Title:
COMPOSITION FOR TREATING POROUS ARTICLE, TREATMENT METHOD, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/1998/024890
Kind Code:
A1
Abstract:
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.
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Inventors:
ECHIGO TAKASHI (JP)
OHNO RITSUKO (JP)
OHNO RITSUKO (JP)
Application Number:
PCT/JP1997/003798
Publication Date:
June 11, 1998
Filing Date:
October 21, 1997
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
ECHIGO TAKASHI (JP)
OHNO RITSUKO (JP)
ECHIGO TAKASHI (JP)
OHNO RITSUKO (JP)
International Classes:
B27K3/00; B27K3/02; B27K3/34; B27K3/52; B27K7/00; C08H6/00; C08H7/00; C12N9/02; C12N9/96; (IPC1-7): C12N9/02
Domestic Patent References:
| WO1995001426A1 | 1995-01-12 | |||
| WO1987002939A1 | 1987-05-21 |
Foreign References:
| JPH07126377A | 1995-05-16 | |||
| JPH07126354A | 1995-05-16 | |||
| JPH06316874A | 1994-11-15 | |||
| JPH06287516A | 1994-10-11 | |||
| JPH05117591A | 1993-05-14 | |||
| EP0197908A1 | 1986-10-15 |
Other References:
JOURNAL OF BIOTECHNOLOGY, (1990), Vol. 13, RITTER D. et al., "Polymerization and Depolymerization of Lignosulfonate by Phanerochaete Chrysosporium Immobilized on Foam", pages 229-241.
Attorney, Agent or Firm:
Ohie, Kunihisa (Horiguchi No. 2 Building 7F 2-6,
Nihonbashi-Ningyocho 2-chom, Chuo-ku Tokyo 103, JP)
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