Patents Represented by Attorney, Agent or Law Firm Bernadette M. Bennett
  • Patent number: 6667411
    Abstract: A method for the preparation of organooxysilanes containing at least one silicon-carbon bond is provided which comprises reacting at least one tetraorganooxysilane with at least one transition metal organo compound.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: December 23, 2003
    Assignee: General Electric Company
    Inventor: Florian Johannes Schattenmann
  • Patent number: 6646090
    Abstract: Condensation curable poly(fluoroorgano)siloxane-poly(silarylene)siloxane block copolymer compositions having a glass transition temperature not exceeding about −54° C. and excellent solvent resistance have been found useful as sealants. Polyalkoxysilylorgano compounds, such as 1,4-bis[trimethoxysilyl(ethyl)]benzene have been found to be effective as cross-linkers.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: November 11, 2003
    Assignee: General Electric Company
    Inventors: Navjot Singh, John Thomas Leman, John M. Whitney, Herman Otto Krabbenhoft
  • Patent number: 6639008
    Abstract: A silicone composition that includes at least one functionalized polydiorganosiloxane, at least one cure catalyst, at least one reactive diluant, and at least one thermally conductive filler is provided in the present invention. Further embodiments of the present invention include a method for substantially increasing the thermal conductivity of a silicone composition and a thermal interface material containing the aforementioned silicone composition.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: October 28, 2003
    Assignee: General Electric Company
    Inventors: Larry Neil Lewis, Steven Kennth Gifford, Slawomir Rubinsztajn
  • Patent number: 6630525
    Abstract: A polycarbonate is provided which contains residues of a dihydric phenol, at least one comonomer of a siloxane functional bisphenol, optionally, a branching agent and optionally, a flame retardant. Further embodiments of the present invention includes a method for producing a flame retardant polycarbonate.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: October 7, 2003
    Assignee: General Electric Company
    Inventors: James Anthony Cella, James Ross Fishburn, James Alan Mahood
  • Patent number: 6619294
    Abstract: A composition and method for making a silicone composition is provided which comprises at least one polysiloxane or silicone resin containing at least one linker, and at least one molecular hook.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: September 16, 2003
    Assignee: General Electric Company
    Inventors: Matthew David Butts, Susan Adams Nye, Christopher Michael Byrne
  • Patent number: 6608163
    Abstract: The present invention provides polycarbonate copolymers having improved hydrolytic stability, solvent resistance, or combinations thereof. In particular, certain of the copolymers of the invention have improved resistance to dilute caustic solution. Thus, the copolymers of the present invention are particularly useful as structural elements in applications where such elements routinely come in contact with caustic solutions, such as in automatic dishwashing equipment. Preferred comonomers include 4,4′-biphenol, bis-(4-hydroxyphenyl)terephthalamide (“BHPT”), and a bisimide bisphenol obtained by reacting Bisphenol A dianhydride (BPADA) with 4,4′-isopropylidene phenol aniline. The comonomers are utilized along with 2,2-bis(4-hydroxyphenyl)propane (Bisphenol A) in concentrations in a range between about 1 and about 50 weight percent of the repeating units in the polycarbonate.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: August 19, 2003
    Assignee: General Electric Company
    Inventors: Christian Maria Emile Bailly, Tiberiu Mircea Siclovan
  • Patent number: 6592997
    Abstract: A polydiorganosiloxane with a polar radical with a dipole moment greater than 2 debye provides a polydiorganosiloxane with an initial viscosity in a range between about 100 centipoise and about 50,000 centipoise. Further embodiments of the present invention include a silicone composition, a method for substantially increasing the thermal conductivity of a silicone composition, and a thermal interface material containing a silicone composition wherein the silicone composition includes the aforementioned polydiorganosiloxane.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: July 15, 2003
    Assignee: General Electric Company
    Inventors: Larry Neil Lewis, Steven Kenneth Gifford
  • Patent number: 6593425
    Abstract: The invention relates to transparent blends of polymers suitable for use in optical articles; the polymers contain residues of BCC and its derivatives, and have properties particularly suited for use in high density optical data storage media. The polymers further contain residues of other polymers, such as &agr;-methyl polystyrene and polystyrene derivatives; bisphenols, such as bisphenol A; cycloaliphatic polyester resins, such as PCCD and its derivatives or some combination of each.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: July 15, 2003
    Assignee: General Electric Company
    Inventors: Ramesh Hariharan, Gary Charles Davis, Marc Brian Wisnudel
  • Patent number: 6582825
    Abstract: A hydrophobicity imparting particulate is provided in the present invention. A silicone composition comprises (A) a silicone polymer and (B) a hydrophobicity imparting particulate filler that imparts a hydrophobicity property to the composition. An insulator comprises a housing portion that includes a cured product of (A) a silicone polymer and (B) a hydrophobicity imparting particulate filler. A hydrophobicity recovery property of a silicone polymer composition can be improved by determining a target hydrophobicity recovery property for the cured silicone composition, selecting a hydrophobicity imparting particulate (HIP) to impart the hydrophobicity recovery property to the silicone polymer composition and compounding a blend of (A) a silicone polymer and (B) the selected inorganic filler and heating to cure the blend.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: June 24, 2003
    Assignee: General Electric Company
    Inventors: Jayantha Amarasekera, John Raymond Krahn
  • Patent number: 6562470
    Abstract: A method for making a coated substrate, a system, and articles made thereby are provided wherein the coated substrate comprises a coating composition and a substrate. The coating composition comprises an alkenyl functional compound and a hydride functional compound, and the substrate comprises a catalytically effective amount of a platinum group metal catalyst having the formula ZxPt(0)Ly wherein L comprises an electron-withdrawing ester ligand, a quinone-based ligand, or combination thereof, y is in a range between about 1 and about 4, Z comprises a coordinating ligand, and x is in a range between 0 and about 3 wherein x+y is in a range between about 2 and about 4.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: May 13, 2003
