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US 2010/0073754 A1Published application
Ultraviolet light stabilizing compounds and associated media and devices
AssigneeGentex Corporation
InventorKelvin L. Baumann
Life of this patent
Estimating the term…
Abstract
An electrochromic device including a first substantially transparent substrate having an electrically conductive material associated therewith, a second substrate having an electrically conductive material associated therewith, and an electrochromic medium including at least one solvent, at least one anodic electroactive material, at least one cathodic electroactive material, wherein at least one of the anodic and cathodic electroactive materials is electrochromic, and one or more ultraviolet light stabilizing compounds including a substituted diaroyl or unsubstituted diaroyl resorcinol.
Claims20
(canceled)
An electrochromic medium for use in an electrochromic device, comprising:
- at least one solvent;
- at least one anodic electroactive material;
- at least one cathodic electroactive material;
- wherein at least one of the anodic and cathodic electroactive materials is electrochromic;
- and
- an ultraviolet light stabilizing compound selected from the group consisting of formulae I, II, III, IV, V, VI and combinations thereof;
- wherein formula I is:
- wherein R1-R4 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 50 carbon atom(s), wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer:
- a linkage to an oligomer;
- and/or a linkage to a polymer;
- with the proviso that at least two of R1-R4 are the same or different and comprise an aroyl group containing approximately 6 to approximately 25 carbon atom(s);
- wherein formula II is:
- wherein R1-R12 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 25 carbon atom(s), wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer;
- a linkage to an oligomer;
- and/or a linkage to a polymer;
- wherein formula III is:
- wherein R1-R12 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 25 carbon atom(s). wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer;
- a linkage to an oligomer;
- and/or a linkage to a polymer;
- wherein formula IV is:
- wherein R1-R14 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 25 carbon atom(s), wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer;
- a linkage to an oligomer;
- and/or a linkage to a polymer;
- wherein formula V is:
- wherein R1-R14 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 25 carbon atom(s), wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer;
- a linkage to an oligomer;
- and/or a linkage to a polymer;
- and
- wherein formula VI is:
- wherein R1-R16 are the same or different and comprise H;
- OH;
- an alkyl, cycloalkyl, polycycloalkyl, heterocycloalkyl, aryl, alkaryl, aralkyl, alkoxy, alkoyl, aroyl, alkenyl, alkynyl and/or cyano group containing approximately 1 to approximately 25 carbon atom(s), wherein the carbon atom(s) may be a linking group to, or part of, a halogen, a N, O, and/or S containing moiety, and/or one or more functional groups comprising alcohols, esters, ammonium salts, phosphonium salts, and combinations thereof;
- a linkage to a dimer;
- a linkage to an oligomer;
- and/or a linkage to a polymer.
47 more elements
(canceled)
Dependencies are inferred from the claim text.