Patents by Inventor George L. Brode

George L. Brode 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).

  • Patent number: 4618647
    Abstract: A process for the water-in-oil emulsion polymerization of at least one ethylenically-unsaturated monomer is disclosed wherein a water-in-oil emulsion of said monomer is polymerized in the presence of a first, highly reactive polymerization initiator until a small amount of polymer is present sufficient to provide a shear-stable emulsion, followed by completing the polymerization in the presence of a second, less reactive polymerization initiator.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: October 21, 1986
    Assignee: Union Carbide Corp.
    Inventors: You-Ling Fan, George L. Brode, Meyer R. Rosen
  • Patent number: 4608404
    Abstract: Described herein are compositions which contain a specific group of oligomeric diamine hardeners and epoxy compounds which when combined with structural fibers produce composites which have improved tensile properties, high compressive strengths, and improved impact resistance. These compositions also exhibit low moisture absorption.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: August 26, 1986
    Assignee: Union Carbide Corporation
    Inventors: Hugh C. Gardner, George L. Brode, Robert J. Cotter
  • Patent number: 4599390
    Abstract: A high molecular weight, water-soluble polymer, water-in-oil emulsions thereof and a flocculating process using same are disclosed. The polymer may be represented by the formula: ##STR1## wherein A represents a repeating unit derived from a hydrophobic vinyl monomer having a water-solubility of less than about 5 weight %; R.sub.1 and R.sub.3 are each hydrogen atom or a methyl group; R.sub.4 and R.sub.5 are each a hydrogen atom, a methyl group or an ethyl group; R.sub.2 represents a divalent hydrocarbon group having from 2 to 13 carbon atoms; X represents a monovalent cation; B represents a repeating unit derived from an ethylenically-unsaturated carboxylic acid or a salt thereof; m is about 0.1-10 mole %, n is about 1-40 mole %, p is about 20-98.9 mole %, and q is about 0-40 mole % with the proviso that m+n+p+q=100 mole % and r is a large positive integer.
    Type: Grant
    Filed: September 18, 1985
    Date of Patent: July 8, 1986
    Assignee: Union Carbide Corporation
    Inventors: You-Ling Fan, George L. Brode, Meyer R. Rosen
  • Patent number: 4579942
    Abstract: Water-soluble polysaccharides, including cellulose ethers, containing pendent vicinal dihydroxy structure capable of cis geometry, which upon crosslinking with a polyvalent metal, have shear-thermal stability characteristics of at least about 30 at 250.degree. F., are useful in oilfield applications.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: April 1, 1986
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, James P. Stanley, Emmett M. Partain, III
  • Patent number: 4578448
    Abstract: Disclosed are high-ortho phenol-formaldehyde resoles having stable hemiformal groups. These resoles are of low viscosity, are essentially free of unbound water and volatile organic compounds. They are curable to phenolic formaldehyde resinous solids and are particularly suitable for use in liquid injection molding processes to form composites.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: March 25, 1986
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, Sui-Wu Chow
  • Patent number: 4529782
    Abstract: Described herein are water soluble acrylamide containing polymers having an intrinsic viscosity of at least about 15 dl/g. These polymers are suitable for use in water purification.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: July 16, 1985
    Assignee: Union Carbide Corporation
    Inventors: You-Ling Fan, Nan S. Chu, George L. Brode, Meyer R. Rosen
  • Patent number: 4517321
    Abstract: The tensile properties and compressive strength of composites comprising epoxy resins and structural fibers are improved by the inclusion of a novel class of polynuclear aromatic diamine hardners exemplified by 4,4'-bis-(4-aminophenoxy) diphenyl sulfone and its analogs.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: May 14, 1985
    Assignee: Union Carbide Corporation
    Inventors: Hugh C. Gardner, Michael J. Michno, Jr., George L. Brode
  • Patent number: 4485209
    Abstract: Described herein is a semi-continuous process for producing a polymer water-in-oil emulsion which process comprises:(a) combining: (i) an aqueous solution comprising at least one water-soluble monomer and (ii) a mixture comprising a hydrophobic liquid, a hydrophobic monomer and an oil-soluble surfactant;(b) homogenizing the mixture from (a) to form a water-in-oil emulsion;(c) deoxygenating said homogenized water-in-oil emulsion;(d) continually adding the homogenized water-in-oil emulsion to a reactor while adding thereto a deoxygenated initiator solution;(e) heating the mixture from (d) under polymerization conditions so as to form a polymer water-in-oil emulsion, and(f) recovering a polymer water-in-oil emulsion.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: November 27, 1984
    Assignee: Union Carbide Corporation
    Inventors: You-Ling Fan, George L. Brode
  • Patent number: 4433129
    Abstract: This invention is directed to hemi-formals having the following formulas: ##STR1## wherein b is 1 to about 5, c is 1 to about 3, d is 0 to about 2, the sum of c and d does not exceed 3 and is equal to or greater than 1 and n has a value equal to or greater than 1. These materials can be used to manufacture phenolic resins and are adaptable to liquid injection molding processes.