    Assignee: General Electric Company
    Inventors: John Thomas Leman, Judith Stein, Kathryn Ann Shaffer
  • Patent number: 6552122
    Abstract: Aqueous emulsions of amine functionalized organopolysiloxane particles useful in personal care applications and methods for making are described. Useful compositions can be made by contacting at elevated temperatures, aqueous emulsions of organopolysiloxane particles having a volume average particle diameter in a range between about 300 nanometers and about 1 micron with an amine functionalized organosilicon source material, such as an aminoorganopolyalkoxysilane or an aminoorganopoly(diorganosiloxane) fluid.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: April 22, 2003
    Assignee: General Electric Company
    Inventors: Daniel Horace Craig, Wayne Francis Morgan
  • Patent number: 6521810
    Abstract: The present invention provides a method for treating contaminated media. The method comprises introducing remediating ions consisting essentially of ferrous ions, and being peroxide-free, in the contaminated media; applying a potential difference across the contaminated media to cause the remediating ions to migrate into contact with contaminants in the contaminated media; chemically degrading contaminants in the contaminated media by contact with the remediating ions; monitoring the contaminated media for degradation products of the contaminants; and controlling the step of applying the potential difference across the contaminated media in response to the step of monitoring.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: February 18, 2003
    Assignee: General Electric Company
    Inventors: Andrew Philip Shapiro, Roy Fred Thornton, Joseph James Salvo
  • Patent number: 6518218
    Abstract: A catalyst system and method for making carbon fibrils is provided which comprises a catalytic amount of an inorganic catalyst comprising nickel and one of the following substances selected from the group consisting of chromium; chromium and iron; chromium and molybdenum; chromium, molybdenum, and iron; aluminum; yttrium and iron; yttrium, iron and aluminum; zinc; copper; yttrium; yttrium and chromium; and yttrium, chromium and zinc. In a further aspect of the invention, a catalyst system and method is provided for making carbon fibrils which comprises a catalytic amount of an inorganic catalyst comprising cobalt and one of the following substances selected from the group consisting of chromium; aluminum; zinc; copper; copper and zinc; copper, zinc, and chromium; copper and iron; copper, iron, and aluminum; copper and nickel; and yttrium, nickel and copper.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: February 11, 2003
    Assignee: General Electric Company
    Inventors: Xiao-Dong Sun, Navjot Singh, Lionel Monty Levinson
  • Patent number: 6518357
    Abstract: A flame retardant polycarbonate composition includes (A) at least one polycarbonate and (B) a silsesquioxane flame retardant. The flame retardant polycarbonate composition can be made by providing a polycarbonate and incorporating a flame retardant amount of a silsesquioxane into the polycarbonate. An article can be molded from the composition.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: February 11, 2003
    Assignee: General Electric Company
    Inventors: Padmavathy Rajagopalan, John Robert Campbell, Larry Neil Lewis
  • Patent number: 6514617
    Abstract: A polymer comprising a tagging material is provided wherein the tagging material comprises at least one organic fluorophore dye, at least one inorganic fluorophore, at least one organometallic fluorophore, at least one semi-conducting luminescent nanoparticle, or combination thereof, wherein the tagging material has a temperature stability of at least about 350° C. and is present in a sufficient quantity such that the tagging material is detectible via a spectrofluorometer at an excitation wavelength in a range between about 100 nanometers and about 1100 nanometers. Further embodiments of the present invention include a method for identifying a polymer and an article comprising a polymer wherein the polymer contains the aforementioned tagging material.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: February 4, 2003
    Assignee: General Electric Company
    Inventors: Steven Frederick Hubbard, Radislav Alexandrovich Potyrailo, Philippe Schottland, Verghese Thomas
  • Patent number: 6515098
    Abstract: The damping performance of an article and a polycarbonate composition is improved and a storage medium for data is provided with a glass transition temperature greater than about 150° C.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: February 4, 2003
    Assignee: General Electric Company
    Inventors: Ramesh Hariharan, Kathryn Lynn Longley, Gary Charles Davis, Grant Hay
  • Patent number: 6506371
    Abstract: A composition and method for making a silicone composition is provided which comprises at least one polysiloxane or silicone resin, at least one molecular hook, and at least one linker.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: January 14, 2003
    Assignee: General Electric Company
    Inventors: Matthew David Butts, Susan Adams Nye, Christopher Michael Byrne
  • Patent number: 6501219
    Abstract: An environmentally favorable method is described for treating an incandescent lamp with a heat curable substantially organic solvent free silicone composition to improve the shatter resistance of the lamp.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: December 31, 2002
    Assignee: General Electric Company
    Inventors: Laurence Bigio, Ferenc Horkay, Richard Joseph Uriarte, Richard Albert Striker, Juliana Piukaso-Vich Reisman
  • Patent number: 6488921
    Abstract: A composition and method for making a silicone composition is provided which comprises at least one polysiloxane or silicone resin, at least one linker, and at least one molecular hook wherein the molecular hook comprises a heterocyclic trimethylpyrimidinium compound.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: December 3, 2002
    Assignee: General Electric Company
    Inventors: Matthew David Butts, Susan Adams Nye, Christopher Michael Byrne, Alan Roy Katritzky, Jon Walter Merkert
  • Patent number: 6489501
    Abstract: A method for forming at least one product silane, comprising reacting a transition metal hydride with a starting silane in a presence of a catalyst and at a temperature that exceeds a threshold temperature associated with said reacting.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: December 3, 2002
    Assignee: General Electric Company
    Inventor: Florian Johannes Schattenmann