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:
Nov. 19, 2013
Filed:
Jun. 22, 2011
Applicants:
Johanna Knyrim, Munich, DE;
Stefan Dick, Weichering, DE;
Inventors:
Johanna Knyrim, Munich, DE;
Stefan Dick, Weichering, DE;
Assignee:
Sud-Chemie IP GmbH & Co. KG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosed invention is a composition for a humidity indicating device comprising Furthermore, the invention relates to a humidity indicator device comprising a sheet substrate and the composition for a humidity indicating device containing no heavy metals or halogen compounds, and to a process for preparing said humidity indicator device.