Grey, GB
Bryan David Grey, Bradford GB
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20100003518 | MICROCAPSULES, THEIR USE AND PROCESSES FOR THEIR MANUFACTURE - A microcapsule comprising a core containing a hydrophobic liquid or wax and a polymeric shell formed from: i) 1 to 20% by weight of polymerisable silane compound, ii) 1 to 94% by weight of hydrophobic mono functional ethylenically unsaturated monomer, iii) 5 to 98% by weight of polyfunctional ethylenically unsaturated monomer, and iv) 0 to 60% by weight of other mono functional monomer(s), wherein components (i), (ii), (iii) and (iv) total 100%, and in which the microcapsule also includes a hydrophilic polymer which is covalently bonded to the microcapsule. The invention includes a process for the manufacture of particles and the use of particles in articles, such as fabrics, and coating compositions, especially for textiles. | 01-07-2010 |
20110003152 | MICROCAPSULES, THEIR USE AND PROCESSES FOR THEIR MANUFACTURE - A microcapsule comprising A) a core containing a hydrophobic liquid or wax, B) a polymeric shell comprising a) a polymer formed from a monomer mixture containing: i) 1 to 95% by weight of a hydrophobic mono functional ethylenically unsaturated monomer, ii) 5 to 99% by weight of a polyfunctional ethylenically unsaturated monomer, and iii) 0 to 60% by weight of other mono functional monomer, and b) a further hydrophobic polymer which is insoluble in the hydrophobic liquid or wax. The invention includes a process for the manufacture of particles and the use of particles in articles, such as fabrics, and coating compositions, especially for textiles. | 01-06-2011 |
Bryan David Grey, West Yorkshire GB
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20090104556 | Polymeric Colour Electrophotographic Toner Compositions and Process of Preparing Polymeric Electrophotographic Toner Composition - The present invention relates to micron to sub-micron sized coloured polymeric electrophotographic toner particles, a process for making those particles and their use as dry or liquid electrophotographic toners, and as component in the preparation of two-component electrophotographic developers. The particles comprise two different kinds of polymers and are made through dewatering of a water-in-oil emulsion. | 04-23-2009 |
20090155195 | Capsules - The present invention related to (micro-or nano-) capsules that have two different functional groups on the outer shell of the particles that allow deposition onto the textile surfaces (i.e. exhibit substantivity) and subsequent covalent bonding of the particles onto the textile (i.e. are reactive towards the fiber). | 06-18-2009 |
20100036020 | MICROCAPULES, THEIR USE AND PROCESSES FOR THEIR MANUFACTURE - A microcapsule comprising a core containing a hydrophobic liquid or wax within a polymeric shell, in which solid particles insoluble in the hydrophobic liquid or wax are distributed throughout the core, wherein an oil soluble dispersant polymer is adhered to the surface of the solid insoluble particles. Processes of obtaining the microcapsules and dispersions of microcapsules in a liquid are claimed. The microcapsules can be used in a variety of applications particularly in the field of thermal energy storage. Suitably the microcapsules can be designed to have a particular density and can be used in the transfer fluids where the density of the microcapsules are the same as the carrier fluid. | 02-11-2010 |
20100168275 | MICROCAPSULES, THEIR USE AND PROCESSES FOR THEIR MANUFACTURE - A microcapsule comprising a hydrophobic core within a polymeric shell, in which the core comprises: (a) 10 to 65% by weight of a hydrocarbon liquid or hydrocarbon wax containing hydrocarbon molecules of between 10 and 24 carbon chain length; and (b) 35 to 90% by weight of an aliphatic acid containing at least 6 carbon atoms, based on the total weight of the core. The microcapsules are suitable for use in heat storage systems and especially in heat transfer systems were it is normally necessary for the density of the microcapsules and the carrier fluid to be essentially the same. | 07-01-2010 |
David Micheal Grey, Surrey GB
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20090304770 | POLYMER - A novel class of polymers obtainable by copolymerising a monomer mixture comprising (i) hydrophilic monomer of general formula (I) Y—B—X; (ii) styrene or a substituted styrene, a monomer or mixture of monomers which when polymerised form a polymer with a Tg lower than the Tg of a homopolymer of monomer (I) and lower than the Tg of a homopolymer of monomer (ii); and a monomer having a crosslinkable group is described. The invention also relates to a method for producing such polymers, implants coated with the polymers and methods for forming the same. | 12-10-2009 |
Nicholas Gerald Grey, Spetchley GB
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20140304938 | VACUUM CLEANER - A vacuum cleaner is described, and in particular a battery-powered vacuum cleaner including a rotatable brush. The vacuum cleaner has a suction head adapted to be moved across a surface to be cleaned, the suction head having a leading end and a trailing end, the suction head having: a rotatable brush, the rotatable brush being located in a brush chamber at the leading end of the suction head, the brush chamber having an opening through which a part of the rotatable brush projects, the opening and the rotatable brush spanning substantially the full width of the suction head; suction means adapted to create a flow of air into the suction head during use; a dirt-collection chamber; a filter located downstream of the dirt-collection chamber; a primary air flow duct connecting the brush chamber to the dirt-collection chamber and through which air can flow into the dirt collection chamber during use, a secondary air flow duct connected to the dirt-collection chamber and through which air can flow into the dirt collection chamber during use, the secondary air flow duct comprising a length of hose terminating in an inlet nozzle. | 10-16-2014 |
Nicholas Gerald Grey, Worcester GB
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20090300873 | Surface Cleaning Apparatus - A surface cleaning apparatus comprises a debris retrieval body ( | 12-10-2009 |
Nicholas Gerald Grey, Spetchley Worcestershire GB
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20130291333 | VACUUM CLEANER - This invention relates to a vacuum cleaner ( | 11-07-2013 |
Robert Grey, County Durham GB
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20080237643 | TRANSISTOR - A heterojunction bipolar transistor comprising | 10-02-2008 |
Robert Grey, Co. Durham GB
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20090261382 | Compound Semiconductor Substrate For a Field Effect Transistor - A III-V field effect transistor comprising | 10-22-2009 |
Simon Grey, Inverness GB
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20110006532 | ENERGY EXTRACTION APPARATUS AND METHOD - An apparatus and method for extracting energy from fluid motion comprising a deformable body adapted to be deformed by fluid motion, wherein the deformation of the deformable body is arranged to drive at least one energy medium to be delivered to an energy output; and wherein the energy medium is controllable in order to control at least one dynamic response of the deformable body. | 01-13-2011 |