Patents Represented by Attorney John Schneller
  • Patent number: 4737545
    Abstract: A composition comprisinga. a major amount of an aromatic carbonate polymer;b. a minor amount of an aromatic carbonate polymer impact modifying composition comprising(i) a linear, sequential, or radial teleblock copolymer resin of a vinyl aromatic compound (A).sub.n and (A').sub.n and an olefinic elastomer (B), of the A--B--A'; A--(B--A--B).sub.n --A; A(--BA).sub.n B; B(A).sub.4 B; B(A).sub.4 ; or B((AB).sub.n B).sub.4 type, wherein n is an integer of from 1 to 10;(ii) an olefin alkylacrylate wherein the alkyl is one to six carbon atoms and the olefin is two to about five carbon atoms, inclusive, the olefin being from about 55 to 75 weight percent and the alkylacrylate from about 25 to 45 weight percent of the olefin alkylacrylate, said olefin alkylacrylate bringing about increased resistance of the composition comprising a and b to environmental stress crazing and cracking caused by gasoline.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: April 12, 1988
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Toshio Ishihara
  • Patent number: 4735993
    Abstract: A composition comprising an admixture of:(a) at least one high molecular weight aromatic carbonate resin; and(b) an impact modifying, gasoline solvent resistant effective amount of an ethylene alkylacrylate wherein alkyl is from one to six carbon atoms, inclusive, and the ethylene is from about 55 to 75 weight percent aand the alkylacrylate is from about 25 to 45 weight percent, based on the ethylene alkylacrylate polymer.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: April 5, 1988
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Toshio Ishihara
  • Patent number: 4735978
    Abstract: A flame retardant polycarbonate composition, comprising in admixture:an aromatic polycarbonate resin, an ortho-methyl substituted aromatic dihydroxy compound, and an additional flame retardant additive, said ortho-methyl substituted aromatic dihydroxy compound and said additional flame retardant additive being present in an amount sufficient to improve the flame retardant properties of said aromatic polycarbonate resin.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: April 5, 1988
    Assignee: General Electric Company
    Inventor: Toshio Ishihara
  • Patent number: 4599463
    Abstract: Processes for the preparation of bisphenols from phenols and substituted vicinal glycols, or unsaturated alcohols or substituted dienes resulting in bisphenols represented by the general formula: ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from monovalent hydrocarbon and monovalent hydrocarbonoxy radicals of one to four carbon atoms, or from halogen radicals;R.sup.3, R.sup.4 and R.sup.5 is each a lower alkyl radical, preferably of one to four carbon atoms, aryl radicals, alkaryl radicals, aralkyl radicals, and cycloalkyl radicals, and is the same or different; R.sup.5 may also be hydrogen.n and n.sup.1 are independently selected from whole numbers having a value of from 0 to 4 inclusive.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: July 8, 1986
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Patent number: 4562242
    Abstract: High molecular weight, thermoplastic, randomly branched polycarbonates of an aromatic dihydric phenol, a carbonate precursor, and a chain branching agent comprising at least one compound selected from the formula: ##STR1## where A is selected from alkylene radicals from 1 to 6 carbons, alkylidene radicals from 2 to 6 carbons, cycloalkylene radicals and cycloalkylidene radicals containing from 4 to 6 carbon atoms;R and R' are independently selected from halogen radicals, monovalent hydrocarbon radicals of from 1 to 4 carbon atoms, and monovalent hydrocarbonoxy radicals of from 1 to 4 carbon atoms;n is an integer having a value of 0 or 1; andp and p' are integers having a value of 0 or 1.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: December 31, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Patent number: 4552924
    Abstract: A process of molding a polymer admixture with improved compatability which comprises, preparing an admixture of (i) an aromatic carbonate polymer, (ii) a polyolefin or modified polyolefin in sufficient quantity to impact modify the aromatic carbonate polymer, and (iii) an amount of catalyst sufficient to compatibilize (i) and (ii) selected from the group consisting of basic compounds of alkali or alkaline earth metals and molding said admixture.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: November 12, 1985
    Assignee: General Electric Company
    Inventors: Niles R. Rosenquist, John A. Tyrell
  • Patent number: 4506065
    Abstract: A copolyestercarbonate composition, comprising:a dihydric phenol,a carbonate precursor, andan aromatic dicarboxylic acid or derivative thereof selected from the group consisting of terephthalic acid and acid derivatives, and a mixture of isophthalic and terephthalic acids, and acid derivatives with the mole ratio of isophthalic to terephthalic of about 0.1:9.9 to about 3:7said copolyestercarbonate containing from about 20 mole percent to about 50 mole percent ester content.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: March 19, 1985
    Assignee: General Electric Company
    Inventors: Kenneth F. Miller, Edward L. Belfoure
  • Patent number: 4496693
    Abstract: A composition comprising an admixture ofa. an aromatic carbonate polymer,b. a polyolefin or modified polyolefin in sufficient quantity to impact modify the aromatic carbonate polymer, andc. an amount of catalyst sufficient to compatibilize a and b selected from the group consisting of basic compounds of alkali or alkaline earth metals.
    Type: Grant
    Filed: December 1, 1983
    Date of Patent: January 29, 1985
    Assignee: General Electric Company
    Inventors: Niles R. Rosenquist, John A. Tyrell