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Application

4832580/04, 1990-05-31

(22)

Actual filing date

1990-05-31

(45)

Published

1995-02-09

(72)

Inventor

Shapiro B.I.Vakar A.G.Mikheeva L.I.Slominskij Ju.L.Gromova G.A.Poloznikov A.I.Myl'Tseva V.A.Jurchenko V.G.Pinchuk A.M.

METHOD OF SPECTRAL SENSITIZING SILVER BROMID-IODINE PHOTOGRAPHIC EMULSIONS Russian patent published in 1995 - IPC

Abstract SU 1780427 A1

FIELD: chemical-photographic industry. SUBSTANCE: method involves providing silver bromid-iodine emulsion with a microcrystal size of 0.27-0.22 mcm, content of Agl of 3.0pBr = /,8 ± 0,010.1 mol.% pBr= 7.85·10-4-1·10-30.01, pH= 6.5CH30.01 sensitized with phenyl-di-(p-anisyl)phosphine or with phenyl-bis-(2-phenylethynyl)-1-phosphine in the amounts of M/M and with a dye of formula given in the invention description where A=H, in the amounts of (18-32)(18-32)·10-6 M/M AgHal and introducing C,n-diphenylntiron. EFFECT: enhanced resolution. 1 tbl

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SU 1 780 427 A1

Authors

Shapiro B.I.

Vakar A.G.

Mikheeva L.I.

Slominskij Ju.L.

Gromova G.A.

Poloznikov A.I.

Myl'Tseva V.A.

Jurchenko V.G.

Pinchuk A.M.

Dates

1995-02-09—Published

1990-05-31—Filed

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