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2 184 785

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IPC

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Application

2001127953/12, 2001-10-16

(24)

Start date

2001-10-16

(22)

Actual filing date

2001-10-16

(45)

Published

2002-07-10

(72)

Inventor

Vinitskij B.D.Lebedev O.P.Studenikin S.I.Jakovlev K.P.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti

METHOD OF MANUFACTURING NATURAL LEATHERS Russian patent published in 2002 - IPC

Abstract RU 2184785 C1

FIELD: leather industry. SUBSTANCE: method includes chrome tanning, retannage, of intermediate product by chrome tanner, neutralization in presence of greasing emulsion in amounts 1.5-2.9% of the weight of intermediate product, filling with methacrylic acid/acrylonitrile copolymer ((40-60): (40-60)), retannage with vegetable tanner, dyeing, and greasing. EFFECT: improved consumer's quality. 1 tbl, 5 ex

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RU 2 184 785 C1

Authors

Vinitskij B.D.

Lebedev O.P.

Studenikin S.I.

Jakovlev K.P.

Dates

2002-07-10—Published

2001-10-16—Filed

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