Patents Represented by Attorney Mary E. Picken

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  • Styrene soluble unsatured polyester resin from polyethylene terephthalate
    Patent number: 5380793
    Abstract: This invention is a low cost styrene-soluble unsaturated polyester resin made using recycled or virgin polyethylene terephthalate. The PET is first glycolyzed using inexpensive glycols and then reacted with maleic anhydride and dicyclopentadiene, forming polyesters containing cyclopentadiene added by Diels-Alder reaction and/or norbornyl-terminated polyesters.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: January 10, 1995
    Assignee: Ashland Oil, Inc.
    Inventor: Timothy P. Pepper
  • Preparation of resins from phenolic compounds and oxazolines using ammonium or phosphonium salt catalysts
    Patent number: 5302687
    Abstract: A process for preparing a polymeric composition comprising reacting a mixture of at least one phenolic compound and at least one oxazoline compound in the presence of a catalytic amount of at least one ammonium salt and a tetracarbyl phosphonium salt, and optionally also in the presence of an alkyl halide is described.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: April 12, 1994
    Assignee: Ashland Oil, Inc.
    Inventors: Billy M. Culbertson, Omar Tiba, Gilbert M. Gynn
  • Adhesive for bonding EPDM rubber roofing membrane and bonding method employing same
    Patent number: 5232531
    Abstract: This invention relates to an adhesive for use with elastomeric substrates such as EPDM roofing materials, a method for splicing elastomeric substrates using splice adhesives and a laminate. The adhesive of this invention combines butyl rubber crosslinked after polymerization, halogenated butyl rubber, tackifying resin, and an isocyanate partially reacted with a diamine in a shelf stable product which rapidly forms strong bonds resistant to heat and humidity.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: August 3, 1993
    Assignee: Ashland Oil, Inc.
    Inventors: Laurence G. Dammann, John W. Fieldhouse, Michael C. Clingerman, Hsienkun Tsai
  • Primerless adhesive for fiberglass reinforced polyester substrates
    Patent number: 5143996
    Abstract: A two part structural polyurethane adhesive composition and a method of making that adhesive. The adhesive is useful for adhering unprimed fiberglass reinforced polyester substrates and combines an isocyanate terminated prepolymer, and aliphatic polyisocyanate and a curative made of polyol and diamine.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: September 1, 1992
    Assignee: Ashland Oil, Inc.
    Inventors: Daniel A. Chung, Laurence G. Dammann
  • Adhesive of butyl rubber, curing agent, c-black and tackifier
    Patent number: 5095068
    Abstract: A roofing adhesive particularly suited for use in connection with membrane roofing materials such as EPDM or neoprene is preferably compounded from butyl rubber, a cross-linking system for the butyl rubber and a tackifier. The tensile strength, elongation, modulus at 300% elongation and modulus at failure of the composition are adjusted within range by choice of components and concentration. The adhesive composition may preferably be formed into a tape for joining sheets of the membrane roofing material.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: March 10, 1992
    Assignee: Ashland Oil, Inc.
    Inventor: Jessie T. Chiu
  • Curative for structural urethane adhesive
    Patent number: 5002806
    Abstract: A curative for a two part structural primerless urethane adhesive for fiberglass reinforced polyester substrates curable at 240.degree. F. (116.degree. C.).
    Type: Grant
    Filed: January 11, 1990
    Date of Patent: March 26, 1991
    Assignee: Ashland Oil, Inc.
    Inventor: Daniel A. Chung
  • Primerless adhesive for fiberglass reinforced polyester substrates
    Patent number: 4923756
    Abstract: A laminated fiberglass reinforced polyester (FRP) substrate made using a primerless adhesive and the process of making the laminated FRP substrate. The primerless adhesive combines a prepolymer, an aliphatic polyisocyanate and a curative.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: May 8, 1990
    Assignee: Ashland Oil, Inc.
    Inventors: Daniel A. Chung, Laurence G. Dammann
  • Primer for use on EPDM roofing materials
    Patent number: 4897137
    Abstract: This invention is a primer for use on EPDM roofing membranes in conjunction with neoprene (polychloroprene) based contact adhesives which comprises an admixture of thermoplastic block copolymers, halogenated butyl rubber, aromatic hydrocarbon reinforcing resin and solvent.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: January 30, 1990
    Assignee: Ashland Oil, Inc.
    Inventors: Dennis P. Miller, Laurence G. Dammann
  • Splice adhesive for EDPM roofing and splicing method employing same
    Patent number: 4881996
    Abstract: This invention relates to a splice adhesvie for use with elastomeric substrates such as EPDM roofing materials and a method for splicing elastomeric substrates using splice adhesives. The splice adhesive of this invention combines halogenated pre-crosslinked isobutylene-isoprene copolymer butyl rubber, thermoplastic copolymer, hydrocarbon resin, quinoid cure mixture and solvent in a single formulation which is storage stable.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: November 21, 1989
    Assignee: Ashland Oil, Inc.
