Patents by Inventor Victor Mark

Victor Mark 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).

  • Polyarylate resin of thiodiphenols and isophthalic acid or derivatives thereof
    Patent number: 4477647
    Abstract: Polyarylate resin compositions exhibiting flame retardancy comprised of at least one polyarylate resin derived from:(i) at least one aromatic dicarboxylic acid or a reactive derivative thereof; and(ii) from about 1 to 100 weight percent of at least one thiodiphenol and from 0 to about 99 weight percent of at least one dihydric phenol, based on the total amount of thiodiphenol and dihydric phenol.
    Type: Grant
    Filed: August 30, 1983
    Date of Patent: October 16, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Flame retardant copolyester-carbonate compositions
    Patent number: 4477632
    Abstract: Flame retardant and non dripping copolyester-carbonate compositions comprised of, in admixture:(i) a fluorinated polyolefin; and(ii) at least one halogen-free sulfur-containing copolyester-carbonate resin derived from (a) a carbonate precursor, (b) at least one halogen-free, sulfur-free and non-polycyclic dihydric phenol, (c) at least one halogen-free thiodiphenol, and (d) at least one difunctional carboxylic acid or a reactive derivative thereof.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 16, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Copolyester-carbonate resins
    Patent number: 4476294
    Abstract: Thermoplastic aromatic copolyester-carbonate resins exhibiting improved processability derived from:(i) at least one diester-diol which is the coreaction product of (a) at least one aromatic hydroxy carboxylic acid or an ester forming reactive derivative thereof, and (b) at least one diol selected from aliphatic diols, aliphatic ether diols, and aromatic diols;(ii) at least one dihydric phenol; and(iii) a carbonyl halide carbonate precursor.
    Type: Grant
    Filed: December 16, 1983
    Date of Patent: October 9, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Phenol compounds, process and polymers
    Patent number: 4474999
    Abstract: This invention relates to phenolic compounds that have utility as branching agents for the manufacture of randomly branched polycarbonates.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: October 2, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Flame retardant non-dripping polycarbonate compositions exhibiting improved thick section impact
    Patent number: 4473685
    Abstract: Flame retardant, non-dripping polycarbonate compositions exhibiting good thick section impact comprised of, in admixture:(i) a minor amount of a fluorinated polyolefin; and(ii) a carbonate copolymer based on the reaction products of(a) a carbonate precursor,(b) at least one halogen-free and sulfur free dihydric phenol, and(c) at least one halogen-free thiodiphenol.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: September 25, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Polycarbonate composition from branched chain dihydric phenol
    Patent number: 4469861
    Abstract: Aromatic polycarbonates derived from (i) a carbonate precursor, and (ii) at least one dihydric phenol represented by the general formula ##STR1## wherein: R and R' are independently selected from halogen radicals and monovalent hydrocarbon radicals;R.sup.1 is selected from hydrogen and alkyl radicals;R.sup.3 is selected from hydrogen and alkyl radicals;R.sup.2 is selected from alkyl radicals, with the proviso that when both R.sup.1 and R.sup.3 are hydrogen then R.sup.2 is selected from branched alkyl radicals containing at least three carbon atoms; andn and n' are independently selected from whole numbers having a value of from 0 to 4 inclusive.These polycarbonates are useful in the production of molded articles, films, and sheets.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: September 4, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Flame retardant polycarbonate compositions
    Patent number: 4469833
    Abstract: Improved non-opque flame retardant compositions comprised of, in admixture:(i) at least one aromatic polycarbonate resin derived from (a) at least one halogen-free and sulfur-free dihydric phenol, (b) a minor amount of at least one halogen-free thiodiphenol, and (c) a carbonate precursor; and(ii) a minor amount of at least one organic alkali or alkaline earth metal salt of sulfonic acid.
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: September 4, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Fluorinated diphenols and method for their preparation
    Patent number: 4467121
    Abstract: Fluorinated bisphenols having a fluorinated alkyl group and a hydrogen atom upon the methylene carbon atom are prepared at atmospheric pressure or at low pressures from a phenol reactant and a fluorinated aldehyde compound in the presence of gaseous hydrogen chloride or gaseous hydrogen bromide catalyst. The fluorinated bisphenols having the fluorinated alkyl group and a hydrogen atom upon the methylene carbon atom are produced in excellent yields and are used for making flame-retardant polycarbonates and polyester-carbonate copolymers.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: August 21, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Polyarylates exhibiting improved heat resistance
    Patent number: 4463160
    Abstract: Polyarylates derived from (i) at least one aromatic dicarboxylic acid, and (ii) at least one branched dihydric phenol wherein branching occurs on the carbon atom adjacent the benzylic carbon atom.
    Type: Grant
    Filed: December 17, 1982
    Date of Patent: July 31, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Polyarylate compositions
    Patent number: 4463161
    Abstract: Polyarylate resins derived from (i) an aromatic dicarboxylic acid; and (ii) a branched alkylidene dihydric phenol, wherein branching occurs on a carbon atom of the alkylidene radical which is at least one carbon atom removed from the benzylic carbon atom bridging the two phenolic residues.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: July 31, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Rubbery polyarylates
    Patent number: 4454308
    Abstract: There are provided novel polyarylates exhibiting rubbery or elastomeric properties which are derived from (i) at least one aromatic dicarboxylic acid or a reactive derivative thereof, and (ii) at least one dihydricphenol which contains as the briding group joining the aromatic residues a long straight chain 1,1-alkylidene radical.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: June 12, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Preparation of benzoate ester terminated polycarbonate with aroyl halide
    Patent number: 4448953
    Abstract: A process for preparing an aromatic polycarbonate of controlled molecular weight which comprises interfacially reacting in water and an organic solvent, a dihydric phenol, a carbonate precursor and a molecular weight controlling effective amount of a compound of the formula ##STR1## wherein n is an integer having a value of from 0 to 5 inclusive; Y is a halide or hydroxyl; and each R is independently selected from the group consisting of alkyl radicals, aryl radicals, alkaryl radicals, aralkyl radicals, alkoxy radicals, aryloxy radicals, halides, ##STR2## radicals wherein R.sup.2 is selected from hydrogen, alkyl radicals or acyl radicals or R.sup.3 is an acyl radical or --C.tbd.N. The polymers are useful in injection molded articles.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: May 15, 1984
    Assignee: General Electric Company
    Inventors: Niles R. Rosenquist, Victor Mark, Charles V. Hedges
  • Process for the preparation of substituted amidines
    Patent number: 4448975
    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: October 15, 1981
    Date of Patent: May 15, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Branched copolycarbonate from triphenol
    Patent number: 4446298
    Abstract: Novel triphenolic compounds having utility as branching agents and randomly branched polycarbonates useful for blow molding. The triphenolic compounds are reaction products of phenols and diketones. The triphenols can be unsubstituted, or substituted with alkyl groups, alkoxy groups or halogen radicals, or mixtures thereof.
    Type: Grant
    Filed: December 17, 1982
    Date of Patent: May 1, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Rubbery polycarbonates
    Patent number: 4446285
    Abstract: Novel polycarbonates are provided which exhibit rubbery and elastomeric properties which are the polymerized reaction products of:(i) a carbonate precursor; and(ii) at least one dihydric phenol represented by the general formula ##STR1## wherein R is selected from straight chain alkyl radicals containing from 8 to about 30 carbon atoms;each R.sup.1 is independently selected from halogen monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals;each R.sup.2 is independently selected from halogen, monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals; andn and n' are independently selected from whole numbers having a value of from 0 to 4 inclusive.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: May 1, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Heat resistant polyarylates
    Patent number: 4438241
    Abstract: Polyarylates derived from (i) at least one aromatic dicarboxylic acid or a reactive derivative thereof, and (ii) at least one cycloalkylidene dihydric phenol, wherein said cycloalkylidene contains from 8 to about 16 carbon atoms in the ring structure.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: March 20, 1984
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Flame retardant polycarbonate compositions
    Patent number: 4430485
    Abstract: Flame retardant polycarbonate and copolyestercarbonate compositions, and articles made therefrom, are disclosed which are obtained from polymers derived from non-polycyclic, sulfur-free diphenols and polymers derived from sulfur-containing diphenols.
    Type: Grant
    Filed: February 10, 1982
    Date of Patent: February 7, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Polycarbonate resins based on polyphenolic compounds
    Patent number: 4426513
    Abstract: Novel polyphenolic compounds are disclosed. These compounds have utility as branching agents in the production of novel, randomly branched polycarbonates ##STR1## .
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: January 17, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Branched aromatic polycarbonate from aliphatic polyol
    Patent number: 4415722
    Abstract: This invention relates to the use of polyol compounds as branching agents for the manufacture of randomly branched novel polycarbonates. The polycarbonates are useful for the fabrication of blow molded articles.
    Type: Grant
    Filed: March 19, 1982
    Date of Patent: November 15, 1983
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Aromatic branched polycarbonate from tetraphenol
    Patent number: 4415725
    Abstract: This invention relates to tetraphenolic compounds that have utility as branching agents for the manufacture of novel randomly branched polycarbonates. The polycarbonates are useful in the fabrication of blow molded articles.
    Type: Grant
    Filed: March 19, 1982
    Date of Patent: November 15, 1983
    Assignee: General Electric Co.
    Inventors: Charles V. Hedges, Victor Mark