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2 054 705

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C1

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IPC

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Application

4859130/04, 1990-08-13

(22)

Actual filing date

1990-08-13

(45)

Published

1996-02-20

(72)

Inventor

Kolesova T.B.Govorkov A.L.Gorjaev M.A.Usanov Ju.E.Gul'Kova I.M.Timokhina M.N.Beljaeva A.G.

(73)

Holder

Vserossijskij Nauchnyj Tsentr Opticheskij Institut Im.S.I.Vavilova"

METHOD OF PREPARING COMPOSITION FOR REGISTERING LAYER OF THERMODEVELOPING PHOTOMATERIAL Russian patent published in 1996 - IPC

Abstract RU 2054705 C1

FIELD: chemical-photography industry. SUBSTANCE: method involves the addition of aqueous solutions of silver nitrate and lithium bromide (by single-jet, in turn for 2-5 cycles) to the aqueous-alkaline silver stearate dispersion followed by dispersion washing with isopropanol, dispersion of prepared dispersion with phthalimide in the solution of polyvinylbutyral in isopropanol, chemical and optical sensitization and reducing agent addition. Photosensitivity level is increased from 6.0 to 20-50 rel. units. EFFECT: enhanced photosensitivity.

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RU 2 054 705 C1

Authors

Kolesova T.B.

Govorkov A.L.

Gorjaev M.A.

Usanov Ju.E.

Gul'Kova I.M.

Timokhina M.N.

Beljaeva A.G.

Dates

1996-02-20—Published

1990-08-13—Filed

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