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2 233 337

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IPC

(21) (22)

Application

2003128906/12, 2003-09-29

(24)

Start date

2003-09-29

(22)

Actual filing date

2003-09-29

(45)

Published

2004-07-27

(72)

Inventor

Chursin V.I.Mallashakhbanov Sh.A.

(73)

Holder

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

METHOD OF TREATING RAW HIDE Russian patent published in 2004 - IPC

Abstract RU 2233337 C1

FIELD: chemical treatment of raw hide.

SUBSTANCE: method includes the treatment of raw hide with a composition containing polyethylene polyamine, calcium hydroxide, sodium sulfide and nonionogenic surface-active substance.

EFFECT: enhanced quality of hide and decreased concentration of amino compounds in waste.

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RU 2 233 337 C1

Authors

Chursin V.I.

Mallashakhbanov Sh.A.

Dates

2004-07-27—Published

2003-09-29—Filed