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2 164 533

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(51)

IPC

(21) (22)

Application

2000116222/12, 2000-06-26

(24)

Start date

2000-06-26

(22)

Actual filing date

2000-06-26

(45)

Published

2001-03-27

(72)

Inventor

Chursin V.I.Upine A.M.Smyslov A.V.

(73)

Holder

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

METHOD OF MANUFACTURING LEATHER FROM CATTLE STOMACHS Russian patent published in 2001 - IPC

Abstract RU 2164533 C1

FIELD: leather industry. SUBSTANCE: raw material is washed, limed with 3-5% lime of the weight of raw material for 10-12 h, de-ashed with 2-3% of ammonium sulfate, tanned with 8-12% of tanning agent for 3-4 h, dyed, and greased. EFFECT: improved strength characteristics of leather. 1 tbl, 5 ex

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RU 2 164 533 C1

Authors

Chursin V.I.

Upine A.M.

Smyslov A.V.

Dates

2001-03-27—Published

2000-06-26—Filed