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Browse, filter, and analyze 46 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
GB495830A Method of treating textile fibrous materials IG Farbenindustrie AG Expired / Lapsed 1937-05-18 โ€” 1957-05-18 0.0 yrs 0
GB418469A Improvements in the manufacture and production of polymerisation products IG Farbenindustrie AG Expired / Lapsed 1933-11-13 โ€” 1953-11-13 0.0 yrs 0
GB477889A Improvements in water-proofing textile materials IG Farbenindustrie AG Expired / Lapsed 1936-06-05 โ€” 1956-06-05 0.0 yrs 0
GB465520A Manufacture of polymerisation products IG Farbenindustrie AG Expired / Lapsed 1935-10-03 โ€” 1955-10-03 0.0 yrs 0
GB493288A Manufacture of substitutes for wool from viscose IG Farbenindustrie AG Expired / Lapsed 1937-04-02 โ€” 1957-04-02 0.0 yrs 0
GB317770A Improvements in the manufacture of etherified polyhydric alcohols and derivatives thereof IG Farbenindustrie AG Expired / Lapsed 1928-03-19 โ€” 1948-03-19 0.0 yrs 0
GB435557A Improvements in insulating electrical conductors IG Farbenindustrie AG Expired / Lapsed 1934-03-21 โ€” 1954-03-21 0.0 yrs 0
GB495067A Improvements in or relating to injection syringes IG Farbenindustrie AG Expired / Lapsed 1937-05-07 โ€” 1957-05-07 0.0 yrs 0
FR55581E Process for the production of rubber processing products IG Farbenindustrie AG Expired / Lapsed 1942-09-24 1952-09-01 1962-09-24 0.0 yrs 0
FR892107A Manufacturing process of polyurethane compounds IG Farbenindustrie AG Expired / Lapsed 1943-03-11 1944-03-29 1963-03-11 0.0 yrs 0
US2288718A Device for measuring the intensity of a radiation of slow neutrons by means of ionization chamber IG Farbenindustrie AG Expired / Lapsed 1940-01-31 1942-07-07 1960-01-31 0.0 yrs 0
US2270373A Neutron image converter IG Farbenindustrie AG Expired / Lapsed 1940-05-20 1942-01-20 1960-05-20 0.0 yrs 0
US2241321A Preparation of polyamides IG Farbenindustrie AG Expired / Lapsed 1938-07-20 1941-05-06 1958-07-20 0.0 yrs 0
US2232030A Device for the generation of large amounts of negative ions IG Farbenindustrie AG Expired / Lapsed 1939-02-06 1941-02-18 1959-02-06 0.0 yrs 0
US2228332A Coating objects with artificial materials IG Farbenindustrie AG Expired / Lapsed 1938-03-22 1941-01-14 1958-03-22 0.0 yrs 0
US2223930A Amine resins IG Farbenindustrie AG Expired / Lapsed 1937-11-04 1940-12-03 1957-11-04 0.0 yrs 0
US2213125A Manufacture of materials resembling crepe IG Farbenindustrie AG Expired / Lapsed 1936-09-15 1940-08-27 1956-09-15 0.0 yrs 0
US2199780A Imidazolines containing sulphuric acid radicals and process of preparing them IG Farbenindustrie AG Expired / Lapsed 1939-05-04 1940-05-07 1959-05-04 0.0 yrs 0
US2193327A Artificial resins IG Farbenindustrie AG Expired / Lapsed 1938-04-06 1940-03-12 1958-04-06 0.0 yrs 0
US2185789A Thread and fiber of organic thermoplastic materials and process of producing the same IG Farbenindustrie AG Expired / Lapsed 1937-06-26 1940-01-02 1957-06-26 0.0 yrs 0
Showing 1 to 20 of 46 patents
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