc., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
738659 ; 73 3105 ;
Abstract
A calorimetric test device for monitoring the effectiveness of an ozone-ultraviolet light apparatus for cleaning-stripping work pieces is disclosed. This device relies upon the ability of ozone to bring about a color change, typically a bleaching of the color, in various organic dyes. A kit fore carrying out the test of an ozone-ultraviolet cleaning-stripping apparatus is also disclosed. This kit includes the test device just described in a premoistened form enclosed in an openable moisture-impermeable container. Test methods using the test device and kit are disclosed.