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2 083 673

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C1

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IPC

(21) (22)

Application

95117417/12, 1995-10-12

(22)

Actual filing date

1995-10-12

(45)

Published

1997-07-10

(72)

Inventor

Chursin V.I.L'Vova A.N.Kunts M.I.Shlyk G.G.Krivosheeva N.A.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti

METHOD OF LEATHER WORKING Russian patent published in 1997 - IPC

Abstract RU 2083673 C1

FIELD: working of leathers of various assortments. SUBSTANCE: treatment of leathers with chromium-containing protein hydrolyzate in the presence of amino compound for 1-2 h after chrome tannage with consumption of protein and amino compound, respectively, of 3.5-10.0% of mass of shaved leather, in terns of dry residue, and 1.5-4.0% of mass of shaved leather. Treatment with bridging agent is carried out for 1-2 h with agent amount of 1-4% of mass of shaved leathers. EFFECT: higher efficiency. 1 tbl

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RU 2 083 673 C1

Authors

Chursin V.I.

L'Vova A.N.

Kunts M.I.

Shlyk G.G.

Krivosheeva N.A.

Dates

1997-07-10—Published

1995-10-12—Filed

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