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2 134 297

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IPC

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Application

98118390/12, 1998-10-09

(24)

Start date

1998-10-09

(22)

Actual filing date

1998-10-09

(45)

Published

1999-08-10

(72)

Inventor

Chursin V.I.

(73)

Holder

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

METHOD OF TREATING LEATHER STOCK Russian patent published in 1999 - IPC

Abstract RU 2134297 C1

FIELD: chemical industry. SUBSTANCE: leather stock is subjected to enzymic washing and treatment with organic acid at acid consumption of 1.0-3.0 % based on weight of stock. Enzyme is amyloprotoorizine in amount of 1.0-8.0% based on weight of stock. EFFECT: improved quality of leathers and simplified method. 5 ex, 1 tbl

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RU 2 134 297 C1

Authors

Chursin V.I.

Dates

1999-08-10—Published

1998-10-09—Filed

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