Title:
酵素合成アミロースから得られる生分解性物品
Document Type and Number:
Japanese Patent JP4885408
Kind Code:
B2
Abstract:
The present invention provides a biodegradable article formed from enzyme-synthesized amylose using phosphorylase, wherein the enzyme-synthesized amylose is composed of glucose monomers exclusively bonded by alpha -1,4-glucosidic likage and has a weight average molecular weight of not less than 100 kDa, preferable not less than 600 kDa. The enzyme-synthesized amylose employed in the present invention has a molecular weight distribution (Mw/Mn) of not more than 1.25 and can be chemically modified if desired. The biodegradable article of the present invention can be produced by (a) the enzyme-synthesized amylose and/or its modified one, or a combination of the amylose (a) and another polymer material (b).
Inventors:
Shinichi Kitamura
Nobuo Shiraishi
Yoshioka Mariko
Kenichi Kudo
Shigetaka Okada
Takaba Takeshi
Kazutoshi Fujii
Yoshinobu Terada
Nobuo Shiraishi
Yoshioka Mariko
Kenichi Kudo
Shigetaka Okada
Takaba Takeshi
Kazutoshi Fujii
Yoshinobu Terada
Application Number:
JP2002512398A
Publication Date:
February 29, 2012
Filing Date:
July 17, 2001
Export Citation:
Assignee:
Ezaki Glico Co., Ltd.
Sanwa Kosan Co., Ltd.
Sanwa Kosan Co., Ltd.
International Classes:
C08B33/00; A61K9/48; A61K9/50; A61L15/28; A61L15/64; A61L24/00; A61L24/08; A61L27/00; A61L31/04; A61L31/14; C08B30/20; C08J5/18; C08L3/12; C08L3/14; C09D103/12; C09D103/14; C09J103/12; C09J103/14; C12P19/04; C08L101/16; C12P19/44
Domestic Patent References:
| JPH06343484A | 1994-12-20 | |||
| JPH07289278A | 1995-11-07 |
Foreign References:
| WO2000029477A1 | 2000-05-25 | |||
| WO1999002600A1 | 1999-01-21 |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Muneo Yamamoto