Patents Represented by Attorney Martin B. Barancik

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  • Process for production of dihydric phenols
    Patent number: 4560808
    Abstract: A transalkylation process for the preparation of dihydric phenols comprising reacting, in the presence of an acid or base catalyst, at least one mole of an aromatic monohydroxy compound such as a phenol with at least one mole of an aromatic dihydroxy compound such as a dihydric phenol, thereby forming at least one dihydric phenol which is different than said aromatic dihydroxy compound.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: December 24, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Copolyester-carbonate composition
    Patent number: 4559388
    Abstract: Copolyester-carbonate resin containing composition comprising, in physical admixture:(i) at least one aromatic copolyester-carbonate resin;(ii) at least one aromatic polycarbonate resin;(iii) at least one amorphous polyester resin; and(iv) at least one polymer selected from(a) an olefin acrylate copolymer,(b) a polyolefin, and(c) an olefin diene trepolymer.This composition contains amounts of components (ii)-(iv) effective to improve the resistance to mild organic solvents and the impact properties of the copolyester-carbonate resin.
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: December 17, 1985
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Edward L. Belfoure
  • Composition
    Patent number: 4556704
    Abstract: A composition comprising an end-capped aromatic carbonate polymer wherein the end-cap is of the structure ##STR1## wherein R is ##STR2## wherein R.sub.1 and R.sub.2 are the same or different and are alkyl of one to six carbon atoms, inclusive; cycloalkyl of four to seven carbon atoms, inclusive; phenyl; one to three alkyl substituted phenyl each alkyl having one to three carbon atoms, inclusive; and R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a ring of four to six carbon atoms; and wherein R.sub.3 is alkyl of one to ten carbon atoms, inclusive; or cycloalkyl of four to eight carbon atoms, inclusive.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: December 3, 1985
    Assignee: General Electric Company
    Inventor: Niles R. Rosenquist
  • Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol
    Patent number: 4554309
    Abstract: Thermoplastic polymer exhibiting improved heat resistance comprised of 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 independently selected from alkyl radicals;R.sup.1 is independently selected from monovalent hydrocarbon radicals;X is selected from cycloalkylidene radicals containing from 8 to about 16 ring carbon atoms;each n is two; andm represents a whole number having a value of from 0 up to the number of replaceable hydrogen atoms present on X.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: November 19, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Polyestercarbonates exhibiting improved heat resistance from cycloalkylidene diphenol
    Patent number: 4554330
    Abstract: Linear thermoplastic polycarbonates derived from:(i) a carbonate precursor; and(ii) at least one dihydric phenol represented by the general formula ##STR1## wherein R is independently selected from hydrogen and lower alkyl radicals,X is selected from monocyclic cycloalkylidene radicals containing from 8 to about 16 ring carbon atoms, andn and n' are independently selected from whole numbers having a value of from 0 to 2 inclusive, with the proviso that the sum of n plus n' is at least one.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: November 19, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Process for the preparation of aromatic carbonates
    Patent number: 4554110
    Abstract: An improved process for the preparation of aromatic carbonates selected from aliphatic aromatic carbonates, diaromatic carbonates, and mixtures thereof comprising reacting a phenolic compound with a dialiphatic carbonate or an aliphatic aromatic carbonate in the presence of a catalytic amount of at least one catalyst selected from polymeric tin compounds containing recurring structural units represented by the general formula ##STR1## wherein: R is selected from monovalent hydrocarbon radicals; andR.sup.1 is selected from monovalent hydrocarbon radicals.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 19, 1985
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Aromatic polycarbonate containing N,N-dialkyl amide mold release agent
    Patent number: 4554302
    Abstract: A composition comprising an aromatic carbonate polymer in admixture with a mold release effective amount of a compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and are alkyl of one to twenty-five carbon atoms, inclusive with the proviso that the amide is not excessively volatizable under polymer processing conditions.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: November 19, 1985
    Assignee: General Electric Company
    Inventor: Kenneth F. Miller
  • Process for the production of aromatic carbonates
    Patent number: 4552704
    Abstract: An improved process for the preparation of aromatic carbonates selected from aliphatic aromatic carbonates, diaromatic carbonates, and mixtures thereof comprising reacting at least one phenolic compound with at least one dialiphatic carbonate or at least one aliphatic aromatic carbonate in the presence of a catalytic amount of at least one transesterification catalyst represented by the general formula ##STR1## wherein: X is selected from Sn and Ti; andR is selected from monovalent hydrocarbon radicalsand monovalent hydrocarbonoxy radicals.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 12, 1985
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Compatibilization of polycarbonate blends
    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
  • Polycarbonate of spiro dihydric phenol
    Patent number: 4552949
    Abstract: Polycarbonates exhibiting improved heat distortion temperatures which are comprised of the polymerized coreaction products of (i) a carbonate precursor, and (ii) at least one particular spiro dihydric phenol. These carbonate polymers are useful in the production of molded articles, sheet glazing materials, and films.
