IG Farbenindustrie AG
IG FarbeniActive Patents
0
Total Holdings
113
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB508802A | Improvements in the photoelectric determination of the colo… | Expired / Lapsed | 1938-01-05 | — | 0 | Details |
| GB500298A | Improvements in the manufacture and production of plastic m… | Expired / Lapsed | 1937-08-09 | — | 0 | Details |
| GB495830A | Method of treating textile fibrous materials | Expired / Lapsed | 1937-05-18 | — | 0 | Details |
| GB495067A | Improvements in or relating to injection syringes | Expired / Lapsed | 1937-05-07 | — | 0 | Details |
| GB493288A | Manufacture of substitutes for wool from viscose | Expired / Lapsed | 1937-04-02 | — | 0 | Details |
| GB482897A | Nitrogenous synthetic resins | Expired / Lapsed | 1936-10-08 | — | 0 | Details |
| GB477889A | Improvements in water-proofing textile materials | Expired / Lapsed | 1936-06-05 | — | 0 | Details |
| GB465520A | Manufacture of polymerisation products | Expired / Lapsed | 1935-10-03 | — | 0 | Details |
| GB458781A | Process for the aftertreatment of condensation products con… | Expired / Lapsed | 1935-06-26 | — | 0 | Details |
| GB435557A | Improvements in insulating electrical conductors | Expired / Lapsed | 1934-03-21 | — | 0 | Details |
| GB418469A | Improvements in the manufacture and production of polymeris… | Expired / Lapsed | 1933-11-13 | — | 0 | Details |
| GB387956A | Improvements in or relating to the manufacture of new dyest… | Expired / Lapsed | 1932-09-12 | — | 0 | Details |
| GB317770A | Improvements in the manufacture of etherified polyhydric al… | Expired / Lapsed | 1928-03-19 | — | 0 | Details |
| FR55581E | Process for the production of rubber processing products | Expired / Lapsed | 1942-09-24 | 1952-09-01 | 0 | Details |
| FR892107A | Manufacturing process of polyurethane compounds | Expired / Lapsed | 1943-03-11 | 1944-03-29 | 0 | Details |
| FR883764A | Method of shaping highly polymerized rectilinear formula bo… | Expired / Lapsed | 1942-07-03 | 1943-07-16 | 0 | Details |
| US2288718A | Device for measuring the intensity of a radiation of slow n… | Expired / Lapsed | 1940-01-31 | 1942-07-07 | 0 | Details |
| US2288717A | Method for the investigation of substances with the aid of … | Expired / Lapsed | 1940-01-31 | 1942-07-07 | 0 | Details |
| US2272375A | Arrangement for reproducing the intensity distribution in a… | Expired / Lapsed | 1940-08-02 | 1942-02-10 | 0 | Details |
| US2272374A | Device for generating a beam of ions | Expired / Lapsed | 1940-05-20 | 1942-02-10 | 0 | Details |
| US2270959A | Stabilization of synthetic rubberlike materials | Expired / Lapsed | 1939-09-27 | 1942-01-27 | 0 | Details |
| US2270373A | Neutron image converter | Expired / Lapsed | 1940-05-20 | 1942-01-20 | 0 | Details |
| US2265450A | Polymeric n-vinyl lactams and process of producing same | Expired / Lapsed | 1940-05-28 | 1941-12-09 | 0 | Details |
| DE711408C | Process for the preparation of nitrogen-containing products… | Expired / Lapsed | 1935-08-17 | 1941-10-01 | 0 | Details |
| US2246264A | Condensation products from polycarboxylic acids | Expired / Lapsed | 1937-10-19 | 1941-06-17 | 0 | Details |
| US2241321A | Preparation of polyamides | Expired / Lapsed | 1938-07-20 | 1941-05-06 | 0 | Details |
| US2232030A | Device for the generation of large amounts of negative ions | Expired / Lapsed | 1939-02-06 | 1941-02-18 | 0 | Details |
