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. 04, 2012
Filed:
Dec. 18, 2009
Applicants:
Simona Percec, Philadelphia, PA (US);
Joel M. Pollino, Elkton, MD (US);
Inventors:
Simona Percec, Philadelphia, PA (US);
Joel M. Pollino, Elkton, MD (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); H01B 1/00 (2006.01); H01B 1/12 (2006.01); G02F 1/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are electrochromic materials containing a film-forming polymer with a Tless than 100° C.; a plasticizer; an electrochromophore; an electron mediator; and a salt. Also disclosed are electrochromic devices using such electrochromic materials that can provide light-filtering, color-modulation, or reflectance-modulation in variable transmittance windows, variable-reflectance mirrors and other dynamic glazing applications.