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2 129 162

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C1

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IPC

(21) (22)

Application

98113811/12, 1998-07-23

(22)

Actual filing date

1998-07-23

(45)

Published

1999-04-20

(72)

Inventor

Chursin V.I.

(73)

Holder

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

METHOD OF PREPARING SYNTHETIC TANNER Russian patent published in 1999 - IPC

Abstract RU 2129162 C1

FIELD: leather industry. SUBSTANCE: synthetic tanner for manufacturing various-destination leathers is prepared by mixing, at pH 3.5-4.5, an amino compound, exhausted biocatalyst sludge in acrylamide production, an aldehyde, and water. EFFECT: improved tanning quality. 2 tbl

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RU 2 129 162 C1

Authors

Chursin V.I.

Dates

1999-04-20—Published

1998-07-23—Filed

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