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1 356 799

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A1

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Application

3939485/04, 1985-06-11

(22)

Actual filing date

1985-06-11

(45)

Published

1994-10-15

(72)

Inventor

Kukalenko S.S.Barman I.V.Kaplan G.I.Krestovnikova T.I.Monich N.V.Myl'Tseva V.A.Sennikova N.I.Sokolovskaja I.N.Trubnikova A.A.Ulanova T.A.Shestakova S.I.

STABILIZER FOR HALOGEN-SILVER PHOTOGRAPHIC EMULSIONS Russian patent published in 1994 - IPC

Abstract SU 1356799 A1

FIELD: chemical industry, photography. SUBSTANCE: more particularly the use of a stabilizer for halogen-silver photographic emulsions, complex nickel or calcium salts with an organic ligant of the general formula: AmMCl2·nH2O wherein (a) M-Ni; A is a group of the group Cl3C-(CH2)4-N-CH=N-CH-N; m= n= 2; (b) M-Ca; A is a group of the formula: NH-C(O)-(CH2)3; m is 2; n is 1. Said complexes in black-and-white halogen-silver negative film photoemulsion (its composition (wt %): 1.8 gelatin; 21 KB and K1; and AgNO3, the balance) provide not only a stabilizing effect at high temperature and moisture content for 6 months, but also a sensitizing effect. The sensitivity of the photofilm is improved by 5-25 %. EFFECT: improved properties of the stabilizer. 6 tbl

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SU 1 356 799 A1

Authors

Kukalenko S.S.

Barman I.V.

Kaplan G.I.

Krestovnikova T.I.

Monich N.V.

Myl'Tseva V.A.

Sennikova N.I.

Sokolovskaja I.N.

Trubnikova A.A.

Ulanova T.A.

Shestakova S.I.

Dates

1994-10-15—Published

1985-06-11—Filed

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