← Back to Companies

Chemical Foundation Inc

Chemical F
Active Patents
0
Total Holdings
9

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2291009A Production of diastatic material Expired / Lapsed 1938-07-27 1942-07-28 0 Details
US2225428A Recovery of unfermentable residues Expired / Lapsed 1938-07-26 1940-12-17 0 Details
US2138936A Apparatus for intravenous administration of fluids Expired / Lapsed 1936-01-15 1938-12-06 0 Details
US2025534A Electromotive thermometry Expired / Lapsed 1932-06-14 1935-12-24 0 Details
US1399510A Process of making tanning materials Expired / Lapsed 1916-03-14 1921-12-06 0 Details
US1395963A Method of and apparatus for forming glass tubes Expired / Lapsed 1919-05-19 1921-11-01 0 Details
US1392218A Machine for producing narrow paper strips Expired / Lapsed 1919-04-15 1921-09-27 0 Details
US1362066A Machine for making reinforced paper Expired / Lapsed 1917-03-27 1920-12-14 0 Details
US1350820A Alkyl ether of starches and similar carbohydrates and metho… Expired / Lapsed 1914-02-16 1920-08-24 0 Details