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:
Sep. 29, 2009
Filed:
Jun. 30, 2005
Applicants:
Mouhcine Kanouni, New York, NY (US);
Simon Lord, Wilmington, DE (US);
Nancy Cliff, Ringwood, NJ (US);
Inventors:
Mouhcine Kanouni, New York, NY (US);
Simon Lord, Wilmington, DE (US);
Nancy Cliff, Ringwood, NJ (US);
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/02 (2006.01); F21V 9/08 (2006.01); G02F 1/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are compositions, which are stabilized against degradation and yellowing during exposure to ultraviolet light by the presence of certain hindered amine additives, a method of stabilizing the compositions by the addition of said additives, to the use of such compositions as media in electroactive devices such as electrochromic and electrophoteric devices, and the electroactive devices comprised of these media.