Patents by Inventor Kent Sorensen

Kent Sorensen 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).

  • Patent number: 10815361
    Abstract: The present invention refers to a method for producing a low-emitting plasticised polyvinylchloride composition, having a fusion time of less than 5.50 s and a volatility of less than 10% weight loss, by mixing pentaerythritol tetravalerate with a polyvinylchloride composition, the fusion time being measured according to DIN 54 802 and ISO/DIS 4574 and the volatility being measured according to ISO 176 Method A. In a further aspect the present invention refers to a thermoplastic article suitable for use in environments where the article is exposed to heat, wherein the thermoplastic article is based on a plasticized polyvinylchloride composition produced by the method of the present invention.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 27, 2020
    Assignee: PERSTORP AB
    Inventors: Anders Magnusson, Hakan Bjornberg, Niklas Persson, Maria Peterson, Kent Sorensen
  • Patent number: 10781348
    Abstract: Disclosed is an aqueous deicing and/or anti-icing composition, and the use thereof on areas in need of deicing and/or anti-icing, exhibiting substantially improved corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition. Said composition comprises 40-60% by weight of at least one alkali metal carboxylate, 0.1-0.5% by weight of benzoic acid and/or at least one alkali metal benzoate, 0.05-0.5% by weight of at least one alkali metal phosphate, 0.005-0.05% by weight of at least one alkali metal metasilicate, and 0.01-0.15% by weight of succinic acid and/or at least one alkali metal succinate. Balance to 100% by weight is water and said composition is pH adjusted to pH 9-12 by addition of at least one alkali metal hydroxide and/or carbonate. Disclosed is also a method of obtaining corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition by addition of 0.01-0.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: September 22, 2020
    Assignee: PERSTORP AB
    Inventors: Kent Sörensen, Marie Westerblad
  • Publication number: 20190264083
    Abstract: Disclosed is an aqueous deicing and/or anti-icing composition, and the use thereof on areas in need of deicing and/or anti-icing, exhibiting substantially improved corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition. Said composition comprises 40-60% by weight of at least one alkali metal carboxylate, 0.1-0.5% by weight of benzoic acid and/or at least one alkali metal benzoate, 0.05-0.5% by weight of at least one alkali metal phosphate, 0.005-0.05% by weight of at least one alkali metal metasilicate, and 0.01-0.15% by weight of succinic acid and/or at least one alkali metal succinate. Balance to 100% by weight is water and said composition is pH adjusted to pH 9-12 by addition of at least one alkali metal hydroxide and/or carbonate. Disclosed is also a method of obtaining corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition by addition of 0.01-0.
    Type: Application
    Filed: June 15, 2017
    Publication date: August 29, 2019
    Inventors: Kent SÖRENSEN, Marie WESTERBLAD
  • Patent number: 9932492
    Abstract: Disclosed is an oxidatively drying alkyd resin composition and a method for preparing said composition. Said composition is obtained by admixing an aqueous silica sol into a substantially 100% alkyd resin being in a liquid state either at ambient temperature or at an elevated temperature. Said silica sol is added in an amount of 0.1-10% by weight calculated as 100% silica on 100% alkyd resin. The use of a said composition is in a further aspect disclosed.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: April 3, 2018
    Assignees: PERSTORP AB, DYRUP A/S
    Inventors: Kent Sorensen, David Lof
  • Publication number: 20170369734
    Abstract: Disclosed is an oxidatively drying alkyd resin composition and a method for preparing said composition. Said composition is obtained by admixing an aqueous silica sol into a substantially 100% alkyd resin being in a liquid state either at ambient temperature or at an elevated temperature. Said silica sol is added in an amount of 0.1-10% by weight calculated as 100% silica on 100% alkyd resin. The use of a said composition is in a further aspect disclosed.
    Type: Application
    Filed: September 8, 2017
    Publication date: December 28, 2017
    Inventors: Kent Sörensen, David Löf
  • Publication number: 20170096543
    Abstract: The present invention refers to a method for producing a low-emitting plasticised polyvinylchloride composition, having a fusion time of less than 5.50 s and a volatility of less than 10% weight loss, by mixing pentaerythritol tetravalerate with a polyvinylchloride composition, the fusion time being measured according to DIN 54 802 and ISO/DIS 4574 and the volatility being measured according to ISO 176 Method A. In a further aspect the present invention refers to a thermoplastic article suitable for use in environments where the article is exposed to heat, wherein the thermoplastic article is based on a plasticized polyvinylchloride composition produced by the method of the present invention.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 6, 2017
    Applicant: PERSTORP AB
    Inventors: Anders Magnusson, Hakan Bjornberg, Niklas Persson, Maria Peterson, Kent Sorensen
  • Publication number: 20150203657
    Abstract: The present invention refers to a plasticiser, said plasticiser being an ester formed by reaction of a pentaerythritol and a monocarboxylic acid, having 4-5 carbon atoms. In a further aspect the present invention refers to the use of said plasticiser in blends and in a PVC resin. The plasticiser of the present invention is a non-phthalic plasticiser that has proven to have shorter fusion time and higher plasticising efficiency compared to commercial non-phthalic PVC plasticisers.
