Patents Represented by Attorney William F. Mufatti

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  • Benzoate ester terminated polyester-carbonate
    Patent number: 4330663
    Abstract: A polyester-carbonate polymer containing benzoate or substituted benzoate ester terminal groups.
    Type: Grant
    Filed: December 31, 1980
    Date of Patent: May 18, 1982
    Assignee: General Electric Company
    Inventor: Niles R. Rosenquist
  • Process for producing an ultraviolet radiation stabilized polymeric article
    Patent number: 4323597
    Abstract: A process for producing an ultraviolet radiation stabilized polymeric, particularly polycarbonate, article comprising impregnation of the surface layers of said article with an ultraviolet radiation absorber by first applying onto the surface of said article an ultraviolet radiation stabilizing composition containing an ultraviolet radiation absorber and a nonaggressive liquid carrier, and then heating the article with the stabilizing composition on its surface to a temperature sufficient for said absorber to diffuse into the surface layers of said article but insufficient to deleteriously affect the properties of the polymer.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: April 6, 1982
    Assignee: General Electric Company
    Inventor: Daniel R. Olson
  • Impact resistant laminate
    Patent number: 4322476
    Abstract: Improved impact or shock resistant laminates comprising a plurality of lamina including a back polycarbonate lamina opposite the direction of impact or shock, such back polycarbonate lamina having a relatively hard and brittle overlying or exposed layer or coating opposite the direction of impact, are provided by interposing intermediate layer between said hard and brittle exposed layer and the polycarbonate lamina which intermediate layer is softer and less brittle than said exposed layer, such intermediate layer reducing failure and spalling of the polycarbonate surface opposite the impact or shock receiving surface.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: March 30, 1982
    Assignee: General Electric Company
    Inventor: Richard E. Molari, Jr.
  • Process for producing an ultraviolet radiation stabilized polymeric article
    Patent number: 4322455
    Abstract: A process for producing an ultraviolet radiation stabilized polymeric, particularly polycarbonate, article comprising impregnation of the surface of said article with an ultraviolet radiation absorber by heating said polymeric article and applying onto the surface of said heated article an ultraviolet radiation stabilizing composition containing an ultraviolet radiation absorbing compound and a nonaggressive carrier.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: March 30, 1982
    Assignee: General Electric Company
    Inventors: Daniel R. Olson, Ta Y. Ching
  • 1-Methyl-2(alkylimino)pyrrolidines and 1-methyl 2(cycloalkylimino) pyrrolidines
    Patent number: 4321202
    Abstract: Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: March 23, 1982
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Process for purifying crude diphenols
    Patent number: 4320234
    Abstract: A process for purifying crude diphenols via a water co-solvent system is disclosed.
    Type: Grant
    Filed: June 6, 1980
    Date of Patent: March 16, 1982
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Ternary polycarbonate compositions containing polyacrylate and thermoplastic polyester
    Patent number: 4320212
    Abstract: Ternary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate, an acrylate copolymer, and thermoplastic polyester.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 16, 1982
    Assignee: General Electric Co.
    Inventor: Ping Y. Liu
  • Impact resistant double glazed structure
    Patent number: 4312903
    Abstract: An improved impact resistant double glazed structure comprising a back laminate positioned opposite the direction of impact, said back laminate comprising a plurality of laminae selected from polycarbonate, glass and solid resinous materials, and a front glass laminate positioned forward of said back laminate comprising a plurality of glass laminae, including a relatively thin front glass lamina facing the direction of impact having a thickness of from about 30 to about 220 mils, a relatively thin back glass lamina opposite the direction of impact having a thickness of from 30 to about 220 mils, and a relatively thicker glass core positioned intermediate said relatively thin back and front glass laminae.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: January 26, 1982
    Assignee: General Electric Company
    Inventor: Richard E. Molari, Jr.
  • Thermally stable polycarbonate compositions
    Patent number: 4312803
    Abstract: Thermally stable polycarbonate compositions are obtained by admixing with a high molecular weight aromatic polycarbonate resin a stabilizing amount of a bisphosphite.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: January 26, 1982
    Assignee: General Electric Company
    Inventors: Ronald L. Markezich, Gary L. Freimiller, Walter K. Olander, Robert J. Axelrod
  • Abrasion resistant silicone coated polycarbonate article
    Patent number: 4308317
    Abstract: A shaped, non-opaque coated polycarbonate article having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having disposed on the surface thereof a non-opaque primer layer of controlled thickness comprised of a thermoset acrylic polymer and disposed on said primer layer a non-opaque top coat comprised of a thermoset organopolysiloxane.
