发明名称 |
ENZYMATIC UNHAIRING AGENT FOR USE IN TANNING FOR PRODUCING LEATHER AND METHOD FOR ENZYMATIC UNHAIRING TREATMENT |
摘要 |
<p>The invention provides an enzymatic unhairing agent for use in an unhairing step in tanning for producing leather comprising an alkaline protease as an active component; a treatment solution comprising a pH-adjusting agent and the enzymatic unhairing agent; a method for enzymatic unhairing treatment in tanning for producing leather comprising contacting the treatment solution with a raw hide or skin; and a leather thus produced. According to the invention, it is attained markedly reduction of the pollution load in the unhairing waste water and leather and recovered hairs both of good quality can be obtained.</p> |
申请公布号 |
EP1304389(A1) |
申请公布日期 |
2003.04.23 |
申请号 |
EP20000979100 |
申请日期 |
2000.12.05 |
申请人 |
DAIWA KASEI KABUSHIKI KAISHA |
发明人 |
SHIMIZU, YASUHIRO;SUGIYAMA, ATSUSHI;OHTA, AKIRA |
分类号 |
C12N9/52;C12R1/465;C14C1/06;(IPC1-7):C14C1/06 |
主分类号 |
C12N9/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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