Patents Represented by Attorney William J. Davis

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  • Method for inhibiting the formation of gas hydrates
    Patent number: 6093863
    Abstract: A composition for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit, comprising, (a) a polymer or copolymer selected from a terpolymer of vinyl pyrrolidone, vinyl caprolactam and an ammonium derivative monomer having from 6 to 12 carbon atoms, selected from the group consisting of dialkyl aminoalkyl methacrylamide, dialkyl dialkenyl ammonium halide and a dialkylamino alkyl acrylate or methacrylate, a copolymer of vinyl pyrrolidone and vinyl caprolactam, and a homopolymer of vinyl caprolactam, and (b) an alcohol containing three to five carbon atoms and one hydroxy group.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: July 25, 2000
    Assignee: ISP Investments Inc.
    Inventors: Jeffrey M. Cohen, William D. Young
  • Water soluble dye complexing polymers
    Patent number: 6093776
    Abstract: This invention relates to dye complexing polymers, and, more particularly, to water soluble poly(vinylpyridine betaines) containing a quaternary nitrogen and a carboxylate salt. The-polymers herein have effective dye transfer inhibitor (DTI) properties for use, for example, laundry detergent and fabric softener compositions.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: July 25, 2000
    Assignee: ISP Investments Inc.
    Inventors: Jenn S. Shih, Bala Srinivas, John C. Hornby
  • Self-sealing shingle adhesive load relief
    Patent number: 6083592
    Abstract: This invention relates to a self-sealing roofing member which is a shingle or siding carrying adhesive in a horizontal area extending from the leading side edge to the rear side edge of one surface of the member, the opposite surface of said member having a complementary convex channel extending from the leading side edge to the rear side edge corresponding to the adhesive area; said channel being in contact with an adhesive release material in the area corresponding to the adhesive.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: July 4, 2000
    Assignee: Building Materials Corporation of America
    Inventor: Adem Chich
  • Hip and ridge roofing shingle
    Patent number: 6070384
    Abstract: This invention relates to a non-perforated, essentially orthogonal hip and ridge shingle having stepped side portions which shingle is foldable along its longitudinal axis over the ridge of a pitched roof and is additionally foldable upon itself on a plane perpendicular to its longitudinal axis.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: June 6, 2000
    Assignee: Building Materials Corporation of America
    Inventor: Adem Chich
  • Curable, unsaturated polyester compositions
    Patent number: 6063864
    Abstract: A curable, unsaturated polyester composition comprising, by weight, an unsaturated polyester and 1-60% styrene and 1-50% vinylether monomers.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: May 16, 2000
    Assignee: ISP Investments Inc.
    Inventors: Arvind M. Mathur, James A. Dougherty
  • Laminated roofing and siding shingle
    Patent number: 6058670
    Abstract: The present invention relates to a laminated roofing and siding shingle unit including (a) a rectangular shingle sheet having an undivided headlap portion and a lower butt portion divided into tabs of a given color which are uniformly spaced from each other, each tab having two opposing bottom corners defining the bottom boundary of the butt portion and (b) an elongated undivided top strip of the same or a contrasting hue or color having indentations at its bottom edge conforming in outline to the corners of the tabs, said strip affixed over the shingle sheet at the upper tab boundaries where the tabs depend from the headlap and positioned in an offset manner so that each indentation corresponding to a corner of a tab is centered above the tab immediately below.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: May 9, 2000
    Assignee: Building Materials Corporation of America
    Inventors: Frederick W. Sieling, Alfredo A. Bondoc, William R. Carroll
  • Controlled-release, drug-delivery composition
    Patent number: 6048522
    Abstract: A controlled-release, drug-delivery, emulsion composition for topical application comprising (a) the reaction product of the non-aqueous, heterogeneous polymerization of a reaction mixture of about 5-70%, preferably 10-30%, by weight, of a vinyl monomer in an oil as solvent, and a free radical initiator, optionally in the presence of a crosslinking agent and/or a surfactant, wherein the oil solvent is present in an amount sufficient to keep the resultant polymer in a stirrable state throughout the polymerization, (b) water, (c) a surfactant and (d) a pharmaceutical medicament.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: April 11, 2000
    Assignee: ISP Investments Inc.
    Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih, Anil Menon, Nadhamuni G. Nerella
  • Water-based microemulsion of a pyrethroid
    Patent number: 6045816
    Abstract: A clear, one-phase, efficacious aqueous microemulsion of an agriculturally active pyrethroid insecticide for delivery at a high loading of active is provided herein which is free of nonylphenol ethoxylate.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: April 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo Jon, Robert M. Ianniello, Donald Prettypaul
  • Dentifrice composition including a solvent-free, high molecular weight uncrosslinked terpolymer of maleic anhydride, C.sub.1 -C.sub.4 alkyl ether and isobutylene
    Patent number: 6046291
    Abstract: This invention relates to a dentifrice composition including a solvent-free, high molecular weight (>1,500,000) uncrosslinked terpolymer of maleic anhydride, a C.sub.1 -C.sub.4 alkyl vinyl ether and isobutylene.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: April 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: Huixiang Zhang, Krystyna Plochocka, William E. Prosise
  • Trilaminate roofing shingle
    Patent number: 6038827
    Abstract: A trilaminated roofing shingle comprising:(a) an anterior layer consisting essentially of a rectangular, granular surfaced shingle sheet having an undivided headlap portion and a butt portion comprising a plurality of tabs of an average given breadth separated by spaces approximately 0.50 to 1.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: March 21, 2000
    Assignee: Building Materials Corporation of America
    Inventor: Frederick W. Sieling
  • Emulsion concentrates of fungicides, and aqueous use formulations thereof for wood preservation
    Patent number: 6033681
    Abstract: What is described herein are matrices, emulsion concentrates and aqueous use formulations of fungicides, effective for wood preservation applications, having increased penetration and rainfastness properties.
