Patents Represented by Attorney J. G. Carter

Find this attorney in the Justia Lawyer Directory

  • Oligomeric vinyl ester resin compositions containing triazine groups and imino carbamate linkages
    Patent number: 4555554
    Abstract: Oligomeric vinyl esters are prepared by reacting (A) an epoxy resin prepared by co-oligomerizing (1) a mixed cyanate of a polyphenol and (2) an aromatic polyamine with (B) a monounsaturated monocarboxylic acid.These vinyl ester resins are (oligomeric vinyl ester and copolymerizable monomer blend) useful in the preparation of laminates, composites, castings, coatings and the like.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: November 26, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Titanium complexes and catalysts prepared therefrom
    Patent number: 4555497
    Abstract: Novel titanium compounds or complexes are prepared by reacting a titanium compound such as titanium tetraisopropoxide with a mixture comprising (a) at least one compound containing at least one aromatic hydroxyl group and (b) at least one compound having at least one aliphatic hydroxyl group. These compounds and/or complexes are useful as the transition metal component in Ziegler-Natta catalysts.
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: November 26, 1985
    Assignee: The Dow Chemical Company
    Inventors: William M. Coleman, III, Morris S. Edmondson
  • Hydroxyaromatic oligomers of a mixed cyanate and aromatic polyamine and epoxy resins thereof
    Patent number: 4555553
    Abstract: Novel hydroxyaromatic oligomers are prepared by the co-oligomerization reaction of a mixed cyanate of a polyphenol with an aromatic polyamine. These oligomers are useful in preparing epoxy resins therefrom.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: November 26, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Polymerization of olefins employing a catalyst containing a titanium component derived from alicyclic hydroxy compounds
    Patent number: 4554333
    Abstract: Olefins are polymerized in the presence of catalysts prepared from titanium compounds prepared by reacting a titanium compound such as titanium tetraisopropoxide with a compound containing at least one aliphatic hydroxyl group.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: November 19, 1985
    Assignee: The Dow Chemical Company
    Inventors: William M. Coleman, III, Morris S. Edmondson
  • Advanced epoxy resins having improved impact resistance when cured
    Patent number: 4552814
    Abstract: Epoxy resins are prepared by reacting a mixture of (A) a diglycidyl ether of a dihydric aliphatic material, (B) a polyglycidyl ether of a polyhydric phenol having an average of at least about 2.6 glycidyl ether groups per molecule and optionally (C) a diglycidyl ether of a dihydric phenol with a dihydric phenol in the presence of a catalyst.Coating compositions containing the aforementioned epoxy resins have improved chip resistance, chemical resistance or pencil hardness when cured.
    Type: Grant
    Filed: January 30, 1985
    Date of Patent: November 12, 1985
    Assignee: The Dow Chemical Company
    Inventors: Michael B. Cavitt, Neal L. Wassberg
  • Magnesium halide catalyst support and transition metal catalyst prepared thereon
    Patent number: 4547475
    Abstract: An improved magnesium halide catalyst support is prepared by combining a magnesium component represented by the general formula R.sub.2 Mg.xAlR'.sub.3 wherein R is a hydrocarbyl or a hydrocarbyloxy group; R' is a halide, hydrocarbyl, a hydrocarbyloxy, a carboxyl or an acyl group; and x has a value such that the atomic ratio of Al:Mg is 0.025:1 to 0.25:1 with a non-metallic halide source under conditions such that the reaction temperature does not exceed 60.degree. C.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: October 15, 1985
    Assignee: The Dow Chemical Company
    Inventors: Sarah M. Glass, Morris S. Edmondson
  • Allylated di or polycyclopentadiene diphenols and thermosettable compositions containing same
    Patent number: 4546129
    Abstract: New compositions of matter are disclosed which are allylated di and polycyclopentadiene diphenols. These new compositions are useful in thermoset resin compositions comprising styrene, a dicyclopentadiene-modified unsaturated polyesteramide and said allylated di and polycyclopentadiene diphenol(s).
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: October 8, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Polymer modified cyanate mixture and epoxy resins thereof
    Patent number: 4546131
    Abstract: Novel thermosettable compositions comprising a mixed cyanate of a polyphenol containing a copolymer of an ethylenically unsaturated compound and an alkenylphenyl cyanate are disclosed. These compositions are also useful in the preparation of novel epoxy resin compositions.
    Type: Grant
    Filed: January 15, 1985
    Date of Patent: October 8, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Method for preparing advanced epoxy resins
    Patent number: 4544731
    Abstract: The increase in hydrolyzable halide content in the preparation of advanced epoxy resins is decreased by conducting the advancement in the presence of an unsaturated organic compound.
    Type: Grant
    Filed: January 7, 1985
    Date of Patent: October 1, 1985
    Assignee: The Dow Chemical Company
    Inventors: Michael B. Cavitt, David J. Duncan
  • Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
    Patent number: 4544647
    Abstract: A catalyst for polymerizing olefins is the product resulting from mixing in an inert hydrocarbon diluent a mixture of (A) an organomagnesium material, (B) an organic hydroxyl-containing material, (C) a reducing halide source and (D) a transition metal compound.
