Patents Represented by Attorney Herbert P. Price

Find this attorney in the Justia Lawyer Directory

  • Adhesive for low temperature applications
    Patent number: 4942201
    Abstract: Adhesive compositions are made from methacrylate ester monomers, elastomeric polymers having a Tg below -25.degree. C. and which are soluble in the monomers, core-shell polymers which swell in the monomers but do not dissolve therein, and free radical producing catalysts. These adhesive compositions when used in bonded assemblies exhibit a combination of high adhesive bond impact strength and high bulk tensile elongation.
    Type: Grant
    Filed: August 29, 1988
    Date of Patent: July 17, 1990
    Assignee: Illinois Tool Works, Inc.
    Inventors: Paul C. Briggs, Donald E. Gosiewski
  • Method for reducing the viscosity of aqueous fluid
    Patent number: 4941537
    Abstract: The viscosity of aqueous fluids thickened with a tertiary amino polygalactomannan is reduced by the addition of an alkali metal or alkaline earth metal salt of hypochlorous acid, or a chlorinated isocyanurate.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: July 17, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: Paul W. Langemeier, Martha A. Phelps, Michael E. Morgan
  • Stable solutions of prepolymers of thiodi(phenylcyanate) and laminating method employing same
    Patent number: 4940848
    Abstract: Stable prepolymer solutions are made from partially cyclotrimerized 4,4'-thiodi(phenylcyanate) dissolved in cyclopentanone. The prepolymer solutions are used to make flame retardant and thermally stable laminates.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: July 10, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventor: David A. Shimp
  • Flame retardant polycyanate ester blend
    Patent number: 4931545
    Abstract: Flame retardant thermoset compositions having excellent water absorption resistance, caustic resistance, and low dielectric constants are made from blends of the dicyanate ester of 4,4'-(hexafluoroisopropylidene) bisphenol and a different polycyanate ester of a polyhydric phenol.
    Type: Grant
    Filed: May 3, 1989
    Date of Patent: June 5, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: David A. Shimp, Steven J. Ising
  • Blends copolyester elastomers and chlorinated polyethylene
    Patent number: 4929656
    Abstract: Elastomeric compositions having resistance to hot grease aging are made from a blend of a thermoplastic copolyester elastomer, and chorinated polyethylene with or without the addition of a carbodiimide and a guanidine.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: May 29, 1990
    Assignee: Hoechst Celanese Corporation
    Inventor: Michael D. Golder
  • Process for the reduction of free epichlorohydrin in epoxy compounds
    Patent number: 4924013
    Abstract: A process for the reduction of free epichlorohydrin in epoxy compounds which involves the treatment of an epoxy compound with an alkali metal sulfite, preferably sodium sulfite.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: May 8, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventor: Joe M. Hunter
  • Quaternary ammonium acrylic monomers and alcohol soluble polymers made therefrom
    Patent number: 4918228
    Abstract: Quaternary ammonium containing monomers, represented by the formula: ##STR1## wherein R.sub.1 is H or methyl, R.sub.2 is an alkyl group containing 6 to 22 carbon atoms, D is an alkylene group containing 1 to 4 carbon atoms, or a hydroxyalkylene group containing 2 to 4 carbon atoms and X is an anion, are polymerized to form polymers useful in hair care preparations.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: April 17, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: Michael E. Morgan, Martha A. Phelps
  • Pellets of clay and superabsorbent polymer
    Patent number: 4914066
    Abstract: Moisture absorbing pellets useful as animal litter are made from a blend of bentonite clay and a solid water-swellable but water-insoluble organic polymeric hydrocolloid.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: April 3, 1990
    Assignee: Hoechst Celanese Corporation
    Inventor: Guy T. Woodrum
  • Ambient temperature curing polymer compositions containing acetoacetoxyethyl methacrylate, glycidyl methacrylate and a polymerizable acid
    Patent number: 4906684
    Abstract: Ambient curing coating compositions are made from aqueous dispersions of copolymers of acetoacetoxyethyl acrylate or methacrylate, glycidyl arcylate or methacrylate, and ethylenically unsaturated polymerizable acid and a different monomer copolymerizable therewith.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: March 6, 1990
    Assignee: RTZ Chemicals, Ltd.