    Inventors: Stephanie Nussbaum, Roger L. Streets
  • Thermoset polymer compositions
    Patent number: 4771102
    Abstract: Thermoset polymers are prepared by reacting an ethylenically unsaturated resin monomer and a bicyclic amide acetal with a polyisocyanate in the absence or presence of a vinyl monomer. Reaction rates are suitable for effecting RIM processing. The resultant polymers exhibit improved impact resistance. Further variation in physical properties can be achieved through the use of a diol chain extender for the polyisocyanate.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: September 13, 1988
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Timothy A. Tufts, Joseph G. Holehouse
  • Bonding method employing primer for fiberglass reinforced polyester
    Patent number: 4755251
    Abstract: A primer composition for use on fiberglass reinforced polyester substrates combining an ether type low molecular weight epoxy resin, an amino functional silane and halogenated hydrocarbon solvent.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: July 5, 1988
    Assignee: Ashland Oil, Inc.
    Inventors: Richard L. Cline, Scott V. Nolletti, Thomas G. Rabito, Daniel A. Chung
  • Compositions thickened through urethane reaction
    Patent number: 4683266
    Abstract: A thickened composition which is cured by free-radical initiated polymerization is composed of a compound containing at least two ethylenically unsaturated double bonds per molecule; an active hydrogen-containing homopolymer or copolymer of a diene having a number average molecular weight of from 500 to 15,000; the active hydrogens being derived from hydroxyl, amino, or mercapto groups; and an organic polyisocyanate present in an amount sufficient to thicken said composition without gelation.
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: July 28, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Anthony C. Palermo, Roger M. Christenson, Glenn L. Mazza
  • Resinous molding compositions of a phenol, an oxazoline and an epoxy compound
    Patent number: 4652620
    Abstract: The disclosure is directed to thermoset resinous compositions having utility in the area of surface coating and molding applications, the latter including the preparation of high performance composites and the use in reaction injection molding processes. The contemplated compositions are obtained by polymerizing a reaction mixture comprising a polyfunctional 2-oxazoline compound, a compound or oligomer containing a plurality of aromatic hydroxyl groups and a polyfunctional epoxide.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: March 24, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Timothy A. Tufts, Billy M. Culbertson
  • Stable polyol-melamine blend for use in the manufacture of fire retardant flexible urethane foam
    Patent number: 4644015
    Abstract: Blends of polyol and melamine for use in the manufacture of fire retardant polyurethane foams are stabilized by the addition of diethanolamine, ethanolamine, trihexylamine, or mixtures thereof.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: February 17, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Carl Scaccia, Dennis H. Fisher, Peter E. Throckmorton
  • Primer and sealant for glass and coated metal
    Patent number: 4643794
    Abstract: The process of this invention uses a single primer and a fast curing two component adhesive sealant to adhere automotive glass surfaces to coated metal surfaces.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: February 17, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Jeffrey W. Saracsan, Stephen M. Oswalt
  • Method of adhering roofing materials
    Patent number: 4640730
    Abstract: This process of adhering sheet roofing materials uses a SBS block copolymer mixed with hydrocarbon resin. No primer is needed, both dry bonding with heat and wet bonding processes have good green strength.
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: February 3, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Roger L. Streets, Thomas G. Rabito, David N. Peresie
  • Fertilizer compositions, processes of making them and processes of using them
    Patent number: 4560400
    Abstract: Relates to a fertilizer product in granular form, to processes for making and using it. The granules have strength, sizes and weights suitable for mechanical dispensing and application to and into the soil. These granules combine particles of a nitrogen source of poor solubility in pH 7 water at 20.degree. C., that converts slowly to a useful form, together with a binder that holds these fine particles together.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: December 24, 1985
    Assignee: Melamine Chemicals, Inc.
    Inventors: G. Graham Allan, Donald E. Freepons, George M. Crews
  • Fertilizer processes and compositions using s-triazines
    Patent number: 4559075
    Abstract: Process of furnishing slow release nitrogen to field soil comprising inserting and distributing the soil in particulate or granular form melamine, ammeline, ammelide, cyanuric acid, mixtures thereof, their salts, and mixtures thereof.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: December 17, 1985
    Assignee: Melamine Chemicals, Inc.
    Inventor: Donald E. Freepons
  • Fertilizer processes and compositions using s-triazines
    Patent number: 4554003
    Abstract: Process of furnishing slow release nitrogen to field soil comprising inserting and distributing in the soil in particulate or granular form melamine, ammeline, ammelide, cyanuric acid, mixtures thereof, their salts, and mixtures thereof.
    Type: Grant
    Filed: April 8, 1983
    Date of Patent: November 19, 1985
    Assignee: Melamine Chemicals, Inc.
    Inventor: Donald E. Freepons
  • Tip for a dispenser of caulking, adhesive or sealant
    Patent number: D333955
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: March 16, 1993
    Assignee: Ashland Oil, Inc.
    Inventors: David J. Hatgas, David N. Peresie, Thomas P. Semans, Roger L. Streets