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American Oil Co

American O
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2960462A Dual film combinations for membrane permeation Expired / Lapsed 1957-09-30 1960-11-15 3 Details
US2956070A Organic chemical reactions involving liberation of water Expired / Lapsed 1958-04-29 1960-10-11 2 Details
US2947687A Separation of hydrocarbons by permeation membrane Expired / Lapsed 1954-10-29 1960-08-02 2 Details