Patent application number | Description | Published |
20100261803 | PARTICLE STABILISED HIGH INTERNAL PHASE EMULSIONS - A particle stabilised high internal phase emulsion comprising an internal phase, a continuous phase and particles comprising a core and a coating, wherein the wettability of the core is modulated by the coating. | 10-14-2010 |
20110030948 | Methods for Forming a Permeable and Stable Mass in a Subterranean Formation - Certain emulsions and masses produced using those emulsions exhibiting improved permeability and stability, and methods of preparation and use in subterranean operations, are provided. In one embodiment, the methods comprise: providing a composition that comprise a plurality of inorganic particulates, an aqueous component, and an organic component comprising at least one polymerizable monomer and at least one surface active agent in an amount of up to about 10% by volume of the organic component; permitting the composition to form an emulsion that comprises an internal aqueous phase in an amount of at least about 50% by volume of the emulsion and a continuous organic phase; introducing the composition into at least a portion of a subterranean formation; and permitting the composition to form a porous polymer mass in at least a portion of the subterranean formation. | 02-10-2011 |
20110034583 | Methods for Forming a Permeable and Stable Mass in a Subterranean Formation - Certain emulsions and masses produced using those emulsions exhibiting improved permeability and stability, and methods of preparation and use in subterranean operations, are provided. In one embodiment, the emulsions comprise: a plurality of inorganic particulates; an internal aqueous phase in an amount of at least about 50% by volume of the emulsion; and a continuous organic phase comprising at least one polymerizable monomer and at least one surface active agent in an amount of up to about 10% by volume of the organic phase. | 02-10-2011 |
20110245384 | Process for the production of a functionalised carbon nanomaterial - The invention provides a process for the production of a functionalised carbon (nano)material comprising heating a carbon (nano)material in an inert atmosphere to produce a surface-activated carbon (nano)material and incubating said surface-activated carbon (nano)material with a chemical species capable of reacting with the surface-activated carbon (nano)material. | 10-06-2011 |
20120006545 | Hybrid Cement Set-On-Command Compositions and Methods of Use - The present invention relates to methods and compositions useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing two phases. The sealant composition is placed into the wellbore where one phase sets upon subjecting the sealant composition to a thermal source followed by the setting of the other phase. | 01-12-2012 |
20120010324 | Hybrid Cement Set-On-Command Compositions - The present invention relates to methods and compositions useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing two phases. The sealant composition is placed into the wellbore where one phase sets upon subjecting the sealant composition to a thermal source followed by the setting of the other phase. | 01-12-2012 |
20120237757 | Methods for Forming a Permeable and Stable Mass in a Subterranean Formation - Open-celled, porous polymer masses located in a subterranean formation formed from a water-in-oil emulsion stabilized with inorganic particles. The mass having one or more of the following properties: a gas permeability greater than about 500 millidarcies; or a plurality of pore throats connecting a plurality of pores spaces therein, the pore throats having an average diameter of at least about 25 microns. In some cases the emulsion comprises: a plurality of inorganic particulates; an internal aqueous phase in an amount of at least about 50% by volume of the emulsion; and a continuous organic phase comprising at least one polymerizable monomer and at least one surface active agent in an amount of up to about 10% by volume of the organic phase. | 09-20-2012 |
Patent application number | Description | Published |
20090203092 | Liquid Biofuel Mixture and Method and Device for Producing The Same - The present invention relates to a biofuel mixture comprising a fraction of fatty acid alkyl esters and at least one fraction of bound glycerol in an amount of ≧1 wt %, based on the glycerol backbone, and a method and a device for producing said biofuel mixture. | 08-13-2009 |
20100101142 | METHOD FOR THE WET-CHEMICAL TRANSFORMATION OF BIOMASS BY HYDROTHERMAL CARBONIZATION - A method for converting biomass into higher-energy-density solids, in particular carbon, humus or peat, is described. In the method, organic substances from the biomass are suspended in water to form a suspension and at least a part of the suspension to be converted is heated to a reaction temperature and is converted into higher-energy-density solids by hydrothermal carbonization at elevated pressure. The conversion is carried out in a reaction volume which is located underneath the Earth's surface. Uniformity of the product quality and an increase in the economic efficiency of the process are achieved by the method. | 04-29-2010 |
20110289828 | LIQUID BIOFUEL MADE OF ESTERS AND BOUND GLYCERIDES, AND ALSO PROCESS FOR PRODUCTION THEREOF - The present invention relates to a biofuel and to a process for production thereof, which biofuel contains at least one fraction of triglycerides, a fraction of monoglycerides, a fraction of diglycerides and a fraction of alkylesters of fatty acids. The biofuel may be obtained by partial transesterification of vegetable oil or vegetable fat and is distinguished in that the mass fraction of alkylesters of fatty acids in the biofuel is smaller than the mass fraction of triglycerides. The fuel is suitable in particular as additive for conventional fuels, may be produced at high yield and can also be used at relatively low temperatures below 10° C. | 12-01-2011 |