    Type: Grant
    Filed: October 21, 1983
    Date of Patent: November 12, 1985
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Soft top coated shaped polycarbonate article
    Patent number: 4550058
    Abstract: Soft coated shaped polycarbonate articles exhibiting improved resistance of the polycarbonate substrate to degradation by the plasticizers contained in the relatively soft top coat comprised of, in combination:(i) a shaped polycarbonate substrate;(ii) a protective intermediate layer disposed on said polycarbonate substrate comprised of at least one ply of a resinous material exhibiting plasticizer barrier properties, thermoformability, heat resistance, and compartibility with the underlying polycarbonate; and(iii) a relatively soft plasticized top coat comprised of at least one resinous material disposed on said intermediate layer.The substrate, intermediate layer, and top coat are all bonded together by means of suitable adhesives.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: October 29, 1985
    Assignee: General Electric Company
    Inventors: Patrick C. Collins, John M. Gasaway
  • Polyester carbonate from branched chain alkylidene dihydric phenol
    Patent number: 4547564
    Abstract: Aromatic copolyester-carbonates derived from a carbonate precursor, at least one difunctional carboxylic acid or a reactive derivative thereof, and at least one branched alkylidene dihydric phenol represented by the general formula ##STR1## wherein: R and R' are independently selected from halogen and monovalent hydrocarbon radicals;R.sup.1 and R.sup.3 are independently selected from hydrogen and alkyl radicals;R.sup.2 is selected from alkyl radicals, with the proviso that if R.sup.1 and R.sup.3 are both 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 copolyester-carbonates are useful in making molded articles, films, and the like.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: October 15, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Multilayer structure
    Patent number: 4543291
    Abstract: A multilayer structure comprising an outer layer of aromatic polycarbonate, an outer layer of a polyolefin and a tie layer between the aromatic polycarbonate and polyolefin layer, such tie layer comprising a copolymer of an olefin and an acrylate.
    Type: Grant
    Filed: December 12, 1984
    Date of Patent: September 24, 1985
    Assignee: General Electric Company
    Inventors: Harold F. Giles, Jr., Lorene E. Baccaro
  • Multilayer structure
    Patent number: 4543292
    Abstract: A multilayer structure comprising an outer layer of aromatic polycarbonate and an outer layer of a polyolefin, said outer layers tied together with a layer comprising an admixture of a polyolefin and a polyalkylene terephthalate, the polyalkylene terephthalate present in said quantities in the tie layer so as to provide adhesion between the outer layers.
    Type: Grant
    Filed: December 12, 1984
    Date of Patent: September 24, 1985
    Assignee: General Electric Company
    Inventors: Harold F. Giles, Jr., Lorene E. Baccaro
  • Polycarbonate compositions
    Patent number: 4539358
    Abstract: Ternary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate, an acrylate copolymer, and an organic, ester-type plasticizer.
    Type: Grant
    Filed: July 20, 1983
    Date of Patent: September 3, 1985
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Impact modified polycarbonate composition
    Patent number: 4536538
    Abstract: A composition comprising(a) a major amount of an aromatic polycarbonate;(b) a minor amount of an impact modifier comprising(i) an amorphous polyester comprising units derived from 1,4-cyclohexane dimethanol and aromatic dicarboxylic acid or ester forming derivative thereof and(ii) an olefin-acrylate copolymeric resin, the components b(i) and b(ii) in such quantities that the said composition had the following properties(a) thick section notched Izod impact resistance better than a,(b) double gate Izod impact resistance of a weld line better than a+b(i) and a+b(ii),(c) better resistance against basic organic solution than a+b(i) as measured by notched Izod in thin section.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: August 20, 1985
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Dihydric phenols
    Patent number: 4535191
    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: February 23, 1984
    Date of Patent: August 13, 1985
    Assignee: General Electric Company
    Inventors: Victor Mark, Charles V. Hedges
  • Ultraviolet light stabilized copolyestercarbonate
    Patent number: 4535104
    Abstract: A composition comprising an aromatic copolyestercarbonate article surface impregnated with an ultraviolet light degradation inhibiting effective amount of a compound of the formula ##STR1## wherein R is hydrogen or alkyl of one to twelve carbon atoms, inclusive.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: August 13, 1985
    Assignee: General Electric Company
    Inventor: Robert A. Pyles
  • Flame retardant polycarbonate
    Patent number: 4535108
    Abstract: Novel compounds of the metal salts of certain phenol ester sulfonic acids are useful as a flame retardant additive in polycarbonate composition.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: August 13, 1985
    Assignee: General Electric Company
    Inventors: Niles R. Rosenquist, John A. Tyrell
  • Flame retardant polycarbonate compositions
    Patent number: 4533690
    Abstract: A composition comprising an admixture of an aromatic polycarbonate and a flame retardant effective amount of a compound of the formula ##STR1## wherein M is an alkali or alkaline earth metal;R is alkyl, halo, nitro, trihalomethyl or cyano;m is an integer of one to about ten;n is an integer of zero, one, two, three or four; andp is an integer of two, three, four, five or six.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: August 6, 1985
    Assignee: General Electric Company
    Inventor: Niles R. Rosenquist