Patents by Inventor Keith Redford

Keith Redford 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: 10344189
    Abstract: A conductive adhesive, such as an anisotropic conductive adhesive, comprising a population of conductive particles and a population of signal particles in an adhesive; wherein both the conductive particle population and the signal particle population have an average particle diameter of <200 ?m with a coefficient of variance of <10%; wherein the signal particles are arranged to provide an indication when they are deformed to a pre-determined height; and wherein the conductive particles are arranged such that they will not fail, e.g. crack or fracture, when deformed to a height larger than or equal to the pre-determined height at which the signal particles are arranged to provide the indication.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: July 9, 2019
    Assignee: Conpart AS
    Inventors: Keith Redford, Helge Kristiansen
  • Patent number: 9840762
    Abstract: A process for the preparation of an activated polymer particle comprising contacting a polymer particle with at least one polyamine, wherein said polyamine has three or more amino groups, to form a surface treated polymer particle; and applying a catalyst to the surface treated polymer particle to form an activated polymer particle. In some examples, the process can further comprise applying a metal coating to said activated polymer particle to form a metal coated polymer particle.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 12, 2017
    Assignee: Conpart AS
    Inventors: Keith Redford, Ionel Halaciuga, Dan V. Goia, Cathrine Braein Nilsen
  • Patent number: 9758702
    Abstract: An isotropic conductive adhesive having silver coated polymer beads within an adhesive matrix and a method of forming an isotropic conductive adhesive are disclosed. The mean average diameter of the polymer cores of the beads is less than 30 ?m, and the silver coating comprises interlinked silver deposits grown from dispersed nucleation sites scattered across the surface of the beads.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: September 12, 2017
    Assignee: CONPART AS
    Inventors: Helge Kristiansen, Keith Redford, Tore Helland
  • Patent number: 9487632
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X?NR1R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: November 8, 2016
    Assignee: Sinvent AS
    Inventors: Ferdinand Männle, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andressen, Kjell Olafsen, Terje Didriksen
  • Patent number: 9453113
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X=NR1R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: September 27, 2016
    Assignee: Sinvent AS
    Inventors: Ferdinand Männle, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andressen, Kjell Olafsen, Terje Didriksen
  • Patent number: 9214250
    Abstract: A heat-treated polymer particle comprising an addition polymer core particle which has had swollen and polymerized therein a blend of an aromatic alcohol with an aldehyde or a blend of an aromatic amine or urea with an aldehyde and which has been subsequently heat treated, e.g. to a temperature of at least 150° C.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 15, 2015
    Assignee: Conpart AS
    Inventors: Keith Redford, Helge Kristiansen, Heidi Johnsen, Ruth Schmid, Justyna Justynska
  • Publication number: 20150322298
    Abstract: A method of applying a conductive adhesive comprising: using a conductive adhesive 18 made up of conductive beads 12 in an adhesive matrix 8, the conductive beads comprising a polymer core and a conductive coating and having a maximum dimension of 100 ?m or less; and depositing droplets of the adhesive 18 on a substrate via a nozzle 20.
    Type: Application
    Filed: December 13, 2013
    Publication date: November 12, 2015
    Inventors: Helge Kristiansen, Keith Redford, Tore Helland, Jakob Gakkestad, Ottar Opland
  • Publication number: 20150175851
    Abstract: A conductive adhesive, such as an anisotropic conductive adhesive, comprising a population of conductive particles and a population of signal particles in an adhesive; wherein both the conductive particle population and the signal particle population have an average particle diameter of <200 ?m with a coefficient of variance of <10%; wherein the signal particles are arranged to provide an indication when they are deformed to a pre-determined height; and wherein the conductive particles are arranged such that they will not fail, e.g. crack or fracture, when deformed to a height larger than or equal to the pre-determined height at which the signal particles are arranged to provide the indication.
