Title:
低減された色数を有するジフェニルメタンジイソシアネート系ポリイソシアネートの製造方法
Document Type and Number:
Japanese Patent JP4314631
Kind Code:
B2
Inventors:
Mitsuhiro Yoshida
Application Number:
JP2002321277A
Publication Date:
August 19, 2009
Filing Date:
November 05, 2002
Export Citation:
Assignee:
Nippon Polyurethane Industry Co., Ltd.
International Classes:
C07C263/18; C07C263/10; C07C265/14; C08G18/76
Domestic Patent References:
| JP4211641A | ||||
| JP4253952A | ||||
| JP6234724A | ||||
| JP7233136A | ||||
| JP7082230A |
Other References:
J.Elastomers Plast.,1983年,15(1),p.33-42