Patents by Inventor George R. Loucks

George R. Loucks 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).

  • Polyphenylene oxide blends
    Patent number: 4446278
    Abstract: A new class of polymer blends comprising (I) block copolymers of polyphenylene oxides and sterically-hindered aromatic polycarbonates and (II) vinyl aromatic resins.
    Type: Grant
    Filed: May 12, 1983
    Date of Patent: May 1, 1984
    Assignee: General Electric Company
    Inventor: George R. Loucks
  • Block copolymers of polyphenylene oxides and sterically-hindered aromatic polycarbonates
    Patent number: 4436876
    Abstract: This invention relates to block copolymers of polyphenylene oxides and sterically-hindered aromatic polycarbonates. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: March 13, 1984
    Assignee: General Electric Company
    Inventor: George R. Loucks
  • Block copolymers of polyphenylene oxides and sterically-hindered aromatic polycarbonates
    Patent number: 4377662
    Abstract: This invention relates to block copolymers of polyphenylene oxides and sterically-hindered aromatic polycarbonates. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: March 22, 1983
    Assignee: General Electric Company
    Inventor: George R. Loucks
  • Block copolymers of polyphenylene oxides and non-sterically-hindered high molecular weight aromatic polycarbonates
    Patent number: 4374959
    Abstract: This invention relates to block copolymers of polyphenylene oxides and non-sterically-hindered high molecular weight aromatic polycarbonates. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: October 8, 1981
    Date of Patent: February 22, 1983
    Assignee: General Electric Company
    Inventors: George R. Loucks, John R. Campbell
  • Block copolymers of polyphenylene oxides and non-sterically-hindered high molecular weight aromatic polycarbonates
    Patent number: 4374233
    Abstract: This invention relates to block copolymers of polyphenylene oxides and non-sterically-hindered high molecular weight aromatic polycarbonates. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: April 2, 1981
    Date of Patent: February 15, 1983
    Assignee: General Electric Company
    Inventors: George R. Loucks, John R. Campbell
  • Method and catalyst for making bisphenol
    Patent number: 4346247
    Abstract: A sulfonated polystyrene ion-exchange resin is provided having organo mercaptan groups attached to backbone sulfone radicals by covalent nitrogen-sulfur linkages. The ion-exchange resin can be used to effect phenol-ketone condensation in the synthesis of bisphenols.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: August 24, 1982
    Assignee: General Electric Company
    Inventors: Gary R. Faler, George R. Loucks
  • Block copolymers of polyphenylene oxides and polyformals of sterically-hindered dihydric phenols
    Patent number: 4345051
    Abstract: This invention relates to block copolymers of polyphenylene oxides and polyformals of sterically-hindered dihydric phenols. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: August 17, 1982
    Assignee: General Electric Company
    Inventor: George R. Loucks
  • Block copolymers of polyphenylene oxides and polyformals on non-sterically-hindered dihydric phenols
    Patent number: 4345050
    Abstract: The invention relates to block copolymers of polyphenylene oxides and polyformals of non-sterically-hindered dihydric phenols. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: August 17, 1982
    Assignee: General Electric Company
    Inventor: George R. Loucks
  • Formal-coupled polyphenylene oxides
    Patent number: 4340696
    Abstract: This invention relates to formal-coupled polyphenylene oxides. These new polymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: July 20, 1982
    Assignee: General Electric Company
    Inventors: Dwain M. White, George R. Loucks
  • Method and catalyst for making bisphenol
    Patent number: 4294995
    Abstract: A sulfonated polystyrene ion-exchange resin is provided having organo mercaptan groups attached to backbone sulfone radicals by covalent nitrogen-sulfur linkages. The ion-exchange resin can be used to effect phenol-ketone condensation in the synthesis of bisphenols.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: October 13, 1981
    Assignee: General Electric Company
    Inventors: Gary R. Faler, George R. Loucks
  • Polycarbonate copolymers
    Patent number: 4294954
