Patents by Inventor Steven P. Webb

Steven P. Webb has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6713579
    Abstract: A method of modifying the surface of a low surface energy polymer by contacting the surface with a composition comprising a) an organoborane/amine complex wherein the amine is selected from the group of amines having an amidine structural component; aliphatic heterocycles having at least one nitrogen in the heterocyclic ring; an alicyclic compound having bound to the ring a substituent having an amine moiety; amines which in addition to a primary amine have one or more hydrogen bond accepting groups of an ether, polyether, thioether or halogen wherein there is an alkylene chain of at least two carbon atoms between the primary amine and the hydrogen bond accepting group, and conjugated imines; b) one or more of monomers, oligomers or polymers having olefinic unsaturation; and optionally, c) an effective amount of a compound which causes the complex to disassociate.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 30, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Patent number: 6713578
    Abstract: A method of bonding two or more substrates together which comprises I. contacting the components of the composition comprising a) an organoborane/amine complex wherein the amine is selected from the group of amines having an amidine structural component; aliphatic heterocycles having at least one nitrogen in the heterocyclic ring; an alicyclic compound having bound to the ring a substituent having an amine moiety; primary amines which in addition to a primary amine have one or more hydrogen bond accepting groups of an ether, polyether, thioether or halogen wherein there is an alkylene chain of at least two carbon atoms between the primary amine and the hydrogen bond accepting group, and conjugated imines; b) one or more of monomers, oligomers or polymers having olefinic unsaturation; and, c) optionally an effective amount of a compound which causes the complex to disassociate or heating the composition to a temperature at which the complex dissassociates; II.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 30, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Patent number: 6710145
    Abstract: A method of coating a substrate which comprises coating a substrate with the composition comprising a) an organoborane/amine complex wherein the amine is selected from the group of amines having an amidine structural component; aliphatic heterocycles having at least one nitrogen in the heterocyclic ring; an alicyclic compound having bound to the ring a substituent having an amine moiety; primary amines which in addition to a primary amine have one or more hydrogen bond accepting groups of an ether, polyether, thioether or halogen wherein there is an alkylene chain of at least two carbon atoms between the primary amine and the hydrogen bond accepting group, and conjugated imines; b) one or more of monomers, oligomers or polymers having olefinic unsaturation, and c) an effective amount of a compound which causes the complex to disassociate; together under conditions such that polymerization is initiated.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 23, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Patent number: 6706831
    Abstract: The invention is a method of polymerization comprising contacting the components of the polymerizable composition of a) an organoborane/amine complex wherein the amine is selected from the group of amines having an amidine structural component; aliphatic heterocycles having at least one nitrogen in the heterocyclic ring; an alicyclic compound having bound to the ring a substituent having an amine moiety; primary amines which in addition to a primary amine have one or more hydrogen bond accepting groups of an ether, polyether, thioether or halogen wherein there is an alkylene chain of at least two carbon atoms between the primary amine and the hydrogen bond accepting group; and conjugated imines; b) one or more of monomers, oligomers or polymers having olefinic unsaturation; and c) in the presence of an effective amount of a compound which causes the complex to disassociate or at a temperature at which causes the complex to disassociate.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 16, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Publication number: 20030181611
    Abstract: The invention is a two part polymerizable composition comprising in one part an organoborane amine complex and one or more compounds containing ring opening heterocyclic moieties, and in a second part, compounds capable of being polymerized by free radical polymerization, a catalyst capable of polymerizing compounds containing ring opening heterocyclic moieties and optionally a component that will decomplex the organoborane amine complex. In one embodiment the invention is a two phase system comprising a first phase containing one or more polymers prepared from the compounds which polymerize by free radical polymerization and a second phase comprising polymerized or partially polymerized compounds derived from one or more compounds containing ring opening heterocyclic moieties.
    Type: Application
    Filed: March 5, 2002
    Publication date: September 25, 2003
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Benjamin L. Wendt, Daniel D. Harrington
  • Publication number: 20030120005
    Abstract: The invention is a two part composition useful for initiating cure of one or more polymerizable monomers which cure when exposed to free radicals comprising in one part an organoboraneamine complex and in a second part an isocyanate which is capable of decomplexing the organoborane complex wherein the ratio of amine nitrogen atoms to boron atoms is greater than 4.0:1.0.
