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Application

3024558/04, 1981-08-07

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Actual filing date

1981-08-07

(45)

Published

1995-04-10

(72)

Inventor

Lifshits Eh.B.Shagalova D.Ja.Podlesnykh V.N.Radovitskaja E.V.Ushanov G.G.Poljanskaja Eh.N.Rudakova L.N.Lopatina E.V.Dorokhina N.D.Kirenskaja L.I.

(73)

Holder

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

INGREDIENT OF DEVELOPING COMPOSITIONS Russian patent published in 1995 - IPC

Abstract RU 2032673 C1

FIELD: photography. SUBSTANCE: bis-quaternary salts of benzimidazole having common formula where n=1 or 2, B-H,CH3; B1-H,Cl; R-CH3 or C2H5; X is iodine, perchlorate or tosylate are proposed as ingredients for developing compositions. EFFECT: improves photosensitivity, decreases density of fog. 2 tbl

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RU 2 032 673 C1

Authors

Lifshits Eh.B.

Shagalova D.Ja.

Podlesnykh V.N.

Radovitskaja E.V.

Ushanov G.G.

Poljanskaja Eh.N.

Rudakova L.N.

Lopatina E.V.

Dorokhina N.D.

Kirenskaja L.I.

Dates

1995-04-10—Published

1981-08-07—Filed

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