    Type: Grant
    Filed: January 10, 1980
    Date of Patent: December 29, 1981
    Assignee: General Electric Company
    Inventors: Daniel R. Olson, Ona V. Orkin, Karen K. Webb
  • Polycarbonate compositions having improved barrier properties
    Patent number: 4304899
    Abstract: Polycarbonate compositions having improved barrier properties; i.e., low water vapor transmission and low gas permeability, are obtained by employing selected mono- and di-alkyl substituted monomers.
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: December 8, 1981
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Silicone coated abrasion resistant polycarbonate article
    Patent number: 4298632
    Abstract: A non-opaque coated polycarbonate shaped article, and a process for producing the same, having improved abrasion and chemical solvent resistance comprising a polycarbonate substrate having thereon (i) a primer layer comprised of a thermoplastic acrylic polymer containing functional groups; and (ii) a top coat containing a thermoset organopolysiloxane on said primer layer.The process for producing said coated polycarbonate article comprises the steps of: (i) priming the surface of a polycarbonate substrate by forming a primer layer comprised of a thermoplastic acrylic polymer containing functional groups; (ii) applying a top coat composition containing a further curable organopolysiloxane onto the primed substrate; and (iii) curing the further curable organopolysiloxane to form a hard, abrasion and chemical solvent resistant top coat which is tenaciously and durably adhered to the polycarbonate substrate.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: November 3, 1981
    Assignee: General Electric Company
    Inventors: Siegfried H. Schroeter, Daniel R. Olson
  • Process for preparing a branched polycarbonate
    Patent number: 4294953
    Abstract: A process for preparing a thermoplastic, randomly branched aromatic polycarbonate is disclosed which comprises reacting a carbonate precursor, a dihydric phenol, and a dianhydride branching agent and maintaining the resultant reaction medium at a pH of from about 9 to about 12 to thereby produce a thermoplastic randomly branched aromatic polycarbonate.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: October 13, 1981
    Assignee: General Electric Company
    Inventors: Clayton B. Quinn, William Hilakos
  • Process for preparing polycarbonate using cyclic di- or triamine catalyst
    Patent number: 4291151
    Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of certain cyclic di- or triamines or salts of cyclic di- or triamines.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: September 22, 1981
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Plasticized polycarbonate composition
    Patent number: 4290934
    Abstract: A plasticized polycarbonate composition comprising in admixture a high molecular weight aromatic carbonate polymer and a minor amount of an organosulfur plasticizer.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: September 22, 1981
    Assignee: General Electric Company
    Inventors: Victor Mark, Phillip S. Wilson
  • Process for obtaining halogenated diphenols
    Patent number: 4291177
    Abstract: Highly pure dihalodiphenols or predetermined, statistical mixtures of unreacted, monohalo- and dihalodiphenols are obtained reacting the diphenol, which is suspended or dissolved in a suitable solvent, with a halogen while concurrently purging the reaction with a gas that is inert to the reaction.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: September 22, 1981
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles A. Wilson, II
  • Process for preparing polycarbonate using non-cyclic polyamine catalysts
    Patent number: 4291150
    Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of certain non-cyclic polyamines or salts of non-cyclic polyamines.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: September 22, 1981
    Assignee: General Electric Co.
    Inventor: Victor Mark
  • Foamable polyester composition
    Patent number: 4288561
    Abstract: A foamable thermoplastic injection moldable composition comprising in admixture (a) a polyester resin, (b) a filler selected from the group consisting of fibrous glass or a mineral or mixtures thereof in an amount of from about 5 to about 50 weight percent and (c) a minor amount of a foaming agent. The compositions can also include flame retardant additives.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: September 8, 1981
    Assignee: General Electric Company
    Inventors: Donald I. Craft, Morton Kramer
  • Process for preparing polycarbonate using certain nitrogen-containing heterocyclic compounds as catalysts
    Patent number: 4286084
    Abstract: An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a 5 to 8 membered heterocyclic compound which contains only carbon and nitrogen atoms in the ring and further characterized in that the ring contains at least two nitrogen atoms and at least one carbon atom, and in that the ring is aromatic in character and contains a maximum amount of olefinic unsaturation.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: August 25, 1981
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Process for preparing polycarbonates using substituted pyridine catalysts
    Patent number: 4286085
    Abstract: An interfacial polymerization process for preparing a high molecular weight aromatic carbonate polymer by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a substituted pyridine or a salt of a substituted pyridine.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: August 25, 1981
    Assignee: General Electric Company
    Inventors: Donald B. G. Jaquiss, Victor Mark, Lawrence C. Mitchell