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2 130 630

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C1

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IPC

(21) (22)

Application

97122000/04, 1997-12-18

(22)

Actual filing date

1997-12-18

(45)

Published

1999-05-20

(72)

Inventor

Gavrilov V.I.Shelepin I.V.

(73)

Holder

Gavrilov Vladimir IvanovichShelepin Igor' Viktorovich

ELECTROCHROMIC COMPOSITION Russian patent published in 1999 - IPC

Abstract RU 2130630 C1

FIELD: image generation materials. SUBSTANCE: electrochromic composition appropriate for use in various- destination displays, auto-car rear-view mirrors, and in windows of residential and industrial buildings contains, wt %: quaternary dipyridinium or its derivative salt with following anions: ClO-4

, BF-4
, [C2B9H12]-, [(C6H5)3CNB]-, 0.7- 3.0; ferrocene or its derivative, 0.2-1.0; ferricinium or its derivative salt, 0.002-0.060; propylene carbonate or gamma- butyrolactone, the balance. Compositions possess increased stability and uniformity of electrically colored state. EFFECT: expanded possibilities of electrochromic devices. 3 cl, 13 ex

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RU 2 130 630 C1

Authors

Gavrilov V.I.

Shelepin I.V.

Dates

1999-05-20—Published

1997-12-18—Filed

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