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:
Aug. 31, 2010
Filed:
Mar. 25, 2004
Applicants:
Maria Smolander, Espoo, FI;
Eero Hurme, Espoo, FI;
Markku Koivisto, Kauniainen, FI;
Sami Kivinen, Tampere, FI;
Inventors:
Maria Smolander, Espoo, FI;
Eero Hurme, Espoo, FI;
Markku Koivisto, Kauniainen, FI;
Sami Kivinen, Tampere, FI;
Assignee:
UPM Raflatac Oy, Tampere, FI;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/75 (2006.01);
U.S. Cl.
CPC ...
Abstract
An indicator that reacts with at least one gaseous compound in such a way that the color of the indicator is changed. The indicator is a layer formed on a substrate and including metallic silver and/or metallic copper.