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2 113 493

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C1

(51)

IPC

(21) (22)

Application

97112824/12, 1997-07-28

(22)

Actual filing date

1997-07-28

(45)

Published

1998-06-20

(72)

Inventor

Chursin V.I.L'Vova A.N.

(73)

Holder

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

METHOD OF LEATHER MAKING Russian patent published in 1998 - IPC

Abstract RU 2113493 C1

FIELD: leather industry. SUBSTANCE: semifinished product is subjected for neutralization, staining and filling. Filling is carried out with acrylamide at amount 0.5-3.0% of semifinished product mass (as measured for dry matter) in the presence of potassium persulfate. The latter is taken at amount 0.1-0.5% of semifinished product mass. Then treatment with chrome tanning agent and greasing are carried out. Method can be used for making leather for different aims. EFFECT: improved quality of leather. 1 tbl

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RU 2 113 493 C1

Authors

Chursin V.I.

L'Vova A.N.

Dates

1998-06-20—Published

1997-07-28—Filed

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