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Donaldson & Co.
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Minneapolis, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Composite membrane with highly crystalline porous support
Patent number
6,110,333
Issue date
Aug 29, 2000
E. I. Du Pont de Nemours and Company
Jeffrey E. Spethmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR