Patents Represented by Attorney A. J. Good
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Patent number: 4891279Abstract: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.Type: GrantFiled: April 11, 1988Date of Patent: January 2, 1990Assignee: Great Lakes Carbon CorporationInventors: Louis A. Joo, Kenneth W. Tucker, Jay R. Shaner
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Patent number: 4874675Abstract: Composition for preparing a polymer concrete, a method of protecting or reconditioning surfaces by treatment with the composition, the protected or reconditioned surfaces thus-treated, and multi-package systems for bringing the components of the composition to an application site, wherein the composition comprises a substantially non-aqueous slurry of (1) an aggregate material and (2) a monomer binder system effective to bind the aggregate, upon curing, into a polymer concrete, the binder system comprising (a) a liquid comonomer component, (b) a solid, thermoplastic macromonomer component dissolved in the comonomer and comprising a linear polymer terminated at one or both ends with a polymerizable end group, and (c) a polymerization catalyst.Type: GrantFiled: September 25, 1987Date of Patent: October 17, 1989Assignee: Sartomer Company, Inc.Inventor: Gary W Ceska
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Patent number: 4812524Abstract: Novel polyurea/polyurethane two-component adhesive compositions are disclosed which comprise the reaction product of (a) a blend of an amine terminated polybutadiene and a polyhydroxybutadiene with (b) an aliphatic or aromatic di- or polyisocyanate and optionally chain extenders, tackifiers, coupling agents fillers and curingly effective amounts of catalyst.Type: GrantFiled: May 8, 1986Date of Patent: March 14, 1989Assignee: Pony Industries, Inc.Inventor: Jamil Baghdachi
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Patent number: 4812244Abstract: The rheological characteristics of aqueous well drilling fluids are improved by incorporating into the fluids small amounts of sulfonated styrene-maleimide copolymers and at least one water-soluble polymer prepared from acrylic acid or acrylate or their derivatives.Type: GrantFiled: September 24, 1987Date of Patent: March 14, 1989Assignee: Pony Industries, Inc.Inventors: Horace F. Lawson, Arthur H. Hale
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Patent number: 4802188Abstract: In a water cooled electrode assembly for an electric arc steel furnace, a water trap manifold 14 integral with the head assembly at the upper end of said electrode.Type: GrantFiled: September 26, 1985Date of Patent: January 31, 1989Assignee: Great Lakes Carbon CorporationInventors: Berch Y. Karagoz, Lyman T. Moore, Mark D. Travers, Donald P. Allen
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Patent number: 4800025Abstract: Apparatus for the dispersed gas flotation and separation of insoluble, dispersed contaminants from a liquid comprised of a horizontal series of flotation cells, separated by baffles that permit the substantially horizontal flow of liquid from one cell to the next, each cell being equipped with one or more gas dispersing nozzles and screens which aid in the coalescence and flotation of the contaminant particles, and an inclined baffle above the horizontal series of cells to urge the floated impurities toward a weir positioned to remove the impurities from the surface of the liquid.Type: GrantFiled: August 20, 1986Date of Patent: January 24, 1989Assignee: Pony Industries, Inc.Inventor: John A. Bibaeff
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Patent number: 4786350Abstract: A manufacturing process for providing an extruded polyvinyl chloride exterior siding with a weatherable layer of polyvinyl fluoride is disclosed. In a preferred embodiment, the process facilitates the production of dimensionally stable dark colored siding.Type: GrantFiled: April 13, 1987Date of Patent: November 22, 1988Assignee: Pony Industries, Inc.Inventors: Jeffrey E. Nesbitt, James E. Pierce
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Patent number: 4784776Abstract: Blends of formaldehyde-based aminoplast resins and water-soluble amines are employed in the purifications of aqueous liquids which contain suspended matter.Type: GrantFiled: September 19, 1986Date of Patent: November 15, 1988Assignee: Pony Industries, Inc.Inventor: Francis J. Mangravite, Jr.
