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SU

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1 790 820

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A1

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IPC

(21) (22)

Application

4902360/04, 1990-11-20

(22)

Actual filing date

1990-11-20

(45)

Published

1995-04-10

(72)

Inventor

Burenichev A.M.Khruleva L.S.Uvarova N.V.Gordina T.A.Vakhtanova L.P.Terekhov P.V.Brattseva L.V.Kampar V.Eh.

(73)

Holder

Arendnaja Organizatsija Nauchno-Issledovatel'Skogo I Proektnogo Instituta Khimiko-Fotograficheskoj Promyshlennosti

HALOGEN-SILVER PHOTOGRAPHIC MATERIAL Russian patent published in 1995 - IPC

Abstract SU 1790820 A1

FIELD: chemical-photography industry. SUBSTANCE: halogen-silver material consists of backing, emulsion layer and gelatinous protective layer. In emulsion and/or protective layer photomaterial has additionally the compound of the general formula (I) where R - H or -SO3H; R1= , or the formula (II) Concentration of these compounds is (8-120) x (8-120)·104 mole/mole AgHal at the ratio of gelatin mass to metallic silver mass in light-sensitive layer ρ = 0,8-1,5. EFFECT: decreased level of fog, increased coefficient of contrast degree and photographic with. 2 tbl

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SU 1 790 820 A1

Authors

Burenichev A.M.

Khruleva L.S.

Uvarova N.V.

Gordina T.A.

Vakhtanova L.P.

Terekhov P.V.

Brattseva L.V.

Kampar V.Eh.

Dates

1995-04-10—Published

1990-11-20—Filed

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