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Champion International Corp

Champion I
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
USD259401S Carton blank Expired / Lapsed 1978-10-27 1981-06-02 1 Details
US4157983A Process for production of encapsulated water-dispersible ma… Expired / Lapsed 1977-07-28 1979-06-12 11 Details
US4094187A Stack gas analyzing system with calibrating/sampling feature Expired / Lapsed 1977-07-22 1978-06-13 25 Details
US4032483A Manufacture of polyurethanes from bark Expired / Lapsed 1976-04-20 1977-06-28 11 Details
US3886084A Microencapsulation system Expired / Lapsed 1971-08-23 1975-05-27 28 Details