    Type: Application
    Filed: July 12, 2013
    Publication date: June 25, 2015
    Inventors: Keith Redford, Helge Kristiansen
  • Publication number: 20140330034
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X?NR1 R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Application
    Filed: July 14, 2014
    Publication date: November 6, 2014
    Applicant: SINVENT AS
    Inventors: Ferdinand MÄNNLE, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andressen, Kjell Olafsen, Terje Didriksen
  • Publication number: 20140323752
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X?NR1R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Application
    Filed: July 14, 2014
    Publication date: October 30, 2014
    Applicant: SINVENT AS
    Inventors: Ferdinand MÄNNLE, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andressen, Kjell Olafsen, Terje Didriksen
  • Patent number: 8802807
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X?NP1R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: August 12, 2014
    Assignee: Sinvent AS
    Inventors: Ferdinand Mannle, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andreassen, Kjell Olafsen, Terje Didriksen
  • Publication number: 20130323501
    Abstract: An isotropic conductive adhesive having silver coated polymer beads within an adhesive matrix and a method of forming an isotropic conductive adhesive are disclosed. The mean average diameter of the polymer cores of the beads is less than 30 ?m, and the silver coating comprises interlinked silver deposits grown from dispersed nucleation sites scattered across the surface of the beads.
    Type: Application
    Filed: May 29, 2013
    Publication date: December 5, 2013
    Applicant: Conpart AS
    Inventors: Helge Kristiansen, Keith Redford, Tore Helland
  • Publication number: 20130277621
    Abstract: A heat-treated polymer particle comprising an addition polymer core particle which has had swollen and polymerised therein a blend of an aromatic alcohol with an aldehyde or a blend of an aromatic amine or urea with an aldehyde and which has been subsequently heat treated, e.g. to a temperature of at least 150° C.
    Type: Application
    Filed: October 28, 2011
    Publication date: October 24, 2013
    Applicant: CONPART AS
    Inventors: Keith Redford, Helge Kristiansen, Heidi Johnsen, Ruth Schmid, Justyna Justynska
  • Publication number: 20130277623
    Abstract: A process for the preparation of an activated polymer particle comprising contacting a polymer particle with at least one polyamine, wherein said polyamine has three or more amino groups, to form a surface treated polymer particle; and applying a catalyst to the surface treated polymer particle to form an activated polymer particle.
    Type: Application
    Filed: October 28, 2011
    Publication date: October 24, 2013
    Applicant: CONPART AS
    Inventors: Keith Redford, Ionel Halaciuga, Dan V. Goia, Cathrine Braein Nilsen
  • Patent number: 8450451
    Abstract: Hardener for curing of epoxy resins which produces materials with high abrasion resistance, photostability and chemical resistance, comprising a sol prepared by controlled hydrolysis and condensation of compounds of the type: (X—B—)nSi(—Y)4-n where n=1 or 2, X?SH, —N?C?O, or NR1R2, R1, R2 being chosen from hydrogen, saturated or unsaturated C1-C18-alkyl, substituted or non-substituted aryl, formyl, aliphatic or aromatic carbonyl, carbamoyl, sulphonyl, sulphoxyl, phosphonyl, sulphinyl, phosphinyl, while the carbon chains of said compounds may include one or more of the elements oxygen, nitrogen, sulphur, phosphorus, silicon and boron, and/or may include one or more hydrolysable silane units, or R1, R2 are chosen from condensation products or addition products of one or more types or chemical compounds such as acids, alcohols, phenols, amines, aldehydes or epoxides; B is a spacing group chosen from saturated or unsaturated C1-C18-alkylene, substituted or nonsubstituted arylene, while the carbon chains of the st
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: May 28, 2013
    Assignee: SINTEF
    Inventors: Christian Simon, Ferdinand Männle, Jest Beylich, Rune H. Gaarder, Kjell Windsland, Keith Redford
  • Patent number: 7960492
    Abstract: Polybranched, particulate, organic/inorganic hybrid polymer in the form of a sol-gel product having the basic structure: Formula (I) where X is a linkage group chosen among C1-C18-alkylene and arylene, R1-R6 are chosen among hydrogen, C1-C18-alkyl, aryl, formyl, aliphatic or aromatic carbonyl, carbamoyl, sulphonyl, sulphoxyl, phosfonyl, sulphinyl or phosphinyl, or R1-R6 are chosen among condensation products and addition products of acids, alcohols, phenoles, amines, aldehydes or epoxides.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: June 14, 2011
    Assignee: Sinvent As
    Inventors: Ferdinand Mannle, Christian Simon, Jest Beylich, Keith Redford
  • Publication number: 20080039607
    Abstract: Polybranched, particulate, organic/inorganic hybrid polymer in the form of a sol-gel product having the basic structure: Formula (I) where X is a linakge group chosen among C1-C18-alkylene and arylene, R1-R6 are chosen among hydrogen, C1-C18-alkyl, aryl, formyl, aliphatic or aromatic carbonyl, carbamoyl, sulphonyl, sulphoxyl, phosfonyl, sulphinyl or phosphinyl, or R1-R6 are chosen among condensation products and addition products of acids, alcohols, phenoles, amines, aldehydes or epoxides.
