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Winthrop Chemical Co Inc

Winthrop C
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2346632A Organic disinfecting agent in a special form Expired / Lapsed 1940-05-07 1944-04-11 0 Details
US2050558A Stable hormone dry preparations in a solid condition and a … Expired / Lapsed 1934-03-16 1936-08-11 0 Details