| US2231836A | Process of producing sound records | Expired / Lapsed | 1938-01-11 | 1941-02-11 | 0 | Details |
| US2228332A | Coating objects with artificial materials | Expired / Lapsed | 1938-03-22 | 1941-01-14 | 0 | Details |
| US2228159A | Manufacture of cation-exchanging bodies | Expired / Lapsed | 1937-07-09 | 1941-01-07 | 0 | Details |
| US2223930A | Amine resins | Expired / Lapsed | 1937-11-04 | 1940-12-03 | 0 | Details |
| US2213125A | Manufacture of materials resembling crepe | Expired / Lapsed | 1936-09-15 | 1940-08-27 | 0 | Details |
| US2210442A | Capillary active compounds and process of preparing them | Expired / Lapsed | 1938-12-15 | 1940-08-06 | 0 | Details |
| US2204619A | Production of shaped catalysts | Expired / Lapsed | 1937-12-07 | 1940-06-18 | 0 | Details |
| US2204539A | Process of effecting cation exchange | Expired / Lapsed | 1938-06-21 | 1940-06-11 | 0 | Details |
| US2199780A | Imidazolines containing sulphuric acid radicals and process… | Expired / Lapsed | 1939-05-04 | 1940-05-07 | 0 | Details |
| US2193327A | Artificial resins | Expired / Lapsed | 1938-04-06 | 1940-03-12 | 0 | Details |
| US2188778A | Production of polymerization products of vinyl ethers | Expired / Lapsed | 1937-02-25 | 1940-01-30 | 0 | Details |
| US2188115A | Investigation of materials with neutrons | Expired / Lapsed | 1938-03-24 | 1940-01-23 | 0 | Details |
| US2187818A | Dialyzing apparatus | Expired / Lapsed | 1937-04-13 | 1940-01-23 | 0 | Details |
| US2187817A | Interpolymerization products of vinyl chloride and esters o… | Expired / Lapsed | 1936-12-05 | 1940-01-23 | 0 | Details |
| US2187823A | Condensation products of ethers of alkylol amines | Expired / Lapsed | 1931-03-26 | 1940-01-23 | 0 | Details |
| US2185789A | Thread and fiber of organic thermoplastic materials and pro… | Expired / Lapsed | 1937-06-26 | 1940-01-02 | 0 | Details |
| US2182306A | Polymerization of ethylene imines | Expired / Lapsed | 1936-04-24 | 1939-12-05 | 0 | Details |
| US2178523A | Production of high molecular hydroxylated condensation prod… | Expired / Lapsed | 1937-10-16 | 1939-10-31 | 0 | Details |
| US2176441A | Removal of gaseous weak acid from gases containing the same | Expired / Lapsed | 1936-03-31 | 1939-10-17 | 0 | Details |
| US2172403A | Process for producing polymers of isobutylene | Expired / Lapsed | 1935-03-29 | 1939-09-12 | 0 | Details |
| US2171439A | Process for the production of reguline beryllium and beryll… | Expired / Lapsed | 1937-11-13 | 1939-08-29 | 0 | Details |
| US2168535A | Textile material and a process of preparing it | Expired / Lapsed | 1938-11-12 | 1939-08-08 | 0 | Details |
| US2160375A | Water-repellent textile material and process of manufacturi… | Expired / Lapsed | 1936-12-31 | 1939-05-30 | 0 | Details |
| DE676059C | Magnesium wire sewing material for surgical purposes | Expired / Lapsed | 1935-10-17 | 1939-05-24 | 0 | Details |
| US2159140A | Production of hydrocarbons from carbon monoxide and hydrogen | Expired / Lapsed | 1936-03-05 | 1939-05-23 | 0 | Details |
| DE675837C | Dentifrices | Expired / Lapsed | 1932-06-12 | 1939-05-22 | 0 | Details |
| US2156455A | Manufacture of felt | Expired / Lapsed | 1936-05-23 | 1939-05-02 | 0 | Details |
| US2155877A | Process for the manufacture of imidazolines containing at l… | Expired / Lapsed | 1936-08-03 | 1939-04-25 | 0 | Details |
| FR838995A | Process for the separation of crude oil emulsions | Expired / Lapsed | 1938-06-08 | 1939-03-21 | 0 | Details |
