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. 12, 2006
Filed:
May. 07, 2001
Horst Berneth, Leverkusen, DE;
Ralf Neigl, Yorktown Heights, NY (US);
Igor Shelepin, Dolgoprudnyi, RU;
Vladimir Gavrilov, Dolgoprudnyi, RU;
Horst Berneth, Leverkusen, DE;
Ralf Neigl, Yorktown Heights, NY (US);
Igor Shelepin, Dolgoprudnyi, RU;
Vladimir Gavrilov, Dolgoprudnyi, RU;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
An electrochromic device comprising a pair of glass, plastic plates or plastic films At least one plate or film, is provided with an electrically conductive coating. At least one plate or film and its conductive coating are transparent and the other may be mirrored. The plates or films are joined together and form a volume filled with an electrochromic medium which comprises at least one reducible electrochromic substance OXand at least one oxidizable electrochromic substance RED. The OXcorresponds to the formula in which Rand R, each are alkyl, cycloalkyl, alkenyl, aralkyl, aryl, −[C(PQ)]or a bivalent bridge B, Zis a bivalent radical of the formulae CRR, O, C═O or o-phenylene, Rand R, each are hydrogen, methyl or ethyl, or CRRis C- to C-cycloalkane-1,1-diyl. The rings C, D, E and F, each may be substituted by up to 4 alkyl and/or alkoxy radicals, or respectively, may be linked via a —(CH)— or —CH═CH—CH═CH— bridge. P and Q, each are —CN or —COO-alkyl. X— is an anion.