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:
Oct. 16, 2012
Filed:
Sep. 24, 2009
Applicants:
Andreas Kanitz, Höchstadt, DE;
Wolfgang Roth, Uttenreuth, DE;
Inventors:
Andreas Kanitz, Höchstadt, DE;
Wolfgang Roth, Uttenreuth, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/15 (2006.01); G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Formulations are used in organically based electrochromic components, e.g. for producing displays and/or state indicators having a longer service life. The service life is increased by end-capping the 4,4'-bipyridinium salt.