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2 043 421

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Application

93016342/12, 1993-03-30

(22)

Actual filing date

1993-03-30

(45)

Published

1995-09-10

(72)

Inventor

Pustyl'Nik Ja.I.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti"

PROCESS FOR FINISHING LEATHER Russian patent published in 1995 - IPC

Abstract RU 2043421 C1

FIELD: leather industry. SUBSTANCE: in a process for finishing leather, depilated hide is pickled with sulfuric acid, its amount being 1.5-1.7% by weight of depilated hide, and with ammonium sulfate, in the presence of potassium alum, chromized and tanned with basic zirconium sulfate of the formula: Zr(OH)y(SO4)x nH2O in which x is 0.6-0.8; y is 1-2x; n is 1-10. EFFECT: more efficient leather finishing process. 2 tbl

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RU 2 043 421 C1

Authors

Pustyl'Nik Ja.I.

Dates

1995-09-10—Published

1993-03-30—Filed

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