Patents Represented by Attorney J. Hughes Powell, Jr.
  • Patent number: 4762902
    Abstract: Electron beam curable polyurethanes that have significantly improved dispersibility, improved magnetic pigment binder utility and result in improved magnetic tape for use in a variety of applications. This is accomplished by providing an oligomeric polyurethane that contains pendant carboxyl groups along the backbone chain.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: August 9, 1988
    Assignee: The B. F. Goodrich Company
    Inventor: Walter T. Murphy
  • Patent number: 4680380
    Abstract: Vapor phase chlorosulfonated polyolefins usually contain as much as about 100 to 200 parts of more per million of sulfur dioxide in the chlorosulfonated polyolefin particles, even after degassing, that is released over a period of time. The amount of sulfur dioxide released from vapor phase chlorosulfonated polyolefins can be reduced to an amount of less than 0.
    Type: Grant
    Filed: January 19, 1983
    Date of Patent: July 14, 1987
    Assignee: The B. F. Goodrich Company
    Inventors: George M. Benedikt, Dennis A. Barnes
  • Patent number: 4632986
    Abstract: Thiocarbamylsulfenamides are readily recovered from solutions of the thiocarbamylsulfenamides by the addition of a dilute aqueous caustic solution, to flash off the solvent separating the thiocarbamylsulfenamide from the resulting water slurry and drying the thiocarbamylsulfenamide.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: December 30, 1986
    Assignee: The BFGoodrich Company
    Inventors: Enrique G. Reynes, John O. Leising
  • Patent number: 4552932
    Abstract: Improved radiation curable polyurethanes are provided that are polymerizable crystalline polymers having terminal ethylenic unsaturation, relatively low molecular weights and that rapidly crystallize, are prepared from the reaction product of (1) certain polyester glycols and diisocyanates to form an isocyanate-terminated prepolymer that is then reacted with an ethylenic unsaturated alcohol to form the ethylenic unsaturated crystallizable polymer, or in the alternative, (2) the polyester glycol is reacted with an ethylenic unsaturated monoisocyanate to form the polymerizable crystallizable polymer, that can be used as such for example in preparing magnetic tape, as such, or in admixture with other materials, and which can be applied to a substrate from a melt, or formed by molding, extrusion, and then cured with appropriate energy as an electron beam.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: November 12, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Charles S. Schollenberger
  • Patent number: 4529533
    Abstract: Substituted 2-(2,6-di-t-butyl-4-alkylphenoxy)-4H-1,3,2-benzodioxaphosphorins that are readily prepared, for example from hindered phenols and ortho-methylolphenols, are effective heat and anti-oxidant stabilizers for organic materials subject to degradation by heat and oxygen, and provide particularly efficient stabilizer systems when combined with hydroxyphenylalkyleneyl isocyanurates.
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: July 16, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4522735
    Abstract: Amines are reacted with phosphorous trichloride to form N-dichlorophosphinoamines that are then reacted with a bisphenol in about equimolar amounts to provide polyphosphoramidite oligomers. The polyphosphoramidite oligomers are effective as stabilizers for polymers such as polyolefins, and form even more efficient stabilizer combinations with hydroxyphenylalkyleneyl isocyanurates.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: June 11, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4522902
    Abstract: Configurations of cross-linked or vulcanized amphophilic or quaternized block copolymer of haloalkyl epoxides and hydroxyl terminated alkadiene polymers are useful as battery separators in both primary and secondary batteries, particularly nickel-zinc batteries. The quaternized block copolymers are prepared by polymerizing a haloalkyl epoxide in the presence of a hydroxyl terminated 1,3-alkadiene to form a block copolymer that is then reacted with an amine to form the quaternized or amphophilic block copolymer that is then cured or cross-linked with sulfur, polyamines, metal oxides, organic peroxides and the like.
