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| Number | Title | Issue Date |
| 6160143 | Method for the concentration and separation of sterols A method for the concentration and separation of a sterol-containing plant mixture employing a single, rotary, thin film horizontal evaporator for saponification of the mixture in a reaction zone, evaporation of volatile by-products, and discharge of a so... | 12/12/2000 |
| 5658433 | System for the purification of vitamin E An integral system and method for the separation and purification in a single operation of a heat or oxygen-sensitive liquid feed, such as a plant derived liquid feed mixture of fatty acids, tocopherol compounds and sterols, into a low boiling point purif... | 08/19/1997 |
| 4424131 | Liquid-liquid extraction method and apparatus A liquid-liquid extraction method and apparatus, which method comprises sequentially pulsing the light and heavy phases and controlling the operation of the valves which introduce into and withdraw from the column the liquid phases, based on the percent o... | 01/03/1984 |
| 4251231 | Direct process for the production of gasohol from fermentation mixtures A process for the direct preparation of a gasohol from a low-content, water-alcohol solution of a fermentation broth, which solution contains ethanol or methanol, which process comprises mixing a low-volume alcohol solution, a solvent miscible in the alco... | 02/17/1981 |
| 4093479 | Thin-film processing apparatus and method A thin-film wiped evaporator with rotary blades having a helical twist, the twist of the blades increasing from the one to the other end so as to provide a maximum twist at the one or the other end of the evaporator.... | 06/06/1978 |
| 4036759 | Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids In a dynamic solids concentrator having a rotor with radially extensive disc-like elements which rotate adjacent other stationary or rotating disc-like elements, stabilizing members are provided along radial edges of the respective elements. In the case o... | 07/19/1977 |
| 3989629 | Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids-containing fluids In a dynamic solids concentrator having a rotor with radially extensive disc-like elements which rotate adjacent other stationary or rotating disc-like elements, stabilizing members are provided along radial edges of the respective elements. In the case o... | 11/02/1976 |
| 3985606 | Low-pressure deentrainment evaporator An improved thin-film rotary evaporator wherein a meshtype deentrainment material having a large amount of free space is secured in the vapor chamber to the rotor shaft for rotation therewith to entrain particles from the vapor phase without a large press... | 10/12/1976 |
| 3984317 | Apparatus and process for continuous concentration and washing of solids from a solids-containing fluid Apparatus for concentrating and washing solids in a slurry comprising a housing containing both separation/concentration and washing chambers with an inlet for continuously injecting solids -- containing fluid into the separation chamber wherein a dynamic... | 10/05/1976 |
| 3950254 | Solids concentrator with a rotor having ploughs thereon The concentrator has at least one shaft-mounted rotor disc of solid or hollow construction with two or more ploughs located equally spaced about its periphery. The ploughs extend outwardly into the flow path of a solids-containing fluid within the concent... | 04/13/1976 |
| 3948776 | Apparatus and system for generating a protective coating in a rotary concentrator for abrasive solids-containing fluids In a rotary concentrator for continuous separation of a vehicle fluid and a concentrate of solids from an abrasive solids-containing fluid, a plurality of solids-detaining baffles and pockets are provided within the concentrator to collect deposits of the... | 04/06/1976 |