    Type: Application
    Filed: October 30, 2001
    Publication date: June 26, 2003
    Inventors: Steven P. Webb, Mark F. Sonnenschein
  • Publication number: 20020058764
    Abstract: The invention is polymerizable composition comprising
    Type: Application
    Filed: June 15, 2001
    Publication date: May 16, 2002
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Publication number: 20020033227
    Abstract: A method of bonding two or more substrates together which comprises
    Type: Application
    Filed: June 15, 2001
    Publication date: March 21, 2002
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Publication number: 20020031607
    Abstract: A method of modifying the surface of a low surface energy polymer by contacting the surface with a composition comprising
    Type: Application
    Filed: June 15, 2001
    Publication date: March 14, 2002
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Publication number: 20020028894
    Abstract: The invention is a method of polymerization comprising contacting the components of the polymerizable composition of
    Type: Application
    Filed: June 15, 2001
    Publication date: March 7, 2002
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Publication number: 20020025381
    Abstract: A method of coating a substrate which comprises coating a substrate with the composition comprising
    Type: Application
    Filed: June 15, 2001
    Publication date: February 28, 2002
    Inventors: Mark F. Sonnenschein, Steven P. Webb, Nelson G. Rondan
  • Patent number: 5800796
    Abstract: This invention is a composite membrane for chemical synthesis, a chemical reactor into which the composite membrane might be incorporated, and a method of using the composite membrane. The composite membrane comprises a substrate, a first side, and a second side, wherein the substrate operatively connects the first side and second side, the first side comprises an oxidizing catalyst and the second side comprises a reducing catalyst. The reducing catalyst comprises, in elemental or combinative form, lanthanum, zinc, cerium, praeseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, bismuth, or indium. A chemical reactor utilizing this composite membrane can react hydrogen and oxygen to form hydrogen peroxide without direct mixture of the reactants.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: September 1, 1998
    Assignee: The Dow Chemical Company
    Inventors: Steven P. Webb, James A. McIntyre
  • Patent number: 5620807
    Abstract: An electrochemical fuel cell having a membrane electrode assembly and a layer of an electrically conductive porous material adjacent thereto which has at least two portions with different mean pore sizes, wherein a first portion of the layer adjacent to the membrane electrode assembly has a porosity no greater than a second portion of the layer adjacent to the opposite side of the layer; the second portion has a porosity of at least about 82 percent; and the second portion has an mean pore size which is at least about 10 microns and at least ten times greater than the mean pore size of the first portion.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: April 15, 1997
    Assignee: The Dow Chemical Company
    Inventors: Robert D. Mussell, Steven P. Webb, Carey L. Scortichini, Keith R. Plowman
  • Patent number: 5427892
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: June 27, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Patent number: 5426013
    Abstract: An optical memory storage medium based on a partially oxidized deposited layer of soft metal alloy is described. A method of preparing the medium by vacuum depositing the soft metal alloy layer in the presence of controlled amounts of gaseous oxidant to thereby form the layer in a uniform partially oxidized form.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: June 20, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb
  • Patent number: 5411838
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: May 2, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Patent number: 5328813
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: July 12, 1994
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Patent number: 5302493
    Abstract: An optical memory storage medium based on a partially oxidized deposited layer of soft metal alloy is described. A method of preparing the medium by vacuum depositing the soft metal alloy layer in the presence of controlled amounts of gaseous oxidant to thereby form the layer in a uniform partially oxidized form.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: April 12, 1994
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb
  • Patent number: 5173432
    Abstract: A sensor and a method for using the sensor to determine the concentration or partial pressure of oxygen in a fluid media is provided. The sensor includes a light modifying medium containing a luminescent dye which is accessible to oxygen. The luminescent dye contains a hexanuclear core of molybdenum, tungsten or mixtures thereof having 14 coordination sites, wherein each site is occupied by a ligand. The sensor also includes an apparatus capable of transmitting and collecting light to and from the light modifying medium.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: December 22, 1992
    Assignee: The Dow Chemical Company
    Inventors: Steven M. Lefkowitz, Steven P. Webb, Michael S. Paquette
  • Patent number: 4994396
    Abstract: A sensor and a method for determining the concentration or the partial pressure of oxygen comprising:(a) means for transmitting and collecting light to and from a light modifying medium; and(b) a light modifying medium containing a luminescent dye dispersed in or upon a matrix and the dye is accessible to oxygen, wherein said luminescent dye contains a hexanuclear core of molybdenum, tungsten or mixtures thereof having 14 coordination sites, wherein each coordination site is occupied by a ligand.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: February 19, 1991
    Assignee: The Dow Chemical Company
    Inventors: Steven M. Lefkowitz, Steven P. Webb, Michael S. Paquette