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2 061 966

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C1

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IPC

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Application

3189340/04, 1987-12-17

(22)

Actual filing date

1987-12-17

(45)

Published

1996-06-10

(72)

Inventor

Zhurba Ju.I.Vladychenko O.V.Cherednikova G.E.Okhtina M.A.Lifshits Eh.B.Kirenskaja L.I.Ljubich M.S.

(73)

Holder

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

DEVELOPING COMPOSITION FOR BLACK AND WHITE HALOGEN-SILVER PHOTOGRAPHIC MATERIALS Russian patent published in 1996 - IPC

Abstract RU 2061966 C1

FIELD: chemical-photographic industry. SUBSTANCE: developing composition contains, g/l: ethylenediamine,N,N,N′,N′-tetraacetic acid disodium salt 2←_0.1; hydroquinone 8-12; metol 6-8; methylphenidone 0.8-1.6; sodium sulfite 40-120; sodium carbonate 30-50; potassium bromide 3-6; 3, 3′-dimethylene-bis-(1-ethyl-5-chlorobenzimidazolium) dibromide 0.005+ -0.02; 1-phenyl-5-mercaptotetrazole 0.003+ -0.015, and water up to 1 l. EFFECT: improved quality of composition. 1 tbl

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RU 2 061 966 C1

Authors

Zhurba Ju.I.

Vladychenko O.V.

Cherednikova G.E.

Okhtina M.A.

Lifshits Eh.B.

Kirenskaja L.I.

Ljubich M.S.

Dates

1996-06-10—Published

1987-12-17—Filed

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