    Type: Grant
    Filed: May 14, 1984
    Date of Patent: June 11, 1985
    Assignee: The B. F. Goodrich Company
    Inventors: Robert J. Minchak, William N. Schenk
  • Patent number: 4523032
    Abstract: 3,5-Dialkyl-4-hydroxyphenyl-substituted acetic acids are prepared by reacting a 2,6-dialkylphenol with a haloform, a ketone and an alkali metal hydroxide. These 3,5-dialkyl-4-hydroxyphenyl-substituted acetic acids are also useful as stabilizers and in the preparation of derivatives thereof such as esters and the like.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: June 11, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: John T. Lai
  • Patent number: 4520151
    Abstract: Tris (3,6-di-t-butyl-2-naphthyl) phosphite is a heat and hydrolysis resistant stabilizer for organic materials subject to heat and ultra-violet degradation, and in combination with hydroxy-phenylalkyleneyl isocyanurates, provides a useful synergistic combination for use in polymers, particularly hydrocarbon polymers including the poly(olefins).
    Type: Grant
    Filed: April 2, 1982
    Date of Patent: May 28, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4515733
    Abstract: An improved process for preparing 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes is realized when the appropriate substituted-phenylphosphorodichloridite is reacted with water in the presence of a trialkyl amine wherein the alkyl groups contain 4 to 8 carbon atoms in acetone as the sole solvent, to provide the desired 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes in increased yields and of a higher purity.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: May 7, 1985
    Assignee: The B. F. Goodrich Co.
    Inventors: Dwight W. Chasar, Perry D. Matheny
  • Patent number: 4509949
    Abstract: Polymers of 98.9 to 95.5 weight percent of olefinically unsaturated carboxylic acids containing at least one activated double bond, 1 to about 3.5 weight percent of an alkyl acrylate ester of acrylic or methacrylic acid wherein the alkyl group contains 10 to 30 carbon atoms and 0.1 to less than 1 weight percent of a crosslinking monomer, are efficient thickeners in many applications where high ionic environments are encountered and may be used at lower concentrations to obtain equivalent or better results than prior art thickeners, and have been found to be particularly effective in print paste applications wherein there are reactive dyes, direct dyes and disperse dyes with high and varying ionic content. Further, in screen printing, improved print pastes are provided when they contain the novel polymers of this invention that have better rheology with less bounce back on release of printing pressure, and textile prints so made have better penetration.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: April 9, 1985
    Assignee: The B. F. Goodrich Company
    Inventors: Chor Huang, Robert K. Schlatzer
  • Patent number: 4507416
    Abstract: Novel stabilizers for organic materials subject to degradation, 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes are prepared by the reaction of substituted-phenylphosphorodichloridites, water and amines. The 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes, form effective stabilizer combinations with hindered and partly hindered phenols such as hydroxyphenylalkyleneyl isocyanurates, particularly when used in polymers, polyolefins, for example.
    Type: Grant
    Filed: May 12, 1983
    Date of Patent: March 26, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4507425
    Abstract: Vinylidene halide monomers are polymerized in water to form homo- and copolymer latices that are stable to mechanical agitation during polymerization and thereafter and to heat below 100.degree. C. are obtained when the vinylidene halide monomers are polymerized, optionally with other copolymerizable vinylidene monomers, in water in the presence of a catalyst or initiator and a neutralized polymer additive of an olefinically unsaturated carboxylic acid monomer containing at least one carboxylic acid group and a terminal methylene group, H.sub.2 C< copolymerized with at least one other copolymerizable vinylidene monomer containing a terminal vinylidene group CH.sub.2 <, said polymer additive having an acid number of greater than 50 to about 450 and a molecular weight of about 2,000 to about 50,000, used in amount of about one to thirty weight parts per one hundred weight parts of vinylidene monomers.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: March 26, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: David E. Weaver
  • Patent number: 4507414
    Abstract: Vinyl halide polymer compositions containing smoke retarding amounts of copper oxalate and an amine molybdate that form a carbonaceous char on burning do not exhibit char afterglow when such compositions also contain less than 20 weight parts of a Group IIA alkaline earth metal carbonate. Improved rigid vinyl halide polymer compositions, substantially free of liquid ester type plasticizers, also containing styrene copolymer process modifiers, copolymers of ethylene and vinyl acetate and graft copolymers of methacrylates, butadiene, and styrenes (MBS) polymers, are disclosed.