| US2144649A | Process of printing lenticular film and lenticular film the… | Expired / Lapsed | 1936-05-08 | 1939-01-24 | 0 | Details |
| FR835847A | Process for the production of plates and molded bodies of f… | Expired / Lapsed | 1938-03-28 | 1939-01-04 | 0 | Details |
| US2142475A | Device for cutting endless bands of artificial fibers | Expired / Lapsed | 1934-11-20 | 1939-01-03 | 0 | Details |
| US2140048A | Production of polymerization products | Expired / Lapsed | 1937-05-04 | 1938-12-13 | 0 | Details |
| US2136928A | Manufacture of amines of high molecular weight, which are r… | Expired / Lapsed | 1935-12-09 | 1938-11-15 | 0 | Details |
| US2131120A | Manufacture of organic compounds containing basic substitue… | Expired / Lapsed | 1935-10-31 | 1938-09-27 | 0 | Details |
| US2131145A | Process for increasing the reactivity of naturally or artif… | Expired / Lapsed | 1935-09-12 | 1938-09-27 | 0 | Details |
| DE662281C | Process for the production of diolefin polymers | Expired / Lapsed | 1932-11-26 | 1938-07-09 | 0 | Details |
| FR823608A | Electric batteries | Expired / Lapsed | 1937-06-26 | 1938-01-24 | 0 | Details |
| US2103872A | Higr molecular nitrogenous organic compounds containing car… | Expired / Lapsed | 1934-12-08 | 1937-12-28 | 0 | Details |
| FR821344A | Diamino-sulfones of the anthraquinone series, process for p… | Expired / Lapsed | 1937-04-30 | 1937-12-02 | 0 | Details |
| US2100900A | Production of interpolymerization products | Expired / Lapsed | 1935-12-07 | 1937-11-30 | 0 | Details |
| FR816448A | Manufacturing process of synthetic base exchange resins | Expired / Lapsed | 1937-01-18 | 1937-08-07 | 0 | Details |
| US2088085A | Production of stable and efficient foam | Expired / Lapsed | 1934-10-03 | 1937-07-27 | 0 | Details |
| US2085129A | Production of colloidal metal hydroxides | Expired / Lapsed | 1934-07-10 | 1937-06-29 | 0 | Details |
| US2082814A | Process of making a substitute for wool from viscose | Expired / Lapsed | 1935-11-29 | 1937-06-08 | 0 | Details |
| FR813465A | Photoelectric posometer | Expired / Lapsed | 1936-11-13 | 1937-06-02 | 0 | Details |
| DE644759C | Process for coating drug forms with coatings resistant to g… | Expired / Lapsed | 1932-11-24 | 1937-05-12 | 0 | Details |
| US2069336A | Production of derivatives of polyhydric alcohols | Expired / Lapsed | 1933-03-18 | 1937-02-02 | 0 | Details |
| US2067706A | Artificial compositions | Expired / Lapsed | 1933-12-06 | 1937-01-12 | 0 | Details |
| US2063596A | Thermal treatment of carbon compounds | Expired / Lapsed | 1933-02-13 | 1936-12-08 | 0 | Details |
| US2061230A | Manufacture of gelatin reliefs for printing | Expired / Lapsed | 1934-08-18 | 1936-11-17 | 0 | Details |
| US2060410A | Synthetic resins | Expired / Lapsed | 1933-08-24 | 1936-11-10 | 0 | Details |
| US2056915A | Production of chrysene | Expired / Lapsed | 1933-10-04 | 1936-10-06 | 0 | Details |
| US2054903A | Polymerization product | Expired / Lapsed | 1933-10-31 | 1936-09-22 | 0 | Details |
| US2054131A | Fibrous filling materials for stuffing purposes | Expired / Lapsed | 1934-02-10 | 1936-09-15 | 0 | Details |
| US2047398A | Artificial resins and process of making them | Expired / Lapsed | 1931-06-17 | 1936-07-14 | 0 | Details |
| US2039734A | New compositions of matter containing luminous substances | Expired / Lapsed | 1933-02-23 | 1936-05-05 | 0 | Details |
| FR797779A | Process for the manufacture of viscose fibers suitable as r… | Expired / Lapsed | 1935-11-16 | 1936-05-04 | 0 | Details |