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Patent number: 4782586Abstract: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.Type: GrantFiled: March 23, 1988Date of Patent: November 8, 1988Assignee: Great Lakes Carbon CorporationInventors: Louis A. Joo, Kenneth W. Tucker, Jay R. Shaner
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Patent number: 4781748Abstract: The corrosive effects of liquid nitrogen-based fertilizer compositions on metal surfaces is reduced by adding to the fertilizer compositions small amounts of amine oxides.Type: GrantFiled: October 17, 1986Date of Patent: November 1, 1988Assignee: Pony Industries, Inc.Inventors: Richard F. Miller, Marilyn W. Blaschke
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Patent number: 4745138Abstract: Radiation-curable low molecular weight partial ester copolymer compositions comprising products of a terminally ethylenically unsaturated compound and a maleic anhydride characterized by having free-anhydride functionality are provided. The partial esters are produced by esterification of certain copolymers with a hydroxyalkyl acrylyl compound, or an admixture thereof with a monohydric alcohol. The compositions of the invention are useful as radiation cross-linkable diluents for radiation-hardenable compositions, particularly in improving adhesion promotion and/or dispersive capabilities of binder resins.Type: GrantFiled: August 5, 1985Date of Patent: May 17, 1988Assignee: Pony Industries, Inc.Inventors: Chandrakant B. Thanawalla, Gary W. Ceska
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Patent number: 4740318Abstract: The rheological characteristics of aqueous well drilling fluids are improved by incorporating into the fluids small amounts of sulfonated styrene-maleic anhydride copolymers and at least one water-soluble polymer prepared from acrylic acid or acrylamide or their derivatives.Type: GrantFiled: December 13, 1985Date of Patent: April 26, 1988Assignee: Great Lakes Research Corp.Inventors: Arthur H. Hale, Horace F. Lawson
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Patent number: 4728452Abstract: The corrosion of metals in closed, aqueous cooling systems having a pH of 7.5 to 10.5 is inhibited by adding to the system a coolant concentrate comprising water, at least 10% by weight of a water soluble nitrite or a mixture of a water soluble nitrite and a water soluble nitrate, 0.2 to 2.0% by weight of at least one water soluble azole, and 0.1 to 1.0% by weight of a water soluble molybdate, to provide in the system concentrations of at least 200 ppm of the nitrite or nitrite/nitrate mixture, 2 to 20 ppm of the azole and 1 to 10 ppm of the molybdate.Type: GrantFiled: January 17, 1986Date of Patent: March 1, 1988Assignee: Pony Industries, Inc.Inventor: Gerald D. Hansen
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Patent number: 4728445Abstract: The rheological characteristics of aqueous well drilling fluids are improved by incorporating into the fluids small amount of sulfonated styrene-itaconic acid copolymers and at least one water-soluble polymer prepared from acrylic acid or acrylamide or their derivatives.Type: GrantFiled: December 13, 1985Date of Patent: March 1, 1988Assignee: Pony Industries, Inc.Inventor: Arthur H. Hale
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Patent number: 4728535Abstract: Thin carbon products are produced from cellulose material by impregnation with a carbonaceous material followed by curing and baking. The baked product may optionally be graphitized depending on end use.Type: GrantFiled: June 7, 1985Date of Patent: March 1, 1988Assignee: Great Lakes Carbon CorporationInventors: Louis A. Joo', Kenneth W. Tucker, Frank E. McCown, Jr.
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Patent number: 4726811Abstract: Hydrocarbon oils containing, as a pour point depressant, a terpolymer of a vinyl ester having a total of 4 to 8 carbon atoms, vinyl alcohol and ethylene, the copolymer having a weight average molecular weight of about 1,000 to 100,000.Type: GrantFiled: February 24, 1986Date of Patent: February 23, 1988Assignee: Pony Industries, Inc.Inventor: Richard F. Miller
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Patent number: 4722976Abstract: Composition for preparing a polymer concrete, a method of protecting or reconditioning surfaces by treatment with the composition, the protected or reconditioned surfaces thus-treated, and multi-package systems for bringing the components of the composition to an application site, wherein the composition comprises a substantially non-aqueous slurry of (1) an aggregate material and (2) a monomer binder system effective to bind the aggregate, upon curing, into a polymer concrete, the binder system comprising (a) a liquid comonomer component, (b) a solid, thermoplastic macromonomer component dissolved in the comonomer and comprising a linear polymer terminated at one or both ends with a polymerizable end group, and (c) a polymerization catalyst.Type: GrantFiled: November 22, 1985Date of Patent: February 2, 1988Assignee: Pony Industries, Inc.Inventor: Gary W. Ceska
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Patent number: 4722947Abstract: Radiation-curable low molecular weight partial ester copolymer compositions comprising products of a terminally ethylenically unsaturated compound and a maleic anhydride characterized by having free-anhydride functionality are provided. The partial esters are produced by esterification of certain copolymers under anhydrous conditions with a hydroxyalkyl acrylyl compound, or an admixture thereof with a monohydric alcohol. The compositions of the invention are useful as radiation cross-linkable diluents for radiation-hardenable compositions, particularly in improving adhesion promotion and/or dispersive capabilities of binder resins.Type: GrantFiled: August 5, 1985Date of Patent: February 2, 1988Assignee: Pony Industries, Inc.Inventors: Chandrakant B. Thanawalla, Gary W. Ceska
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Patent number: 4698161Abstract: Particulate materials in aqueous media such as heat exchange systems are dispersed by introducing into the system a polymer blend comprising about 50 to 99% by weight of (A) a water-soluble, dissociating, low molecular weight polymer of at least one alpha, beta-monoethylenically unsaturated carboxylic acid, and about 50 to 1% by weight of (B) a water-soluble, dissociating, lower molecular weight polymer selected from (1) vinyl aromatic polymers and (2) polymers of 2-acrylamido-2-methylpropanesulfonic acid. A typical polymer blend comprises, in neutralized form, (A) polyacrylic acid terminated with thioglycolic acid and (B) a polymer of sulfonated styrene and maleic anhydride.Type: GrantFiled: December 23, 1985Date of Patent: October 6, 1987Assignee: Pony Industries, Inc.Inventor: Gerald D. Hansen