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1 786 952

(13)

A1

(51)

IPC

(21) (22)

Application

4885817/04, 1990-11-27

(22)

Actual filing date

1990-11-27

(45)

Published

1995-06-09

(72)

Inventor

Sidorova T.V.Prosalova N.A.Savos'Ko A.I.Moiseeva O.V.Shchelkina L.P.Khajrusova R.Kh.

METHOD FOR PREPARING TO FLUSHING FINELY DISPERSED IODINE-BROMINE-SILVER PHOTOGRAPHIC EMULSION Russian patent published in 1995 - IPC

Abstract SU 1786952 A1

FIELD: photography. SUBSTANCE: dye having formula where R-H(I,II,IV), C2H5 (III); R1-C2H5 (I-III), C4H9 (IV); R2-H (I,II,IV), Cl(III); R3-C2H5 (III); (CH2)3SO-3

(I,II, IV), Hal-Cl (I-III), Br(IV); X-I (III); is added into emulsion as spectral sensitizer up to 530 nm, its quantity being 1,5-8,1·10-4mole/mole of silver. EFFECT: improves quality of desired emulsion. 1 tbl

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SU 1 786 952 A1

Authors

Sidorova T.V.

Prosalova N.A.

Savos'Ko A.I.

Moiseeva O.V.

Shchelkina L.P.

Khajrusova R.Kh.

Dates

1995-06-09—Published

1990-11-27—Filed

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