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2 466 173

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IPC

C09K9/02(2006-01-01)

C07D311/92(2006-01-01)

C07D491/107(2006-01-01)

G02C7/10(2006-01-01)

(21) (22)

Application

2011120041/05, 2011-05-19

(24)

Start date

2011-05-19

(22)

Actual filing date

2011-05-19

(45)

Published

2012-11-10

(72)

Inventor

Ostrovskij Mikhail Arkad'EvichMinkin Vladimir IsaakovichLuk'Janov Boris SergeevichMukhanov Evgenij LeonidovichFel'Dman Tat'Jana Borisovna

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Obrazovanija I Nauki Rossijskoj Federatsii Rossii)Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Biokhimicheskoj Fiziki Im. N.M Ehmanuehlja Rossijskoj Akademii Nauk Ran)

LIGHT-SENSITIVE COMPOSITION FOR LIGHT FILTERS FOR PROTECTIVE AND PREVENTIVE PURPOSES Russian patent published in 2012 - IPC C09K9/02 C07D311/92 C07D491/107 G02C7/10

Abstract RU 2466173 C1

FIELD: physics.

SUBSTANCE: light-sensitive composition contains 2,2-n-dianisyl-5,6-benzo-[2H]-chromene and 1,3,3-trimethyl-6'-formyl-8'-allyl-spiro-indoline-2,2'-[2H]-chromene in molar ratio 1:0.8-1.6, respectively. Photochromic polymer materials obtained from said composition have optimum optical properties needed to satisfy physiologically based requirements for protective and preventive optical materials: when illuminated with daylight, they "cut" off the spectral region from 400 to 555 nm, while keeping intensity of light incident on eyes with wavelength greater than 555 nm at a level of less than 30%, and in conditions of low-intensity dusk illumination provide full transmission of light with wavelength greater than 400 nm.

EFFECT: protecting eyes and preventing ophthalmic diseases associated with the damaging effect of optical radiation in the visible spectrum.

5 dwg, 3 ex

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RU 2 466 173 C1

Authors

Ostrovskij Mikhail Arkad'Evich

Minkin Vladimir Isaakovich

Luk'Janov Boris Sergeevich

Mukhanov Evgenij Leonidovich

Fel'Dman Tat'Jana Borisovna

Dates

2012-11-10—Published

2011-05-19—Filed