Ethyl Corp
Ethyl CorpActive Patents
0
Total Holdings
29
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0031859A1 | Production of 2,6-dimethyl aniline from 2,6-dimethyl cycloh… | Expired / Lapsed | 1979-12-31 | — | 3 | Details |
| US4975280A | Bioerodable sustained release implants | Expired / Lapsed | 1989-01-23 | 1990-12-04 | 64 | Details |
| US4592755A | Mammary implant | Expired / Lapsed | 1985-06-11 | 1986-06-03 | 37 | Details |
| US4456745A | Polyurethanes prepared from polycarbonates | Expired / Lapsed | 1983-07-11 | 1984-06-26 | 21 | Details |
| US4423205A | Cationic polymerization of cyclic carbonates | Expired / Lapsed | 1982-05-24 | 1983-12-27 | 19 | Details |
| US4135480A | Spark vacuum advance control | Expired / Lapsed | 1977-05-13 | 1979-01-23 | 15 | Details |
| US3960962A | Process for replacing the hydroxy group of an aromatic hydr… | Expired / Lapsed | 1974-05-31 | 1976-06-01 | 3 | Details |
| US3932476A | Preparation of fatty acid amides | Expired / Lapsed | 1973-07-02 | 1976-01-13 | 12 | Details |
| US3920428A | Filter element | Expired / Lapsed | 1974-03-25 | 1975-11-18 | 8 | Details |
| US3918443A | Method for birth control | Expired / Lapsed | 1973-08-27 | 1975-11-11 | 7 | Details |
| US3871850A | Filter element | Expired / Lapsed | 1973-03-20 | 1975-03-18 | 2 | Details |
| US3826067A | Filter | Expired / Lapsed | 1972-04-05 | 1974-07-30 | 13 | Details |
| US3815338A | Exhaust system | Expired / Lapsed | 1973-03-20 | 1974-06-11 | 16 | Details |
| US3779241A | Intrauterine contraceptive device and method for its use | Expired / Lapsed | 1971-10-20 | 1973-12-18 | 15 | Details |
| US3768787A | High velocity carburetor | Expired / Lapsed | 1971-06-28 | 1973-10-30 | 28 | Details |
| US3707401A | Plastic coated metallic foams | Expired / Lapsed | 1971-06-21 | 1972-12-26 | 0 | Details |
| US3688476A | Exhaust system | Expired / Lapsed | 1969-11-24 | 1972-09-05 | 23 | Details |
| US3556846A | Method of removing manganese oxide deposits | Expired / Lapsed | 1967-12-21 | 1971-01-19 | 0 | Details |
| US3539488A | Radiation curable polyvinyl chloride composition containing… | Expired / Lapsed | 1968-03-07 | 1970-11-10 | 0 | Details |
| US3468968A | Manufacture of halohydrocarbons | Expired / Lapsed | 1966-09-29 | 1969-09-23 | 0 | Details |
| US3459780A | Organometallic compounds formed by reactions of rhodium mon… | Expired / Lapsed | 1967-02-15 | 1969-08-05 | 0 | Details |
| US3423231A | Multilayer polymeric film | Expired / Lapsed | 1965-05-20 | 1969-01-21 | 0 | Details |
| US3282243A | Movable means comprising vapor-plating nozzle and exhaust | Expired / Lapsed | 1965-09-08 | 1966-11-01 | 2 | Details |
| US3171395A | Internal combustion engine and method of operating same | Expired / Lapsed | 1962-02-08 | 1965-03-02 | 2 | Details |
| US3071493A | Metal plating process | Expired / Lapsed | 1961-11-15 | 1963-01-01 | 2 | Details |
| US3068515A | Extrusion apparatus | Expired / Lapsed | 1960-08-31 | 1962-12-18 | 0 | Details |
| US3045897A | Vacuum generation | Expired / Lapsed | 1961-06-28 | 1962-07-24 | 0 | Details |
| US2954345A | Organic materials containing 3, 5-dialkyl-4-hydroxybenzyl e… | Expired / Lapsed | 1958-03-31 | 1960-09-27 | 2 | Details |
| US2922738A | Fungicidal compositions | Expired / Lapsed | 1955-05-27 | 1960-01-26 | 2 | Details |