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. 15, 2020
Filed:
Mar. 09, 2016
Applicant:
Gentex Corporation, Zeeland, MI (US);
Inventor:
Kelvin L. Baumann, Holland, MI (US);
Assignee:
GENTEX CORPORATION, Zeeland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/15 (2019.01); C08K 5/3465 (2006.01); C08K 5/3432 (2006.01); C09K 9/02 (2006.01); G02F 1/1523 (2019.01); G02F 1/1516 (2019.01); G02F 1/1514 (2019.01);
U.S. Cl.
CPC ...
C08K 5/3465 (2013.01); C08K 5/3432 (2013.01); C09K 9/02 (2013.01); G02F 1/1508 (2013.01); G02F 1/1523 (2013.01); C08K 2201/019 (2013.01); G02F 1/15165 (2019.01); G02F 2001/15145 (2019.01); G02F 2001/164 (2019.01);
Abstract
An electrochromic thermoplastic composition includes about 10 wt % to about 60 wt % a poly(vinyl alcohol), a poly(acrylic acid), a poly(acrylic acid) salt, a polyaniline salt, a poly(diallyl dimethyl ammonium chloride), a poly(ethylene-co-acrylic acid), a co-polymer of any two or more thereof, or a mixture of any two or more thereof; about 40 wt % to about 90 wt % of a protic solvent; and at least one electroactive material; wherein the composition does not include lithium chloride, tetrabutylammonium bromide, lithium bis(trifluoromethanesulfonyl)imide, lithium triflate, and lithium hexafluorophosphate.