    Type: Application
    Filed: July 26, 2011
    Publication date: July 23, 2015
    Applicant: Perstorp AB
    Inventors: Karin Ohgren Gredegard, Anders Magnuesson, Hakan Bjornberg, Niklas Persson, Maria Peterson, Kent Sorensen
  • Patent number: 9034981
    Abstract: Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerizable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: May 19, 2015
    Assignee: PERSTORP CHEMICALS AB
    Inventors: Göran Ziegler, David James, Kent Sörensen
  • Publication number: 20140360408
    Abstract: Disclosed is an oxidatively drying alkyd resin composition and a method for preparing said composition. Said composition is obtained by admixing an aqueous silica sol into a substantially 100% alkyd resin being in a liquid state either at ambient temperature or at an elevated temperature. Said silica sol is added in an amount of 0.1-10% by weight calculated as 100% silica on 100% alkyd resin. The use of a said composition is in a further aspect disclosed.
    Type: Application
    Filed: December 20, 2012
    Publication date: December 11, 2014
    Inventors: Kent Sörensen, David Löf
  • Patent number: 7872057
    Abstract: A liquid radiation and thermally curing composition characterized in, that said composition comprises at least one ester between at least one tri or polyalcohol and acrylic and/or methacrylic acid, which ester has at least two hydroxyl groups, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefinic double bond, and an additive package comprising at least one photoinitiator, radical scavenger, light stabilizer, wetting agent and/or leveling agent, and optionally at least one monomeric or oligomeric reactive diluent.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: January 18, 2011
    Assignee: Perstorp Specialty Chemicals AB
    Inventors: David James, Kent Sörensen, Henrik Bernquist
  • Publication number: 20100265336
    Abstract: The invention refers to a digital camera 1 which can be used in a motion sensor 4. In order to be able to test the function of the camera, a light source 3 is provided which irradiates at least a part of the sensing matrix 2. The processor device 5 of the camera judges whether the output signal of the sensing matrix 2 corresponds correctly to the light which has irradiated the sensing matrix 2. Various test methods are disclosed, such as using varying wavelengths, ON/OFF-modulation, dependence on shutter time and illumination of various regions of the sensing matrix 2.
    Type: Application
    Filed: April 19, 2010
    Publication date: October 21, 2010
    Applicant: Carlo Gavazzi Services AG
    Inventors: Kent Sørensen, Per Thorsen, Nikolaj Wehner, Keld Benner Valbjørn
  • Publication number: 20100222448
    Abstract: Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerisable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.
    Type: Application
    Filed: March 16, 2006
    Publication date: September 2, 2010
    Applicant: PERSTORP SPECIALTY CHEMICALS AB
    Inventors: Göran Ziegler, David James, Kent Sörensen
  • Publication number: 20090069459
    Abstract: A liquid radiation and thermally curing composition characterized in, that said composition comprises at least one ester between at least one tri or polyalcohol and acrylic and/or methacrylic acid, which ester has at least two hydroxyl groups, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefinic double bond, and an additive package comprising at least one photoinitiator, radical scavenger, light stabilizer, wetting agent and/or leveling agent, and optionally at least one monomeric or oligomeric reactive diluent.
    Type: Application
    Filed: October 2, 2006
    Publication date: March 12, 2009
    Inventors: David James, Kent Sorensen, Henrik Bernquist
  • Publication number: 20090048419
    Abstract: A polyurethane elastomer obtained by reacting at the least a di, tri or polyisocyanate, a polycarbonate diol and a di, tri or polyalcohol characterized in, that said polycarbonate diol is at least one polycarbonate diol of a 2-alkyl-1,3-propanediol, a 2,2-dialkyl-1,3-propanediol, an alkoxylated 2-alkyl-1,3-propanediol and/or an aldoxylated 2,2-dialkyl-1,3-propanediol and/or is at least one polycarbonate diol comprising units from two or more said 1,3-propanediols, wherein alkyl is a linear or branched aliphatic alkanyl having 1-8 carbon atoms and alkoxylated is ethoxylated, propoxylated and/or butoxylated having 1-20 alkoxy units.
