Evonik Operations GmbH
Evonik OpeActive Patents
0
Total Holdings
48
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0636375A1 | Equipment and sanitary devices for hospitals | Expired / Lapsed | 1994-07-22 | — | 0 | Details |
| EP0358125A2 | Exhaust gas catalyst having a reduced tendency of accumulat… | Expired / Lapsed | 1989-09-01 | — | 0 | Details |
| FR2449475A1 | CATALYSTS FOR THE PURIFICATION OF EXHAUST GASES FROM INTERN… | Expired / Lapsed | 1980-02-22 | — | 0 | Details |
| FR2317963A1 | METHOD OF APPLYING A CATALYTICALLY ACTIVE COATING ON A CATA… | Expired / Lapsed | 1976-06-22 | — | 0 | Details |
| FR2217063A1 | FR2217063A1 - - Google Patents | Expired / Lapsed | 1974-02-08 | — | 0 | Details |
| FR2162472A1 | Multiple electric cable - with sheaf of ends spaced apart b… | Expired / Lapsed | 1972-12-06 | — | 0 | Details |
| DE1188895B | Process for the production of a composite material of titan… | Expired / Lapsed | 1962-08-23 | — | 0 | Details |
| US5674072A | Two-phase tooth implant | Expired / Lapsed | 1995-10-17 | 1997-10-07 | 14 | Details |
| US5569802A | Catalyst, process for the preparation thereof and process f… | Expired / Lapsed | 1994-09-28 | 1996-10-29 | 9 | Details |
| US5082819A | Catalyst for catalytic gas phase oxidation of olefins into … | Expired / Lapsed | 1990-09-13 | 1992-01-21 | 22 | Details |
| US4621072A | Process for preparing abrasion-resistant coated catalysts | Expired / Lapsed | 1985-02-26 | 1986-11-04 | 26 | Details |
| US4495224A | Method for preparing improved molding materials from coated… | Expired / Lapsed | 1983-10-04 | 1985-01-22 | 14 | Details |
| US4366138A | Carbon black useful for pigment for black lacquers | Expired / Lapsed | 1981-06-01 | 1982-12-28 | 5 | Details |
| GB2001303B | Precipitated silica | Expired / Lapsed | 1978-06-29 | 1982-02-24 | 0 | Details |
| US4068024A | Process for preparing finely divided hydrophobic oxide part… | Expired / Lapsed | 1974-08-12 | 1978-01-10 | 16 | Details |
| US4007050A | Hydrophobic oxides of metals and for metalloids | Expired / Lapsed | 1975-01-23 | 1977-02-08 | 14 | Details |
| US3984341A | Iodophors and a process for their preparation | Expired / Lapsed | 1975-01-13 | 1976-10-05 | 25 | Details |
| US3928238A | Exhaust gas purifying catalyst and process of making and us… | Expired / Lapsed | 1973-10-12 | 1975-12-23 | 27 | Details |
| US3920865A | Process of hydrophorizing highly dispersed metal or metallo… | Expired / Lapsed | 1972-04-06 | 1975-11-18 | 28 | Details |
| US3669906A | Catalyst for purification of exhaust gases from motor vehic… | Expired / Lapsed | 1970-08-19 | 1972-06-13 | 18 | Details |
| US3658845A | Benzothiophene aminoketones and aminoalcohols | Expired / Lapsed | 1970-03-10 | 1972-04-25 | 0 | Details |
| FR2059443A5 | FR2059443A5 - - Google Patents | Expired / Lapsed | 1970-08-31 | 1971-05-28 | 0 | Details |
| US3276929A | Method of forming a sleeved joint over shaped polyolefin bo… | Expired / Lapsed | 1961-08-21 | 1966-10-04 | 2 | Details |
| US3227790A | Process for granulation of perborate | Expired / Lapsed | 1964-03-30 | 1966-01-04 | 2 | Details |
| CA659059A | Shaped structures for biological processes | Expired / Lapsed | — | 1963-03-05 | 0 | Details |
| CA648923A | Method for the production of alkali-zirconium silicates | Expired / Lapsed | — | 1962-09-18 | 0 | Details |
| FR1289681A | Process for making synthetic resins reinforced with glass f… | Expired / Lapsed | 1961-03-23 | 1962-04-06 | 0 | Details |
| US2951044A | Stable dispersions of metal oxide blends and process for th… | Expired / Lapsed | 1955-07-18 | 1960-08-30 | 4 | Details |
| US2912367A | Measurement of cyanide concentration | Expired / Lapsed | 1957-11-12 | 1959-11-10 | 2 | Details |
| US2870007A | Process for the production of metals by reduction of their … | Expired / Lapsed | 1955-03-03 | 1959-01-20 | 2 | Details |
| US2829118A | Process for forming shaped bodies from polyethylene | Expired / Lapsed | 1953-09-23 | 1958-04-01 | 2 | Details |
| US2811464A | Process for the production of artificial leather having sue… | Expired / Lapsed | 1955-12-12 | 1957-10-29 | 2 | Details |
| US2802925A | Resistance thermometer | Expired / Lapsed | 1955-03-11 | 1957-08-13 | 0 | Details |
| US2795541A | Electrolytic production of percompounds | Expired / Lapsed | 1952-12-22 | 1957-06-11 | 2 | Details |
| DE904490C | Metallic moldings | Expired / Lapsed | 1952-03-02 | 1954-02-18 | 0 | Details |
| DE828843C | Facility for the cultivation of plants in beds made of grai… | Expired / Lapsed | 1948-10-02 | 1952-01-21 | 0 | Details |
| FR883679A | Process for the production of synthetic materials | Expired / Lapsed | 1942-06-30 | 1943-07-12 | 0 | Details |
| US2261264A | Manufacture of laminated products | Expired / Lapsed | 1939-05-02 | 1941-11-04 | 0 | Details |
| US2241312A | Manufacture of laminated fibrous articles | Expired / Lapsed | 1939-01-14 | 1941-05-06 | 0 | Details |
| US2209585A | Acid resisting enamel | Expired / Lapsed | 1938-08-18 | 1940-07-30 | 0 | Details |
| DE685409C | Acetic acid bottle with a strongly narrowed flow channel | Expired / Lapsed | 1936-09-20 | 1939-12-16 | 0 | Details |
| US2148664A | Heat treatment of metals | Expired / Lapsed | 1936-04-20 | 1939-02-28 | 0 | Details |
| US2033662A | Holder for dental instruments | Expired / Lapsed | 1934-04-20 | 1936-03-10 | 0 | Details |
| US1969099A | Manufacture of highly refractory products | Expired / Lapsed | 1931-03-26 | 1934-08-07 | 0 | Details |
| US1960177A | Laminating process | Expired / Lapsed | 1932-03-17 | 1934-05-22 | 0 | Details |
| DE549080C | Dental contra-angle | Expired / Lapsed | 1930-02-08 | 1932-04-22 | 0 | Details |
| US1741734A | Device for tightly clamping tools in handpieces | Expired / Lapsed | 1928-02-09 | 1929-12-31 | 0 | Details |
| US1684554A | Protective sheath for flexible shafts | Expired / Lapsed | 1927-06-22 | 1928-09-18 | 0 | Details |