Patents Represented by Attorney Gary L. Loser

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  • Sawblade segments utilizing polycrystalline diamond grit
    Patent number: 4883500
    Abstract: The present invention provides saw blade segments comprising polycrystalline diamond cutting elements and single crystal diamond cutting elements dispersed in a bonding matrix. In a preferred embodiment abrasion resistant particles are included so as to cause non-uniform wearing of the cutting segments. In another aspect of the invention, cutting segments are provided which utilize surface set polycrystalline diamond cutting elements larger than mesh size 18.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: November 28, 1989
    Assignee: General Electric Company
    Inventors: Martin E. Deakins, David E. Slutz, Neil R. Johnson, Thomas J. Clark, Harold P. Bovenkerk
  • System For improved flaw detection in polycrystalline diamond
    Patent number: 4832708
    Abstract: Disclosed is an improvement enabling a more reliable detection of flaws in polycrystalline diamond compacts by x-ray imaging and expecially for compacts used for wire drawing dies. In an embodiment, wire die compacts are prepared having a plycrystalline diamond core disposed within a metal carbide annulus. In the core are uniformly dispersed less than five (5) percent by weight particles such as tungsten carbide which initially have an average particle size substantially less than the diamond particles used to form polycrystalline mass.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: May 23, 1989
    Assignee: General Electric Company
    Inventor: Frank J. Csillag
  • Polycrystalline abrasive grit
    Patent number: 4828582
    Abstract: Diamond or CBN polycrystalline abrasive grit useful in tools for grinding or cutting is made by size reducing and leaching non-diamond or non-CBN material from a compact to provide polycrystalline abrasive grit having a selected and having a network of inter-connected, empty pores dispersed throughout.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: May 9, 1989
    Assignee: General Electric Company
    Inventor: Robert H. Frushour
  • System for improved flaw detection in polycrystalline diamond
    Patent number: 4810447
    Abstract: Disclosed is an improvement enabling a more reliable detection of flaws in polycrystalline diamond compacts by x-ray imaging and especially for compacts used for wire drawing dies. In an embodiment, wire die compacts are prepared having a polycrystalline diamond core disposed within a metal carbide annulus. In the core are uniformly dispersed less than five (5) percent by weight particles such as tungsten carbide which initially have an average particle size substantially less than the diamond particles used to form the polycrystalline mass.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: March 7, 1989
    Assignee: General Electric Company
    Inventor: Frank J. Csillag
  • Diamond and cubic boron nitride
    Patent number: 4807402
    Abstract: Abrasive compacts are described which comprise a support mass having abrasive masses bonded to each of the upper and lower surfaces of said support mass. Preferably, the abrasive masses are diamond or cubic boron nitride and the support mass is a sintered carbide. Bonding of the abrasive masses to the support mass preferably is accomplished by a high pressure, high temperature process.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: February 28, 1989
    Assignee: General Electric Company
    Inventor: Ghanshyam Rai
  • Interpenetrating polymeric network comprising polytetrafluoroethylene and polysiloxane
    Patent number: 4764560
    Abstract: There is provided a composition having interpenetrating matrices comprising (a) a first polymer network characterized by nodes interconnected by fibrils and (b) a second polymer network comprising diorganosiloxy units. In another aspect, there are provided compositions comprising an interpenetrating polymer network of polytetrafluoroethylene and polydiorganosiloxane. Methods for making the foregoing compositions are also provided.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: August 16, 1988
    Assignee: General Electric Company
    Inventor: Tyrone D. Mitchell
  • Purification of silicon halides
    Patent number: 4755370
    Abstract: A method for the selective removal of boron halides and other Lewis acid-type impurities from silicon halides is disclosed. Treatment of contaminated silicon halides with siloxanes, which react with the impurities, allow the distillation of silicon halide which is virtually free from contamination within extremely low limits of detectability.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: July 5, 1988
    Assignee: General Electric Company
    Inventors: William D. Kray, John S. Razzano
  • Novel silicone-ester waxes
    Patent number: 4725658
    Abstract: There are provided novel silicone-ester waxes having the general unit formula ##EQU1## where R is hydrogen or an organic radical, R.sup.1 is an ester-containing radical having at least 12 carbon atoms, a and b are independently selected integers from 0 to 3 inclusive, and the sum of a+b has an average value from about 1.0 to about 3.0, with the proviso that there is present at least one R.sup.1 radical.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: February 16, 1988
    Assignee: General Electric Company
    Inventors: Bianca K. Thayer, Frank J. Traver
  • Transparent membrane structures
    Patent number: 4719142
    Abstract: A curable silicone coating composition which is resistant to dirt pickup, comprising:(1) a vinyl chainstopped polysiloxane having a viscosity up to 2,000,000 centipoise;(2) 1 to 2 parts of a resinous organopolysiloxane copolymer per part of (1);(3) a platinum catalyst and,(4) an organohydrogenpolysiloxane crosslinking agent.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: January 12, 1988
    Assignee: General Electric Company
    Inventor: Frank J. Modic
  • Novel aminofunctional polysiloxane emulsions for treating textiles
    Patent number: 4705704
