公开(公告)号：EP0953634B1

公开(公告)日：2006-06-07

申请号：EP97944193.8

申请日：1997-10-21

申请人： SDS Biotech K.K.

发明人： ECHIGO, Takashi, Showa Denko K.K. ,  OHNO, Ritsuko, Shoko Co., Ltd.

IPC分类号： C12N9/02 ,  C08G65/44

CPC分类号： B27K3/002 ,  B27K7/00 ,  C12N9/0057

摘要： A method for treating a porous article by efficiently increasing the molecular weights of an enzyme having a polyphenol oxidation activity in an alkaline pH region, a phenolic compound and/or an aromatic amine compound in a porous article; a composition for use in the above method, and a treated porous article having imparted or improved strength, abrasion resistance, weather resistance, rust resistance, flame retardancy, antimicrobial property, preservative property, germicidal property, insecticidal property, insect repellency, antiviral property, biological repellency, adhesion, sustained release of chemicals, coloring, dimensional stability, cracking resistance, deodorant property, deoxygenation, humidification, water absorption, water repellency, surface smoothness, biological affinity, ion exchange property, formaldehyde absorption, chemical leaching prevention, and prevention of an inorganic compound from migrating onto the surface of the porous article.