Patents by Inventor Kenneth Charles Symes
Kenneth Charles Symes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8067193Abstract: A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation process for the production of a fermentation product, in which the liquor has been subjected to a temperature of at least 50° C., wherein the solids-liquid separation stage is assisted by a treatment system, characterised in that the treatment system comprises an anionic polymer selected from natural polymers and modified natural polymers having a high anionic charge such that the equivalent weight is below 300, and synthetic polymers formed from at least 50% by weight anionic monomer units.Type: GrantFiled: January 20, 2005Date of Patent: November 29, 2011Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Jonathan Hughes, Rajesh Mistry, Kenneth Charles Symes
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Patent number: 8067215Abstract: A process for preparing a polymer of an ethylenically unsaturated monomer, in which the monomer is obtainable from a biocatalysed reaction or a fermentation process, and wherein the monomer contains cellular material and/or components of a fermentation broth, forming the polymer by polymerizing the ethylenically unsaturated monomer or a monomer mixture comprising the ethylenically unsaturated monomer, wherein there is substantially no removal of the cellular material and/or components of the fermentation broth from the ethylenically unsaturated monomer.Type: GrantFiled: November 22, 2004Date of Patent: November 29, 2011Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Stuart Greenhalgh, Kenneth Charles Symes, Yvonne Armitage, Jonathan Hughes, Gary Richardson
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Patent number: 7901915Abstract: The invention relates to a biocatalytic method or process for the synthesis of esters of acrylic acid and/or methacrylic acid free of positively chargeable/charged groups, comprising reacting one or more alcohols (alcohol starting materials) which are free of positively chargeable or charged groups with (meth)acrylyl-CoA, preferably in the presence of a catalyst (inorganic, organic or organometallic, or preferably a biocatalyst) capable of effecting the transfer of an alcohol radical from an alcohol starting material as defined above or below to (meth)acrylyl CoA under removal of the CoA moiety transferase activity, such as an enzyme of the transferase or hydrolase class of enzymes. The (meth)acrylyl-CoA is preferably formed by reaction of (meth)acrylic acid or its salts with coenzyme A in the presence of an energy providing substance and a biocatalyst e.g.Type: GrantFiled: September 12, 2006Date of Patent: March 8, 2011Assignee: BASF SEInventors: Kenneth Charles Symes, Simon Andrew Collier, Yvonne Christine Armitage, Rajesh Mistry, Robert Baranyai
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Patent number: 7867400Abstract: A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation process for the production of a fermentation product, and which liquor comprises lignin, wherein the solids-liquid separation stage is assisted by a treatment system, characterised in that the treatment system comprises an anionic polymer, with the proviso that the treatment system and does not include a cationic polymer having an intrinsic viscosity (IV) of at least 4 dl/g.Type: GrantFiled: September 11, 2009Date of Patent: January 11, 2011Assignee: Ciba Speacialty Chemicals Water treaments Ltd.Inventors: Jonathan Hughes, Rajesh Mistry, Kenneth Charles Symes
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Patent number: 7754455Abstract: A biocatalytic method for the synthesis of 2-(N,N-dimethyl amino)ethanol and/or choline esters of acrylic acid and/or methacrylic acid comprising reacting 2-(N,N-dimethylamino)ethanol and/or choline with acrylyl-CoA and/or methacrylyl-coA in the presence of a biocatalyst with choline acetyltransferase activity. The acrylyl-CoA and/or the methacrylyl CoA is formed by the reaction of acrylate and/or methacrylate with coenzyme A in the presence of ATP and a biocatalyst with S-acetyl coenzyme A synthetase activity.Type: GrantFiled: March 9, 2005Date of Patent: July 13, 2010Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Jonathan Hughes, Kenneth Charles Symes
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Patent number: 7648715Abstract: Polymeric particles comprising a polymeric matrix and colourant distributed throughout the matrix, wherein the polymeric matrix that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C., and in which the first monomer is a salt of a volatile counterion component, characterized in that the polymeric matrix is impermeable to the colourant The particles obtainable by the process of the invention can be used in a variety of industrial processes, for instance in the manufacture of inks, paper and cosmetics.Type: GrantFiled: April 19, 2002Date of Patent: January 19, 2010Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Kishor Kumar Mistry, Kenneth Charles Symes, Janine Andrea Preston
