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Kuraray Co Ltd
Kuraray Co
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US4664669A
Composite hollow fiber-type separation membranes, processes…
Expired / Lapsed
1984-02-28
1987-05-12
3
Details
US3664979A
Polyurethane elastomer and method for preparation of same
Expired / Lapsed
1969-12-15
1972-05-23
11
Details