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2 198 223

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IPC

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Application

2002109764/12, 2002-04-16

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Start date

2002-04-16

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Actual filing date

2002-04-16

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Published

2003-02-10

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Inventor

Chursin V.I.

(73)

Holder

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

METHOD OF PREPARING METAL-CONTAINING SYNTHETIC TANNER Russian patent published in 2003 - IPC

Abstract RU 2198223 C1

FIELD: leather and fur industries. SUBSTANCE: metal-containing synthetic tanner is prepared by polycondensation of amino compound with formaldehyde, and tanning-active metal salt in aqueous medium in presence of lignosulfonates. EFFECT: simplified process and enlarged assortment of tanning agents. 1 tbl, 5 ex

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RU 2 198 223 C1

Authors

Chursin V.I.

Dates

2003-02-10—Published

2002-04-16—Filed

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