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999 801

(13)

A1

(51)

IPC

(21) (22)

Application

3250306/04, 1981-02-20

(22)

Actual filing date

1981-02-20

(45)

Published

1998-11-10

(72)

Inventor

Dubrovin A.V.Chizhova N.V.Petrov S.A.Khusid A.Kh.Trofimova T.A.Sorokina N.Ju.Semenenko T.V.

METHOD OF TANNING GELATIN EMULSION LAYERS Russian patent published in 1998 - IPC

Abstract SU 999801 A1

FIELD: light-sensitive materials. SUBSTANCE: method is distinguished by adding, as tanners, compounds with general formula X-(CH=CH)n-X, where X is CHO or CH(OC2H5)2 group, and n=2 or 3, in amounts 0.005 to 0.4 mole per 1 kg of air-dry gelatin. EFFECT: improved physico-mechanical properties of tanned layers.

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SU 999 801 A1

Authors

Dubrovin A.V.

Chizhova N.V.

Petrov S.A.

Khusid A.Kh.

Trofimova T.A.

Sorokina N.Ju.

Semenenko T.V.

Dates

1998-11-10—Published

1981-02-20—Filed

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