    Abstract: Polycarbonate copolymers are provided consisting essentially of chemically combined bisphenol carbonate units and having from about 5 to 70 mole percent of such chemically combined bisphenol carbonate units in the form of o,p'-bisphenol dichloroethylene carbonate units. The polycarbonate copolymers have been found to possess valuable flame retardant properties and improved processability.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: October 13, 1981
    Assignee: General Electric Company
    Inventors: Charles M. Orlando, George R. Loucks
  • Method for making aromatic polyformals
    Patent number: 4260733
    Abstract: A method is provided for making linear film forming aromatic polyformals having a reduced percent by weight of aromatic polyformals in the cyclic state. Reduced cyclic polyformal content in the linear aromatic polyformal is achieved by a filtration of the reaction product of a bisphenol and methylene halide in the presence of an alkali metal hydroxide, followed by the addition of an antisolvent to the reaction mixture to effect reverse precipitation.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: April 7, 1981
    Assignee: General Electric Company
    Inventors: George R. Loucks, Frank J. Williams, III
  • Process of forming urethane-coupled polymers of quinone-coupled polyphenylene oxides
    Patent number: 4238580
    Abstract: A process of forming linear, branched and/or cross-linked urethane-coupled polymers of quinone-coupled polyphenylene oxides is described which comprises contacting in a high fluid shear stress reaction medium a polyfunctional isocyanate with a quinone-coupled polyphenylene oxide having an average hydroxyl group per molecule value greater than zero including 2.0 or less, and optionally, additionally, a polyphenylene oxide having an average hydroxyl group per molecule value greater than zero including 1.0 or less.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: December 9, 1980
    Assignee: General Electric Company
    Inventors: George R. Loucks, Dwain M. White
  • Process of forming heterocyclic-coupled block polymers of polyphenylene oxide
    Patent number: 4156771
    Abstract: A process of forming heterocyclic-coupled linear, branched and/or cross-linked polymers of polyphenylene oxides is described which comprises contacting heterocyclic halides with (a) polyphenylene oxides having an average hydroxyl group per molecule value greater than zero including 1.0 or less, or (b) quinone-coupled polyphenylene oxides having an average hydroxyl group per molecule value greater than zero including 2.0 or less, including mixtures of (a) and (b).
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: May 29, 1979
    Assignee: General Electric Company
    Inventors: George R. Loucks, Dwain M. White
  • Process for capping quinone-coupled polyphenylene oxides
    Patent number: 4156773
    Abstract: A process is disclosed which provides for an increase in the oxidative and/or thermal stability of quinone coupled polyphenylene oxides which comprises contacting quinone-coupled polyphenylene oxides with a capping agent in the presence of a water soluble base, and a catalytic phase transfer agent. The resulting new polymers have improved color and in combination with styrene resins provide thermoplastic compositions having improved chemical and physical properties.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: May 29, 1979
    Assignee: General Electric Company
    Inventors: George R. Loucks, Dwain M. White
  • Process of forming acyl-coupled polymers of quinone-coupled polyphenylene oxides
    Patent number: 4156772
    Abstract: A process of forming linear, branched and/or cross-linked acyl-coupled polymers of quinone-coupled polyphenylene oxides is described which comprises contacting di- and/or tri-functional acyl halides with quinone-coupled polyphenylene oxides having an average hydroxyl group per molecule value greater than zero including 2.0 or less.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: May 29, 1979
    Assignee: General Electric Company
    Inventors: George R. Loucks, Dwain M. White
  • Process of forming phosphorus containing block polymers of polyphenylene oxide
    Patent number: 4154771
    Abstract: A process of forming phosphorus containing linear, branched and/or cross-linked polymers of polyphenylene oxides is described which comprises contacting phosphoryl halides with (a) polyphenylene oxides having an average hydroxyl group per molecule value greter than zero including 1.0 or less, or (b) quinone-coupled polyphenylene oxides having an average hydroxyl group per molecule value greater than zero including 2.0 or less, including mixtures of (a) and (b).
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: May 15, 1979
    Assignee: General Electric Company
    Inventors: George R. Loucks, Dwain M. White