    Type: Grant
    Filed: January 19, 1982
    Date of Patent: February 21, 1984
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, Sui-Wu Chow
  • Patent number: 4433119
    Abstract: There are described liquid compositions of a hemiformal of phenol and/or a hemiformal of a methylolated phenol with a miscible polymers such as phenol-formaldehyde resoles, phenol-formaldehyde, novolacs, aromatic polyesters, unsaturated polyesters, poly(aryl-ethers), aromatic polycarbonates urea-formaldehyde resins, or melamine-formaldehyde resins. The compositions are useful for forming thermoset plastic materials.
    Type: Grant
    Filed: January 19, 1982
    Date of Patent: February 21, 1984
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, Sui-Wu Chow
  • Patent number: 4430473
    Abstract: There are described composites containing from about 20 to about 70 weight percent of a reinforcing material, such as glass, carbon, graphite, or aromatic polyamide fiber, and from about 30 to about 80 weight percent of a thermosetting composition which contains hemiformals of phenol and methylolated phenol and a polymer miscible with the hemiformal.
    Type: Grant
    Filed: January 19, 1982
    Date of Patent: February 7, 1984
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, Sui-Wu Chow, Warren F. Hale
  • Patent number: 4403066
    Abstract: Disclosed are reinforced composites having a high content of reinforcing material such as glass fiber. They are made from liquid phenol-formaldehyde resoles containing a small amount of unbound water and volatile organic compounds.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: September 6, 1983
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, Sui-Wu Chow, Warren F. Hale
  • Patent number: 4395521
    Abstract: Latent catalysts comprising the phenyl esters of certain carboxylic acids are disclosed for use in the cure thermosetting resins curable by an acid catalyst.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: July 26, 1983
    Assignee: Union Carbide Corporation
    Inventors: Sui-Wu Chow, George L. Brode
  • Patent number: 4395520
    Abstract: Latent catalysts comprising certain sulfur dioxide containing compounds such as bubadiene sulfone are used in the cure of thermosetting resins which are curable by an acid catalyst.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: July 26, 1983
    Assignee: Union Carbide Corporation
    Inventors: Sui-Wu Chow, George L. Brode
  • Patent number: 3988374
    Abstract: A series of polyamide-imides which are both tractable and soluble in polar solvents as well as stable at high temperatures has been prepared by the condensation polymerization of aromatic diamines or oligomers containing oxygen, sulfone, and optionally alkylidene linkages with trimellitic acid, trimellitic acid anhydride or trimellitic anhydride acid chloride.
    Type: Grant
    Filed: September 21, 1971
    Date of Patent: October 26, 1976
    Assignee: Union Carbide Corporation
    Inventors: George L. Brode, James H. Kawakami
  • Patent number: 3931267
    Abstract: The silane compounds of the instant invention can be representated by the formula: ##SPC1##Wherein a has a value of 0 to 2 inclusive; wherein n is an integer of 1 or 2; wherein m has a value of 0 to 1 inclusive and wherein the sum of n + m is 2; and wherein X is a hydrolyzable group.
    Type: Grant
    Filed: July 31, 1974
    Date of Patent: January 6, 1976
    Assignee: Union Carbide Corporation
    Inventor: George L. Brode