    Type: Application
    Filed: October 10, 2006
    Publication date: February 19, 2009
    Inventors: Jesper Fahlen, Birger Midelf, Anders Magnusson, Kent Sorensen
  • Publication number: 20060083864
    Abstract: The invention relates to a radiation curable hot melt composition comprising: a) 20 to 100 wt. % of a radiation curable resin or a mixture of radiation curable resins having a viscosity in the range from 15 to 10,000 mPas in the temperature range from 40 to 150° C., b) 0 to 50 wt. % of a hydroxyfunctional resin or oligomer or a mixture of hydroxyfunctional resins or oligomers, c) 0 to 10 wt. % of a photoinitiator, d) 0 to 50 wt. % of fillers and/or additives, and e) 0 to 40 wt. % of pigment, wherein the total amount of components a) to e) adds up to 100 wt. %. The invention further relates to a process for the coating of a substrate with such radiation curable hot melt composition. In this process the composition is heated to a temperature in the range from 40 to 150° C., is applied to the substrate, and then the coated substrate is exposed to electromagnetic radiation having a wavelength ??500 nm.
    Type: Application
    Filed: December 7, 2005
    Publication date: April 20, 2006
    Applicant: AKZO NOBEL N.V.
    Inventors: Ann Lindell, Klaas Kruithof, Kent Sorensen
  • Patent number: 6290869
    Abstract: A lubricant ester having enhanced hydrolytic stability is disclosed. The ester is a mono or diester of 2-ethyl-2-butyl-1,3-propanediol or an alkoxylate thereof and at least one carboxylic acid having 5-10 carbon atoms. The invention in a further aspect refers to a refrigeration working fluid comprising said ester and at least one halocarbon refrigerant.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: September 18, 2001
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Keith Ogemark, Carl-Axel Sjogreen
  • Patent number: 6225404
    Abstract: A thermoplastic compound comprising at least one linear or branched thermoplastic polymer or copolymer, having at least one reactive or graftable site (F1), which polymer is compounded with at least one hyperbranched dendritic polyester macromolecule being composed of a monomeric or polymeric nucleus and one or more monomeric or polymeric branching or spacing chain extenders. The macromolecule is optionally chain terminated and/or functionalized, whereby terminal chain extender functions, chain termination and/or functionalization provides the macromolecule with at least one reactive or graftable site (F2) being reactive to or graftable onto said reactive or graftable site (F1). In a further aspect, the invention relates to a thermoplastic composition comprising two or more components, whereby at least one is said thermoplastic compound. In yet a further aspect, the invention relates to a thermoplastic article made of one or more thermoplastic compounds, whereby at least one is said thermoplastic compound.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: May 1, 2001
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Bo Pettersson, Louis Boogh, Jan-Anders Edvin Mansson
  • Patent number: 6093777
    Abstract: A partially or fully cured thermosetting product which includes a cured and molded product of a thermosetting composition. The composition includes 70% to 99% by weight of at least one thermosetting resin or compound and 1% to 30% by weight of at least one toughening agent. The toughening agent is at least one hyperbranched dendritic macromolecule formed of ester units, optionally in combination with ether units.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: July 25, 2000
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Bo Pettersson, Louis Boogh, Jan-Anders Edvin Manson
  • Patent number: 5663247
    Abstract: A hyperbranched macromolecule of polyester type comprising a central monomeric or polymeric nucleus and at least one generation of a branching chain extender having at least three reactive sites of which at least one is a hydroxyl or hydroxyalkyl substituted hydroxyl group and at least one is a carboxyl or terminal epoxide group. The nucleus is an epoxide compound having at least one reactive epoxide group. Optionally, the macromolecule comprises at least one generation consisting of at least one spacing chain extender having two reactive sites of which one is a hydroxyl or hydroxyalkyl substituted hydroxyl group and one is a carboxyl or terminal epoxide group. The macromolecule may be terminated by means of at least one chain stopper.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: September 2, 1997
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Bo Pettersson
  • Patent number: 5523010
    Abstract: A process of lubricating or releasing comprising disposing a lubricant release composition between frictional contacting parts or between parts to be released from each other, respectively, wherein the composition includes 5-alkyl-1,3-dioxane-5-methanol and esters and/or ethers thereof, the alkyl in the aforementioned compounds being methyl or ethyl.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: June 4, 1996
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Lars-Olof Garpvall, Mats Johansson