Title:
掘削安定液の調製方法
Document Type and Number:
Japanese Patent JP4107909
Kind Code:
B2
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Inventors:
Oi Jin City
Makoto Kimura
Atsushi Motoyama
Keiichi Nakamoto
Makoto Kimura
Atsushi Motoyama
Keiichi Nakamoto
Application Number:
JP2002232057A
Publication Date:
June 25, 2008
Filing Date:
August 08, 2002
Export Citation:
Assignee:
Tell Night Co., Ltd.
Nippon Shokubai Co., Ltd.
Nippon Shokubai Co., Ltd.
International Classes:
C09K8/24; E02D5/18; C09K8/03; E02D5/20; E02D5/34; E21B21/00; E21D9/13
Domestic Patent References:
| JP1103691A | ||||
| JP2000212551A | ||||
| JP200181448A |
Attorney, Agent or Firm:
Yasuo Yasutomi
Takanori Tamai
Takanori Tamai