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2 065 461

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IPC

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Application

3102761/04, 1984-12-13

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Actual filing date

1984-12-13

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Published

1996-08-20

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Inventor

Lifshits Eh.B.Formina L.V.Kirenskaja L.I.Ljubich M.S.Shagalova D.Ja.Jashukova L.N.Al'Perovich M.A.Ratner I.M.Evstigneeva T.M.

(73)

Holder

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

BIS-(3,3'-DI-γ-SULFOPROPYL-9-ALKYLTHIOCARBOCYANINE-BETAINE AND 3,3'-[1'',2''-DI-(ETHOXY)-ETHYLENE]-BIS-(1-ETHYLBENZIMIDAZOLIUM) SALTS AS SPECTRAL SENSITIZING AGENTS OF BROMINE-IODINE-SILVER PHOTOGRAPHIC EMULSIONS Russian patent published in 1996 - IPC

Abstract RU 2065461 C1

FIELD: chemical-photography industry. SUBSTANCE: product: new sensitizing agents - bis-(3,3'-di-g-sulfopropyl-9-alkylthiocarbocyanine-betaine) and 3,3'-[1'', 2''-di-(ethoxy)-ethylene] -bis-(1-ethylbenzimidazolium) salts exhibiting sensitization maximum at 580-650 nm. These substances were used for synthesis of spectral sensitizing agents of bromine-iodine-silver photographic emulsions. EFFECT: improved method of synthesis. 2 tbl

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RU 2 065 461 C1

Authors

Lifshits Eh.B.

Formina L.V.

Kirenskaja L.I.

Ljubich M.S.

Shagalova D.Ja.

Jashukova L.N.

Al'Perovich M.A.

Ratner I.M.

Evstigneeva T.M.

Dates

1996-08-20—Published

1984-12-13—Filed

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