    Inventor: Terence E. Say
  • Catalyst for the steam reforming of hydrocarbons
    Patent number: 4906603
    Abstract: A catalyst for the steam reforming of hydrocarbons contains nickel on an alumina/calcium aluminate support which is doped with 0.2 to 10 percent by weight of titanium dioxide. The titanium dioxide has the effect that the calcium aluminate is at least partially in the form of a hibonite [CaO(Al.sub.2 O.sub.3).sub.6 ] phase in an .alpha.-Al.sub.2 O.sub.3 matrix as defined by x-ray diffractometry.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: March 6, 1990
    Assignee: Sud-Chemie Aktiengesellschaft
    Inventors: Gotz Burgfels, Karl Kochloefl
  • Catalyst for the selective hydrogenation of polyunsaturated hydrocarbons and process for preparing the catalyst
    Patent number: 4906602
    Abstract: A catalyst for the selective hydrogenation of polyunsaturated hydrocarbons which contain entirely or predominantly more than five carbon atoms, containing palladium with a promotor on a metal oxide support. The promotor is a metal from the subgroup IB of the periodic system (preferably silver) and the metal oxide support (TiO.sub.2 optionally mixed with CeO.sub.2 and/or ZrO.sub.2) is macroporous, the pore volume being about 0.2 to 0.4, preferably about 0.25 to 0.30 ml per g of carrier and the proportion of the macropores having a diameter of more than 14 nm being at least 65%.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: March 6, 1990
    Assignee: Sud-Chemie Aktiengesellschaft
    Inventors: Michael Schneider, Karl Kochloefl, Jurgen Ladebeck, Gerd Maletz
  • Polycyanate esters of polyhydric phenols blended with thermoplastic polymers
    Patent number: 4902752
    Abstract: Curable compositions are made from blends of polycyanate esters of polyhydric phenols and amorphous, aromatic thermoplastic resins which are initially soluble in the polycyanate ester but which phase separate during curing of the polycyanate ester.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: February 20, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventor: David A. Shimp
  • Leak resistant absorbent product
    Patent number: 4902544
    Abstract: Leak resistant absorbent articles are made from a tubular casing of liquid permeable fabric wherein the casing is loosely filled with a mixture of particles of a crosslinked hydrocolloid and particles of other liquid absorbing material.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: February 20, 1990
    Assignees: Sheen Kleen, Inc., Hoechst Celanese Corporation
    Inventors: Dai W. Kim, Albert R. Cowling
  • Hydrophobically modified non-ionic polygalactomannan ethers
    Patent number: 4870167
    Abstract: Alkyl ethers of polygalactomannans wherein the alkyl groups contain 1 to 4 carbon atoms are further modified with long chain aliphatic epoxides wherein the long chains contain 8 to about 28 carbon atoms. The resulting derivatized polygalactomannans are particularly useful as thickening agents for aqueous systems.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: September 26, 1989
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: George M. Zody, Michael E. Morgan
  • Organophilic clay modified with zirconium aluminum organic complexes
    Patent number: 4866018
    Abstract: Organophilic clays useful for modifying the rheological properties of organic fluids are made from a smectite type clay, a quaternary ammonium compound and a zirconium-aluminum organic complex.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: September 12, 1989
    Assignee: United Catalyst
    Inventor: Donald R. Elliot
  • High temperature shift catalyst and process for its manufacture
    Patent number: 4861745
    Abstract: An improved catalyst for the high temperature shift reaction especially suited for low steam to gas ratio applications is made by dipping an iron oxide-chromium oxide catalyst in an aqueous copper salt solution, drying the catalyst and calcining it.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: August 29, 1989
    Assignee: United Catalyst Inc.
    Inventors: Dinah C. Huang, Jeffrey L. Braden
  • Process for preparing conductive plastic articles
    Patent number: 4851081
    Abstract: Conductive plastic articles are prepared by forming plastic pellets, etching the pellets in an etching bath, treating the pellets with a palladium-tin catalyst solution and an acidic accelerator, coating the pellets with metal, and heating the coated pellets.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: July 25, 1989
    Assignee: Celanese Engineering Resins
    Inventor: Alex Forschirm
  • Metal acetylacetonate/alkylphenol curing catalyst for polycyanate esters of polyhydric phenols
    Patent number: 4847233
    Abstract: Polycyanate esters of polyhydric phenols are cured with a liquid solution of a metal acetylacetonate in an alkylphenol. Such cured compositions are useful in structural composites, transfer molded-encapsulants, filmed structural adhesives and printed wiring boards.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: July 11, 1989
    Assignee: Hi-Tek Polymers, Inc.
    Inventor: David A. Shimp
  • Thixotropic cyanoacrylate adhesive composition
    Patent number: 4845151
    Abstract: Adhesive compositions having improved stability and surface insensitivity are made from a blend of (a) a 2-cyanoacrylate ester adhesive, (b) a polyoxyalkylene glycol, glycol ester, or glycol ether, and (c) fumed silica having no surface treatment.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: July 4, 1989
    Assignee: Illinois Tool Works, Inc.
    Inventor: George T. Sivy
  • Combination tub and pail opener
    Patent number: D303344
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: September 12, 1989
    Assignee: Indco Incorporated
    Inventor: Charles E. Broadus