| US2031929A | Impregnation of materials | Expired / Lapsed | 1932-07-29 | 1936-02-25 | 0 | Details |
| US2019834A | Production of plywood and other joined wooden articles | Expired / Lapsed | 1930-07-11 | 1935-11-05 | 0 | Details |
| US2016490A | Production of mixed polymerization products from vinyl ethe… | Expired / Lapsed | 1931-11-09 | 1935-10-08 | 0 | Details |
| US2004243A | Method of and means for operating breathing apparatus | Expired / Lapsed | 1929-01-11 | 1935-06-11 | 0 | Details |
| US2000224A | Production of gaseous mixtures containing hydrogen | Expired / Lapsed | 1929-11-01 | 1935-05-07 | 0 | Details |
| US1996003A | Production of hydroxy-alkyl compounds | Expired / Lapsed | 1931-02-28 | 1935-03-26 | 0 | Details |
| US1988861A | Production of metallic plates suitable for use as accumulat… | Expired / Lapsed | 1930-02-18 | 1935-01-22 | 0 | Details |
| US1982774A | Mirror | Expired / Lapsed | 1930-04-21 | 1934-12-04 | 0 | Details |
| US1977155A | Carrying out chemical reactions between gas-like substances | Expired / Lapsed | 1930-07-26 | 1934-10-16 | 0 | Details |
| US1970578A | Assistants for the textile and related industries | Expired / Lapsed | 1931-11-24 | 1934-08-21 | 0 | Details |
| US1959930A | Hydroxy-alkyl ethers of polyhydric alcohols and their produ… | Expired / Lapsed | 1931-05-13 | 1934-05-22 | 0 | Details |
| US1959185A | Production of adheshves | Expired / Lapsed | 1930-06-17 | 1934-05-15 | 0 | Details |
| US1951712A | Process for improving fibrous materials | Expired / Lapsed | 1930-05-21 | 1934-03-20 | 0 | Details |
| US1941111A | Production of metal carbonyls | Expired / Lapsed | 1931-04-04 | 1933-12-26 | 0 | Details |
| US1933052A | Production of polymerization products | Expired / Lapsed | 1931-05-19 | 1933-10-31 | 0 | Details |
| US1920403A | Process for producing polymerization products of vinyl hali… | Expired / Lapsed | 1931-08-04 | 1933-08-01 | 0 | Details |
| DE580366C | Process for the preparation of sulfuric acid derivatives of… | Expired / Lapsed | 1930-09-05 | 1933-07-13 | 0 | Details |
| US1901044A | Production of artificial masses | Expired / Lapsed | 1929-05-04 | 1933-03-14 | 0 | Details |
| US1891203A | Polymerization of unsaturated organic compounds | Expired / Lapsed | 1930-01-30 | 1932-12-13 | 0 | Details |
| US1885451A | Process of preparing an active mass for cathodes of electri… | Expired / Lapsed | 1930-05-22 | 1932-11-01 | 0 | Details |
| US1876920A | Manufacture of carbohydrate derivatives | Expired / Lapsed | 1930-04-25 | 1932-09-13 | 0 | Details |
| US1850286A | Process for making finely divided metal oxides | Expired / Lapsed | 1926-09-18 | 1932-03-22 | 0 | Details |
| FR718956A | Process for the production of high value liquid products fr… | Expired / Lapsed | 1931-06-22 | 1932-01-30 | 0 | Details |
| US1834850A | Schiff's bases derived from alpha substituted cinnamylaldeh… | Expired / Lapsed | 1929-02-21 | 1931-12-01 | 0 | Details |
| US1834849A | Condensation product of alpha, beta disubstituted acroleins… | Expired / Lapsed | 1928-09-01 | 1931-12-01 | 0 | Details |
| US1803475A | Apparatus for making bands of artificial fibers | Expired / Lapsed | 1928-02-18 | 1931-05-05 | 0 | Details |
| FR690820A | Disinfectant and bactericidal products | Expired / Lapsed | 1930-02-28 | 1930-09-26 | 0 | Details |
| US1748315A | Manufacture of active silica | Expired / Lapsed | 1926-03-04 | 1930-02-25 | 0 | Details |