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2 157 410

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IPC

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Application

99125903/12, 1999-12-09

(24)

Start date

1999-12-09

(22)

Actual filing date

1999-12-09

(45)

Published

2000-10-10

(72)

Inventor

Chursin V.I.

(73)

Holder

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

METHOD OF MANUFACTURING LEATHER WITH TIGHTENED FACE SURFACE Russian patent published in 2000 - IPC

Abstract RU 2157410 C1

FIELD: leather industry. SUBSTANCE: offal is washed in presence of 1.0-5.0% of formaldehyde-urea condensation product, after which skin is deashed, softened, pickled, and subjected to chrome tannage. EFFECT: improved leather quality. 1 tbl, 5 ex

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RU 2 157 410 C1

Authors

Chursin V.I.

Dates

2000-10-10—Published

1999-12-09—Filed

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