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| Number | Title | Issue Date |
| 7829058 | Process for the purification of (hydro) halocarbons A process for treating a composition comprising one or more desired (hydro)halocarbons and one or more undesired sulphur containing impurities so as to reduce the concentration of at least one undesired sulphur containing impurity, the process comprising contacting ... | 11/09/2010 |
| 7250185 | Process for reducing the concentration of undesired compounds in a composition A process for treating a composition comprising one or more undesired compounds and one or more desired compounds so as to reduce the concentration of the one or more undesired compounds is described. The process comprises the steps of (1) contacting the composition... | 07/31/2007 |
| 7186869 | Purification of saturated halocarbons A process for removing one or more unsaturated halocarbons from a halocarbon mixture comprising one or more unsaturated halocarbons and one or more saturated halocarbons, which process comprises contacting the halocarbon mixture with a mixture of a solid chemical ox... | 03/06/2007 |
| 7084315 | Removal of (hydro)haloalkene impurities from product streams A process for removing a (hydro)haloalkene impurity from a product stream containing that impurity and a desired compound is described. The process comprises contacting the product stream with a solid adsorbent comprising pores having openings which have a size acro... | 08/01/2006 |
| 7001511 | Apparatus and method for removing solvent residues In the field of biomass extraction, there is a need for effective removal of solvent from spent biomass material. An apparatus for removing solvent residues includes a vessel (11) for containing biomass; a steam source (19) for supplying steam to conta... | 02/21/2006 |
| 6921519 | Decomposition of fluorine containing compounds A process for the decomposition and removal of one or more fluorine containing compounds from a first gaseous mixture comprising the one or more fluorine containing compounds and water vapour, which process comprises the stages of: (i) contacting the first gaseous m... | 07/26/2005 |
| 6918950 | Apparatus and method for reducing residual solvent levels Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out the method... | 07/19/2005 |
| 6891074 | Production of hydrofluoroalkanes A process for the production of a hydrofluoroalkane, which process comprises contacting a hydrochlorofluoroethane of formula CClXYCFHZ, wherein X and Y are each independently chlorine or fluorine and Z is chlorine, fluorine or hydrogen, in the liquid phase with hydr... | 05/10/2005 |
| 6685839 | Apparatus and method for removing solvent residues In the field of biomass extraction, there is a need for effective removal of solvent from spent biomass material. An apparatus for removing solvent residues includes a vessel (11) for containing biomass; a steam source (19) for supplying steam to contact the ... | 02/03/2004 |
| 6589422 | Apparatus and method for extracting biomass Discloses is apparatus for extracting biomass from a biomass supply, including a hollow vessel in which is established a countercurrent flow of biomass in the form of liquid or particles of biomass entrained in a liquid and solvent. The vessel includes an... | 07/08/2003 |
| 6555086 | Hydrogen fluoride recovery process Processes for separating and recovering hydrogen fluoride from a gaseous mixture of an organic compound and hydrogen fluoride are disclosed. The processes include contacting the gaseous mixture with a solution of an alkali metal fluoride in hydrogen fluor... | 04/29/2003 |
| 6521022 | Apparatus and method for reducing residual solvent levels Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as air or nitrogen are disclosed. Apparatus for carrying out... | 02/18/2003 |
