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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0230724
Kind Code:
B2
Inventors:
HAMADA AKIRA
OOHIRA KEIICHI
Application Number:
JP8744881A
Publication Date:
July 09, 1990
Filing Date:
June 09, 1981
Export Citation:
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Assignee:
KUREHA CHEMICAL IND CO LTD
International Classes:
B01J20/24; B01D39/14; B01J20/16; C10G25/00; C10G31/11; C10M175/06; C11B3/10; C10N40/08; C10N40/16; C10N40/22; C10N40/25