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Heyden Chemical Corp

Heyden Che
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2441595A Process for producing chlorohydrins of polyhydric alcohols Expired / Lapsed 1944-11-30 1948-05-18 0 Details
US2441559A Luminescent coated articles Expired / Lapsed 1943-12-01 1948-05-18 0 Details
US2388235A Nitrogen-containing resins and process of exchanging anions… Expired / Lapsed 1941-07-03 1945-11-06 0 Details