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: March 26, 1985
    Assignee: The B. F. Goodrich Company
    Inventors: Arthur W. McRowe, Randall J. Brown
  • Patent number: 4501684
    Abstract: 2-naphthyl phosphoramidites are readily and inexpensively prepared by the reaction of N-dichlorophosphinoamines with a 2-naphthol in an alkylamine. The 2-naphthyl phosphoramidites are stabilizers for polymers such as the polyolefins and enhance the stabilizing activity of hydroxyphenylalkyleneyl isocyanurates.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: February 26, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4495320
    Abstract: 3,6-di-t-butyl-2-naphthyl catechol phosphite is readily prepared by the reaction of catechol phosphorodichloridite and 3,6-di-t-butylnathphol in the presence of a trialkyl amine in a solvent. The 3,6-di-t-butyl-2-naphthyl catechol phosphite is an excellent stabilizer for polymers, including polypropylene, and forms synergistic combinations with hydroxyphenylalkyleneyl isocyanurates that provide excellent resistance to polymer breakdown during processing.
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: January 22, 1985
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight W. Chasar
  • Patent number: 4489008
    Abstract: Hydrolytically stable hydroxyl-terminated liquid polymers that are useful in the preparation of polyurethanes prepared by reacting at least one aminoalcohol with a carboxyl-terminated liquid polymer having a carbon-carbon backbone. The hydroxyl-terminated polymers have the formula ##STR1## wherein B is a carbon-carbon backbone, X is HO-- or HO--Y-- a univalent radical obtained by removing a hydrogen atom from an amine group of aminoalcohol containing one primary or secondary hydroxyl group and one primary or secondary amine group per molecule, and the polymers contain an average of greater than 1.5 terminal hydroxyl groups per molecule.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: December 18, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: Changkiu K. Riew
  • Patent number: 4481148
    Abstract: Hydroxyl-containing liquid polymers having an aliphatic polymeric backbone and sulfide linkages near the terminal portions of the polymer molecule are prepared by polymerizing (1) at least one of selected vinylidene monomers having at least one terminal CH.sub.2 .dbd.C< group per monomer molecule, together with (2) at least one hydroxyl-containing disulfide in the presence of (3) ultraviolet radiation.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: November 6, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: Changkiu K. Riew
  • Patent number: 4478972
    Abstract: Methods for preparing articles of manufacture comprising coated vinyl halide polymer surfaces which can be adhered to coated or uncoated vinyl halide surfaces by dielectric heat sealing are disclosed wherein said compositions contain water dispersions of acrylate polymers containing esters of acrylic and methacrylic acid, and optionally, copolymerizable unsaturated carboxylic acids in amounts of less than 10 weight percent of said polymers, and other vinylidene monomers such as unsaturated nitriles and vinyl aromatic monomers, and as essential ingredients, small amounts of ammonium salts and larger amounts of glycerine.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: October 23, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: James A. Conrady
  • Patent number: 4473451
    Abstract: An improved vapor phase process for chlorination of polyethylene in a fluidized bed is accomplished by chlorinating a mixture of powdered polyethylene and finely divided inorganic compounds having a dielectric constant of greater than about 40 and specific conductivity of greater than 10.sup.-13 and less than 10.sup.-1 (.OMEGA..sup.-1 cm.sup.-1) such as titanium dioxide, with chlorine, optionally under actinic light, at an initial temperature from about 20.degree.C. to about 70.degree. C. and raising the temperature of the reaction to at least about the crystalline melting point of the polyethylene and continuing the reaction until the polyethylene contains greater than 25 to 45 weight percent bound chlorine.
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: September 25, 1984
    Assignee: The BF Goodrich Company
    Inventors: George M. Benedikt, Donald M. Kurtz