    Abstract: There are provided substantially trialkylsiloxy terminated polysiloxanes having at least one amino or substituted amino group linked to at least one trifunctional siloxy unit of said polysiloxane through an alkylene or arylene bridge. Emulsions of such polysiloxanes as well as methods for treating fabrics therewith are also provided.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: November 10, 1987
    Assignee: General Electric Company
    Inventors: Kimberley J. Lane, Frank J. Traver
  • Silicone coated optical fibers
    Patent number: 4689248
    Abstract: The present invention provides curable silicone compositions, comprising:(a) a substantially linear olefinic group-containing polydiorganosiloxane;(b) a resinous olefinic group-containing polysiloxane;(c) a reactive organic monomer;(d) an organohydrogenpolysiloxane, and(e) a hydrosilation catalyst.There are also provided articles of manufacture prepared by coating substrates such as optical fibers with said composition as well as methods for making said curable compositions and articles of manufacture.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: August 25, 1987
    Assignee: General Electric Company
    Inventors: Frank J. Traver, Simon M. John, Duane F. Merrill
  • Method for preventing premature curing of silicone compositions and compositions made thereby
    Patent number: 4681913
    Abstract: There is provided a method for preventing premature curing of curable silicone compositions comprising admixing with said curable composition an amount of Lewis base effective to neutralize any Lewis acid present therein.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: July 21, 1987
    Assignee: General Electric Company
    Inventors: Edwin R. Evans, Arnold Torkelson
  • Room temperature vulcanizable silicone compositions having improved adhesion
    Patent number: 4680364
    Abstract: There is provided a room temperature vulcanizable silicone rubber composition which upon curing to the solid, elastic state exhibits improved adhesion to various substrates, comprising:(a) a polydiorganosiloxane wherein the silicon atom at each polymer chain end has bonded thereto at least two hydrolyzable groups,(b) an effective amount of non-chelate condensation catalyst, and(c) an effective amount of metal chelate adhesion promoter.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: July 14, 1987
    Assignee: General Electric Company
    Inventor: Gary M. Lucas
  • Soluble silicone-imide copolymers
    Patent number: 4670497
    Abstract: There is provided a siloxane-imide copolymer composition having at least one polymeric block with a low glass transition temperature and at least one polymeric block with a high glass transition temperature.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: June 2, 1987
    Assignee: General Electric Company
    Inventor: Chung J. Lee
  • Novel acrylated polymers
    Patent number: 4663185
    Abstract: Acrylated silicone polymers are prepared by reacting limoneneoxide-functional silicones with acrylic acid or a substituted acrylic acid in the presence of a catalyst selected from tetraalkylurea (e.g. tetramethylurea), tetraalkylguanidine (e.g. tetramethylguanide) or mixtures thereof. Adhesion of the resulting ultraviolet light curable compositions to various substrates, especially super calendared kraft papers, can be improved with the addition of N-vinylpyrrolidinone.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: May 5, 1987
    Assignee: General Electric Company
    Inventor: Richard P. Eckberg
  • Ethylidenenorbornyl dimethylmethacryloxysilane
    Patent number: 4625043
    Abstract: An ethylidenenorbornyl dimethylmethacryloxysilane represented by the general formula (I): ##STR1## wherein Y represents the formula: ##STR2## or the formula: ##STR3##
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: November 25, 1986
    Assignee: Toshiba Silicone Co., Ltd.
    Inventor: Nobuhiro Saito
  • Curable organopolysiloxane composition useful for coating optical fibers
    Patent number: 4623700
    Abstract: The present invention provides curable silicone compositions, comprising:(a) a substantially linear olefinic group-containing polydiorganosiloxane;(b) a resinous olefinic group-containing polysiloxane;(c) a reactive organic monomer;(d) an organohydrogenpolysiloxane, and(e) a hydrosilation catalyst.There are also provided articles of manufacture prepared by coating substrates such as optical fibers with said composition as well as methods for making said curable compositions and articles of manufacture.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: November 18, 1986
    Assignee: General Electric Company
    Inventors: Frank J. Traver, Simon M. John, Duane F. Merrill
  • Nitrogen-containing organosilicon compounds
    Patent number: 4623739
    Abstract: A nitrogen-containing organosilicon compound represented by the general formula:(Y.sub.a R.sup.1.sub.3-a Si)bNHR.sup.2.sub.2-bwherein R.sup.1 stands for a saturated or unsaturated monovalent hydrocarbon group of 1 to 8 carbon atoms, R.sup.2 for a saturated or unsaturated monovalent hydrocarbon group of 1 to 6 carbon atoms, Y for ##STR1## a for an integer of the value of 1 to 3, and b for an integer of the value of 1 to 2.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: November 18, 1986
    Assignee: Toshiba Silicone Co., Ltd.
    Inventors: Junichiro Watanabe, Yuichi Funahashi
  • Novel silicone-containing interpenetrating polymer networks
    Patent number: 4618644
    Abstract: There is provided a curable composition comprising at least one silicone resin dispersed in at least one olefinic organic monomer.
    Type: Grant
    Filed: April 16, 1985
    Date of Patent: October 21, 1986
    Assignee: General Electric Company
    Inventor: Wan-Li Liu
  • Organosiloxane fabric coating compositions
    Patent number: 4618522
    Abstract: A method for imparting improved tear strength and improved flame retardance to a base fabric material comprising applying to at least one side of said base fabric material a base silicone coating composition containing an amount of non-abrasive filler effective for imparting tear strength and flame retardance.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: October 21, 1986
    Assignee: General Electric Company
    Inventor: Frank J. Modic