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Publication number: 20100000946Abstract: A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation process for the production of a fermentation product, and which liquor comprises lignin, wherein the solids-liquid separation stage is assisted by a treatment system, characterised in that the treatment system comprises an anionic polymer, with the proviso that the treatment system and does not include a cationic polymer having an intrinsic viscosity (IV) of at least 4 dl/g.Type: ApplicationFiled: September 11, 2009Publication date: January 7, 2010Inventors: Jonathan Hughes, Rajesh Mistry, Kenneth Charles Symes
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Patent number: 7608191Abstract: A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation process for the production of a fermentation product, and which liquor comprises lignin, wherein the solids-liquid separation stage is assisted by a treatment system, characterized in that the treatment system comprises an anionic polymer, with the proviso that the treatment system and does not include a cationic polymer having an intrinsic viscosity (IV) of at least 4 dl/g.Type: GrantFiled: January 20, 2005Date of Patent: October 27, 2009Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Jonathan Hughes, Rajesh Mistry, Kenneth Charles Symes
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Patent number: 7582215Abstract: A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation process for the production of a fermentation product, which liquor comprises water, lignin and BOD, wherein the solids liquid separation stage is assisted by a treatment system, characterised in that the treatment system comprises either, (i) a cationic polymer having an intrinsic viscosity (IV) of at least 4 dl/g at a dose of above 2 kg/tonne based on dry weight of suspension, or (ii) a cationic polymer having an intrinsic viscosity (IV) of at least 4 dl/g and, (iii) an anionic polymer, and/or (iv) a cationic polymer of intrinsic viscosity of below 4 dl/g and a cationic charge density of at least 3 meq/g and/or (v) inorganic coagulants and/or (vi) charged microparticulate material.Type: GrantFiled: July 30, 2003Date of Patent: September 1, 2009Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Jonathan Hughes, Kenneth Charles Symes
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Publication number: 20090130729Abstract: The invention relates to a biocatalytic method or process for the synthesis of esters of acrylic acid and/or methacrylic acid free of positively chargeable/charged groups, comprising reacting one or more alcohols (alcohol starting materials) which are free of positively chargeable or charged groups with (meth)acrylyl-CoA, preferably in the presence of a catalyst (inorganic, organic or organometallic, or preferably a biocatalyst) capable of effecting the transfer of an alcohol radical from an alcohol starting material as defined above or below to (meth)acrylyl CoA under removal of the CoA moiety transferase activity, such as an enzyme of the transferase or hydrolase class of enzymes. The (meth)acrylyl-CoA is preferably formed by reaction of (meth)acrylic acid or its salts with coenzyme A in the presence of an energy providing substance and a biocatalyst e.g.Type: ApplicationFiled: September 12, 2006Publication date: May 21, 2009Inventors: Kenneth Charles Symes, Simon Andrew Collier, Yvonne Christine Armitage, Rajesh Mistry, Robert Baranyai
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Patent number: 6825162Abstract: Water soluble granules or particles of saldimine-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded disssolution of and improved action of the manganese complexes.Type: GrantFiled: March 11, 2004Date of Patent: November 30, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Menno Hazenkamp, Bryan David Grey, Kishor Kumar Mistry, Frank Bachmann, Josef Dannacher, Kenneth Charles Symes, Petr Kvita, Susanne Maier
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Publication number: 20040142842Abstract: Water soluble granules or particles of saldimine-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded disssolution of and improved action of the manganese complexes.Type: ApplicationFiled: March 11, 2004Publication date: July 22, 2004Inventors: Menno Hazenkamp, Bryan David Grey, Kishor Kumar Mistry, Frank Bachmann, Josef Dannacher, Kenneth Charles Symes, Petr Kvita, Susanne Maier
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Publication number: 20040136933Abstract: Polymeric particles comprising a polymeric matrix and colourant distributed throughout the matrix, wherein the polymeric matrix that has been formed from a blend of monomers comprising a first monomer which is an etnylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C, and in which the first monomer is a salt of a volatile counterion component, characterised in that the polymeric matrix is impermeable to the colourant The particles obtainable by the process of the invention can be used in a variety of industrial processes, for instance in the manufacture of inks, paper and cosmetics.Type: ApplicationFiled: October 20, 2003Publication date: July 15, 2004Inventors: Kishor Kumar Mistry, Kenneth Charles Symes, Janine Andrea Preston
