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(19)

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1 005 577

(13)

(51)

IPC

(21) (22)

Application

3309637/04, 1981-07-03

(22)

Actual filing date

1981-07-03

(45)

Published

1999-01-20

(72)

Inventor

Korneva Eh.D.Petrov S.A.Levi S.M.Zhurin R.B.Dubrovin A.V.Kopeina A.D.Semenenko T.V.Savenkova E.A.Shevtsov V.I.Klimova N.V.

METHOD OF TANNING GELATIN AND SILVER HALIDE PHOTOGRAPHIC EMULSION LAYERS Russian patent published in 1999 - IPC

Abstract SU 1005577 A1

FIELD: light-sensitive materials. SUBSTANCE: method is accomplished by adding ethylene glycol glycidyl ethers to finished emulsion and is distinguished by supplementing emulsion with ethylene glycol monoglycidyl monopropylenechlorohydrin diether at molar ratio of the two ethers from 3:1 to 1: 5, respectively. To 1 kg of gelatin, 0.05-0.5 mole of ether mixture is added. EFFECT: improved physico- chemical properties of tanned layers.

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SU 1 005 577 A1

Authors

Korneva Eh.D.

Petrov S.A.

Levi S.M.

Zhurin R.B.

Dubrovin A.V.

Kopeina A.D.

Semenenko T.V.

Savenkova E.A.

Shevtsov V.I.

Klimova N.V.

Dates

1999-01-20—Published

1981-07-03—Filed