    Type: Grant
    Filed: March 6, 1984
    Date of Patent: October 1, 1985
    Assignee: The Dow Chemical Company
    Inventors: Ricardo Fuentes, Jr., Calvin P. Esneault
  • Polymeric cyanate compositions
    Patent number: 4544704
    Abstract: New compositions of matter are disclosed which comprise (1) a copolymer of an ethylenically unsaturated aromatic cyanate and a polymerizable ethylenically unsaturated compound which is free of cyanate groups or mixture thereof, (2) optionally a polycyanate or mixture thereof and/or (3) an epoxy resin.
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: October 1, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Thermosettable polymers or prepolymers prepared from polymethylated pyrazines and aromatic polyaldehydes and cured products therefrom
    Patent number: 4543388
    Abstract: Thermosettable prepolymers or resins are prepared by reacting a pyrazine containing at least two substituent groups which have a hydrogen atom attached to a carbon atom which is attached to the ring with a material containing at least two aromatic aldehyde groups. These prepolymers or resins are curable to thermoset products having good mechanical and thermal properties. Thermoset polymers having good mechanical and thermal properties are also prepared by homopolymerization in the presence of N,N'-bis-imides or copolymerization of these prepolymers with N,N'-bis-imides. The prepolymers are suitable for preparing composites.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: September 24, 1985
    Assignee: The Dow Chemical Company
    Inventors: Duane S. Treybig, Loren L. Swearingen
  • Allylated di or polycyclopentadiene diphenols
    Patent number: 4540829
    Abstract: New compositions of matter are disclosed which are allylated di and polycyclopentadiene diphenols. These new compositions are useful in thermoset resin compositions comprising styrene, a dicyclopentadiene-modified unsaturated polyesteramide and said allylated di and polycyclopentadiene diphenol(s).
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: September 10, 1985
    Assignee: The Dow Chemical Company
    Inventor: Robert E. Hefner, Jr.
  • Reaction injection molded polyurethanes employing high molecular weight polyols
    Patent number: 4530941
    Abstract: Reaction injection molded polyurethanes prepared from a composition comprising (A) a relatively high molecular weight polyol, (B) a chain extender and (C) a polyisocyanate or polyisothiocyanate are improved by replacing a portion of the relatively high molecular weight polyol with an aminated or partially aminated polyoxyalkylene material.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: July 23, 1985
    Assignee: The Dow Chemical Company
    Inventors: Robert B. Turner, Richard D. Peffley, James A. Vanderhider
  • Room temperature coating compositions containing hydrolyzed epoxy novolac resins
    Patent number: 4530948
    Abstract: Properties of room temperatures cured epoxy resin coatings are improved by hydrolyzing at least a portion of the epoxy groups.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: July 23, 1985
    Assignee: The Dow Chemical Company
    Inventors: Michael B. Cavitt, Charles H. Moore
  • Catalyst prepared from organomagnesium compound, carbon dioxide compound, reducing halide source and transition metal compound
    Patent number: 4530915
    Abstract: A catalyst for polymerizing olefins is the product resulting from heating in an inert hydrocarbon diluent a mixture of (A) an organomagnesium material, (B) essentially anhydrous carbon dioxide, (C) a reducing halide source and (D) a transition metal compound.
    Type: Grant
    Filed: January 25, 1984
    Date of Patent: July 23, 1985
    Assignee: The Dow Chemical Company
    Inventors: Calvin P. Esneault, Ricardo Fuentes, Jr., Larry A. Meiske
  • Polymerization of olefins employing catalysts prepared from novel titanium compounds
    Patent number: 4528339
    Abstract: Olefins are polymerized in the presence of catalysts prepared from titanium compounds prepared by reacting a titanium compound such as titanium tetraisopropoxide with a compound containing at least one aliphatic hydroxyl group.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: July 9, 1985
    Assignee: The Dow Chemical Company
    Inventors: William M. Coleman, III, Morris S. Edmondson
  • Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
    Patent number: 4526943
    Abstract: Olefins are polymerized in the presence of, as a catalyst therefor, the catalytic reaction product resulting from admixing(A) at least one hydrocarbon soluble organomagnesium material;(B) at least one organic hydroxyl-containing material;(C) at least one reducing halide source; and(D) at least one transition metal (Tm) compound.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: July 2, 1985
    Assignee: The Dow Chemical Company
    Inventors: Ricardo Fuentes, Jr., Calvin P. Esneault
  • Vinyl ester resin composition
    Patent number: 4525544
    Abstract: Vinyl ester resins are prepared from epoxy resins and an adduct of (1) alpha, beta ethylenically unsaturated acids or anhydrides containing 4 or 5 carbon atoms; (2) an unsaturated hydrocarbon selected from dimers, codimers, oligomers and cooligomers of dienes containing 4 to 6 carbon atoms; (3) if component (1) is an anhydride, water, and optionally; (4) isomerization catalysts or reactants that cause isomerization; (5) monofunctional acids selected from acrylic acid or methacrylic acid; and (6) alpha, beta ethylenically unsaturated anhydrides containing 4 or 5 carbon atoms.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: June 25, 1985
    Assignee: The Dow Chemical Company
    Inventors: Donald L. Nelson, Mary H. Lamont
  • Polymerization of olefins
    Patent number: 4525556
    Abstract: Olefins are polymerized in the presence of a catalyst containing novel titanium compounds or complexes which are prepared by reacting a titanium compound such as titanium tetraisopropoxide with a compound containing at least one aromatic hydroxyl group.
    Type: Grant
    Filed: January 31, 1984
    Date of Patent: June 25, 1985
    Assignee: The Dow Chemical Company
    Inventors: William M. Coleman, III, Morris S. Edmondson