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Patent number: 6753083Abstract: A particulate composition comprising particles having a core comprising a hydrophobic polymer within a shell, characterised in that the shell comprises a semi-permeable membrane. Particulate composition can be used for making a stable dispersion of particles uniformly distributed throughout a first hydrophobic liquid, wherein the particles comprise a core within a shell and the core comprises a hydrophobic polymer into has been imbibed a second hydrophobic liquid, Compositions can be used to encapsulate active substances and may be used in sustained release mechanisms.Type: GrantFiled: October 18, 2001Date of Patent: June 22, 2004Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Kishor Kumar Mistry, Janine Andrea Preston, Kenneth Charles Symes
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Publication number: 20020058732Abstract: A particulate composition comprising particles having a core comprising a hydrophobic polymer within a shell, characterised in that the shell comprises a semi-permeable membrane. Particulate composition can be used for making a stable dispersion of particles uniformly distributed throughout a first hydrophobic liquid, wherein the particles comprise a core within a shell and the core comprises a hydrophobic polymer into has been imbibed a second hydrophobic liquid, Compositions can be used to encapsulate active substances and may be used in sustained release mechanisms.Type: ApplicationFiled: October 18, 2001Publication date: May 16, 2002Inventors: Kishor Kumar Mistry, Janine Andrea Preston, Kenneth Charles Symes
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Patent number: 6361981Abstract: A solution having a high concentration of ammonium (meth)acrylate and which is substantially free of (meth)acrylonitrile is made by enzymatic hydrolysis of (meth)acrylonitrile in the presence of water using an enzyme that has Km for (meth)acrylonitrile below 500 &mgr;m and Ki for ammonium (meth)acrylate about 100,000.Type: GrantFiled: September 19, 2000Date of Patent: March 26, 2002Assignee: Ciba Specialty Chemicals Water Treatments LimitedInventors: Kenneth Charles Symes, Jonathan Hughes
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Patent number: 6359031Abstract: Particles have a hydrophilic core, for instance including an enzyme and a polymer, surrounded by a shell formed by interfacial condensation polymerisation in the presence of a polymeric stabilizer. Preferably the polymeric stabilizer is a random copolymer which will concentrate at the interface between oil and water and association by ionic interaction, condensation or otherwise is achieved between the stabilizer and one of the reactants before reaction with the other reactant. Dispersions of aqueous capsules in an aqueous medium are also disclosed.Type: GrantFiled: November 27, 2000Date of Patent: March 19, 2002Assignee: Ciba Specialty Chemicals Water Treatments LimitedInventors: Mads Lykke, Kishor Kumar Mistry, Ole Simonsen, Kenneth Charles Symes
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Publication number: 20010044483Abstract: A polymeric amphipathic stabilizer is formed of hydrophobic monomer units and hydrophilic monomer units which comprise carboxylic free acid or acid salt units and glycidyl or anhydride units. The glycidyl or anhydride units react onto reactive groups on polymer particles when dispersed in non-aqueous liquid and provide improved stability when the particles are subsequently dispersed in liquid electrolyte.Type: ApplicationFiled: July 31, 2001Publication date: November 22, 2001Inventors: Kenneth Charles Symes, Kishor Kumar Mistry, Mads Lykke, Ole Simonson
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Patent number: 6313197Abstract: A polymeric amphipathic stabiliser is formed of hydrophobic monomer units and hydrophilic monomer units which comprise carboxylic free acid or acid salt units and glycidyl or anhydride units. The glycidyl or anhydride units react onto reactive groups on polymer particles when dispersed in non-aqueous liquid and provide improved stability when the particles are subsequently dispersed in liquid electrolyte.Type: GrantFiled: August 9, 2000Date of Patent: November 6, 2001Assignee: CTBX Specialty Chemicals Water TreatmentInventors: Kenneth Charles Symes, Kishor Kumar Mistry
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Patent number: 6242405Abstract: A liquid detergent concentrate has an outer liquid detergent phase and enzyme containing particles dispersed in the liquid phase. The particles have a polymer shell formed from a condensation polymer which is permeable to water and low molecular weight components of the outer liquid phase and the core comprises the enzyme, an inner liquid detergent phase in substantially equilibrium with the outer phase and a core polymer which causes stretching as a result of osmosis when the concentrate is diluted in water. Encapsulated precipitated enzymes are also disclosed.Type: GrantFiled: January 8, 1998Date of Patent: June 5, 2001Assignees: Novo Nordisk A/S, Novozymes A/SInventors: Mads Lykke, Kishor Kumar Mistry, Ole Simonsen, Kenneth Charles Symes