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: March 7, 2000
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo Jon, Donald Prettypaul
  • Water-free concentrate of amitraz insecticide and clear pour-on formulations thereof
    Patent number: 6024972
    Abstract: A water-free concentrate comprising, by weight,(a) 3-20% of amitraz insecticide, optionally with other agriculturally active chemicals, for example, a pyrethroid;(b) 30-80% of a nonionic surfactant having an HLB <7, and(c) 5-30% of a C.sub.1 -C.sub.8 alkyl pyrrolidone solvent.Clear, pour-on formulations of about 5-60% by weight of the concentrate and 40-95% of an oil are described.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: February 15, 2000
    Assignee: ISP Investments Inc.
    Inventors: Kolazi S. Narayanan, Domingo Jon, Donald Prettypaul
  • Derivatized polymers of .alpha.-olefin-maleic anhydride alkyl half-ester or full acid
    Patent number: 6025501
    Abstract: What is described herein are derivatized polymers of .alpha.-olefin-maleic anhydride alkyl half-ester or full acid, preferably the isobutylene compound, optionally with repeat units of maleamic acid and/or its corresponding maleimide therein. These polymers are useful as fixatives in personal care products, such as hair spray compositions, particularly as one-phase, low VOC formulations in pump and aerosol systems, and in anhydrous, alcoholic, aqueous-alcoholic and in high hydrocarbon tolerant solvent formulations. In use, these hair spray compositions dry down to form clear, continuous and defectless films.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: February 15, 2000
    Assignee: ISP Investments Inc.
    Inventors: Herbert W. Ulmer, Timothy Gillece, John A. Katirgis, Linda C. Foltis, April Blaine
  • Tile roof vent
    Patent number: 6015343
    Abstract: Tile roof vent for covering the opening of the ridge of an undulating tile roof. The vent includes two panels spaced from each other, each of which has a hard plastic sheet with a lower portion and an upper portion. To the underside of the lower portions are affixed an air-permeable mat and optionally a layer of foam rubber which conform to the undulating configuration of the tile roof. The lower portions of the hard plastic sheets are reinforced by stiffeners integral with the hard plastic sheet and also contain vent holes for exhausting air from the attic space.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: January 18, 2000
    Assignee: Building Materials Corporation of America
    Inventors: Richard Castillo, Ravinder Nair, Krishna Srinivasan, Edward C. Villela
  • Crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP)
    Patent number: 6011160
    Abstract: What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: January 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: Edward G. Malawer, Victor Kabanov, Kolazi S. Narayanan, Michael A. Tallon, Susan Y. Tseng, Philip F. Wolf
  • Release coating compositions comprising an acrylate-functional silicone resin and a vinylether
    Patent number: 6011079
    Abstract: A radiation curable release coating composition comprising, by weight,(a) 10-90% of an acrylate-functional silicone resin,(b) 10-90% of a vinylether monomer as reactive diluent therein, and(c) a photoinitiator.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: January 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: James A. Dougherty, John Mc Kittrick
  • Process for producing a suspension of a vinylpyridine polymer in high polymer purity
    Patent number: 6011096
    Abstract: This invention relates to an improved free radical polymerization process for directly producing stable vinylpyridine polymer particles in an aqueous suspension and in a high state of polymer purity by effecting the polymerization in the presence of a water soluble suspension agent selected from the group of polyvinyl lactam, a hydroxy-containing polymer, a polyvinyl alcohol and a mixture thereof.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: January 4, 2000
    Assignee: ISP Investments Inc.
    Inventors: Jenn S. Shih, Eduardo T. Yap, John C. Hornby, Bala Srinivas
  • Piperidine antioxidants and compositions therewith for preventing the fading of artificial hair dye
    Patent number: 6008359
    Abstract: Piperidine antioxidants and compositions therewith for preventing the fading of artificial hair dye are described herein.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: December 28, 1999
    Assignee: ISP Investments Inc.
    Inventors: Janusz Jachowicz, Bruce C. Locke, Ratan K. Chaudhuri
  • Soffit vent
    Patent number: 5996289
    Abstract: Soffit ventilation system in a building having a horizontal soffit with a plurality of vents and a strip of mat of randomly oriented synthetic fibers covering the attic-facing side of the soffit. An alternative embodiment has a panel of air-impermeable material having upper and lower sections. The strip of mat of randomly oriented synthetic fibers is sandwiched between the lower section and the vertical side of the walls allowing the passage of air into the attic through an opening between the lower section and the upper section of the air-impermeable panel.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: December 7, 1999
    Assignee: Building Materials Corporation of America
    Inventor: George G. Allaster
  • Front of a roof shingle
    Patent number: D426002
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: May 30, 2000
    Assignee: Building Materials Corporation of America
    Inventors: Alfredo A. Bondoc, William R. Carroll