    Type: Application
    Filed: April 15, 2005
    Publication date: February 14, 2008
    Inventors: Ferdinand Mannle, Christian Simon, Jest Beylich, Keith Redford
  • Publication number: 20070260030
    Abstract: Polybranched organic/inorganic hybrid polymer and method for its manufacture. The hybrid polymer has the form of an inorganic core carrying organic branches. The core is first prepared by controlled hydrolysis and condensation of a silane with a structure: X—B—Si(—Y)3 in which X?NP1 R2, while R1, R2 are chosen among hydrogen, alkyl and aryl, or R1, R2 are chosen among condensation products, addition products of one or more type of chemical substances such as acids, alcohols, phenols, amines, aldehydes or epoxides. B is a linkage group chosen among alkylene and arylene which may include oxygen, nitrogen, sulphur, phosphorous, silicon and boron. Y is chosen among hydrolyzable residues such as alkoxy, carboxyl, and halogen. The organic branches are developed by substituting N—H hydrogen atoms in the X—B group by reactions that are typical for primary and secondary amines, and/or by adding an acid that causes an addition to the N atoms of the X—B group in the core.
    Type: Application
    Filed: April 15, 2005
    Publication date: November 8, 2007
    Applicant: SINVENT AS
    Inventors: Ferdinand Mannle, Christian Simon, Jest Beylich, Keith Redford, Britt Sommer, Einar Hinrichsen, Erik Andressen, Kjell Olafsen, Terje Didriksen
  • Patent number: 7056987
    Abstract: The present invention refers to a process for preparing cross-linked polyolefins, comprising the steps of adding a diazido compound of the formula (I) N?N?N—X—R—X—N?N=N wherein R represents an aryl, alkyl or aralkyl group having 3 to 20 carbon atoms and X stands for —CO—, —O—CO— —SO2—, —PO2—, —PO3—, or —Si (?O)—, and a peroxide compound of the general formula (II) R1—X1—OO—X2—R2 wherein R1 and R2 are the same or different and represent hydrogen, an aryl, alkyl or aralkyl group having 3 to 20 carbon atoms and optionally comprising further peroxide groups, wherein one of R1 and R2 can form a ring, and X1 and X2 are the same or different and stand for a direct bond, —CO2— or —CO— to a polyolefin in powder or pellet form; mixing the product to obtain a mixture; extruding the mixture in an extruder at a temperature above the decomposition temperature of the diazido compound of formula (I) and of the peroxide compound of formula (II).
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: June 6, 2006
    Assignee: Borealis Technology OY
    Inventors: Kjetil Borve, Keith Redford, Aage Stori
  • Publication number: 20050288395
    Abstract: Hardener for curing of epoxy resins which produces materials with high abrasion resistance, photostability and chemical resistance, comprising a sol prepared by controlled hydrolysis and condensation of compounds of the type: (X—B—)nSi(—Y)4-n where n=1 or 2, X?SH, —N?C?O, or NR1R2, R1, R2 being chosen from hydrogen, saturated or unsaturated C1-C18-alkyl, substituted or non-substituted aryl, formyl, aliphatic or aromatic carbonyl, carbamoyl, sulphonyl, sulphoxyl, phosphonyl, sulphinyl, phosphinyl, while the carbon chains of said compounds may include one or more of the elements oxygen, nitrogen, sulphur, phosphorus, silicon and boron, and/or may include one or more hydrolysable silane units, or R1, R2 are chosen from condensation products or addition products of one or more types or chemical compounds such as acids, alcohols, phenols, amines, aldehydes or epoxides; B is a spacing group chosen from saturated or unsaturated C1-C18-alkylene, substituted or nonsubstituted arylene, while the carbon chains of the st
    Type: Application
    Filed: October 16, 2003
    Publication date: December 29, 2005
    Inventors: Christian Simon, Ferdinand Mannle, Jest Beylich, Rune Gaarder, Kjell Windsland, Keith Redford