Patents by Inventor Niranjan Mohanlal Patel
Niranjan Mohanlal Patel 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).
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Patent number: 7585431Abstract: This invention is concerned with an electrically conductive polymer blend composition which is a liquid compatible blend, comprising a doped product formed form blending a first solution comprising a Lewis base electrically conductive polymer in undoped form in a first organic solvent with a second solution comprising a Lewis acid polymer dopant in a second organic solvent, wherein said Lewis acid polymer dopant dopes said Lewis base electrically conductive polymer in undoped form to obtain said electrically conductive polymer blend, the resulting doped conductive product being soluble in the combination of said first and said second organic solvents and mixable at the molecular level.Type: GrantFiled: September 7, 1993Date of Patent: September 8, 2009Assignee: International Business Machine CorporationInventors: Ali Afzali-Ardakani, Marie Angelopoulos, Vincent Albert Bourgault, Liam David Comerford, Michael Wayne Mirre, Steven Earle Molis, Ravi Saraf, Jane Margaret Shaw, Peter Joseph Spellane, Niranjan Mohanlal Patel
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Patent number: 7166241Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: GrantFiled: June 7, 1995Date of Patent: January 23, 2007Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Patent number: 6830708Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: GrantFiled: August 2, 2001Date of Patent: December 14, 2004Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Publication number: 20020014617Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: ApplicationFiled: August 2, 2001Publication date: February 7, 2002Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Patent number: 6225373Abstract: A composition comprising a thermoset resin which may or may not contain fluorine, bromine or both and containing at least one bromine-containing homo- or multicomponent thermoplastic polymer modifier optionally containing a different halogen which is soluble in the thermoset. Said thermoplastic polymer undergoes an in-situ phase separation process during cure to form a microphase-separated multiphase thermoset material.Type: GrantFiled: June 24, 1996Date of Patent: May 1, 2001Assignee: International Business Machines CorporationInventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
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Patent number: 6168732Abstract: The present invention relates to electrically conductive polymer blend compositions comprising a non-conducting polymeric component and an electrically conducting polymeric component and specific applications to which the blend compositions can be put.Type: GrantFiled: July 17, 1998Date of Patent: January 2, 2001Assignee: International Business Machines CorporationInventors: Ali Afzali Ardakani, Marie Angelopoulos, Vincent Albert Bourgault, Liam David Comerford, Michael Wayne Mirre, Steven Earle Molis, Ravi Saraf, Jane Margaret Shaw, Peter Joseph Spellane, Niranjan Mohanlal Patel
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Patent number: 6149840Abstract: A polymer blend composition, capable of being made electrically conductive by application of heat having an electrically conductive upon doping polymer in undoped form; the undoped polymer is selected from the group consisting of substituted and unsubstituted polyparaphenylenevinylenes, polyanilines, polyazines, polythiophenes, poly-p-phenylene sulfides, polyfuranes, polyselenophenes, polyacetylenes filtered from soluble precursors and combinations and blends thereof, compounded and blended at a molecular scale with a dielectric polymer; wherein the dielectric polymer is selected from the group consisting of interpolymers of acrylonitrile-butadiene-styrene, acetal acrylic liquid crystal polymers, polybutylene terephthalate, polycarbonate, polyester, polyetherimide, polyethersulfone, polyethylene, polyethylene terephthalate, polyphenylene oxide, polyphenylene sulfide, polypropylene, polystyrene, polyurethane, polyvinychloride, styrene-acrylonitrile copolymer, fluoropolymers, nylon polyesters, and thermoplasticType: GrantFiled: September 29, 1997Date of Patent: November 21, 2000Assignee: International Business Machines CorporationInventors: Ali Afzali Ardakani, Marie Angelopoulos, Vincent Albert Bourgault, Liam David Comerford, Michael Wayne Mirre, Steven Earle Molis, Ravi Saraf, Jane Margaret Shaw, Peter Joseph Spellane, Niranjan Mohanlal Patel
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Patent number: 6103145Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: GrantFiled: June 7, 1995Date of Patent: August 15, 2000Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Patent number: 6010645Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: GrantFiled: September 15, 1994Date of Patent: January 4, 2000Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Patent number: 5955222Abstract: A method of making a rim-type phase shift mask comprising the steps of: providing a substrate having opposing first and second surfaces, the first surface being at least partially covered with a first layer of material that substantially blocks the transmission therethrough of electromagnetic radiation of the predetermined range of wavelengths; forming a plurality of openings extending through the first layer so as to expose underlying portions of the first surface of the substrate; depositing a layer of hybrid photoresist on the first layer; exposing the second surface of the substrate to electromagnetic radiation to activate the desired portions of the hybrid photoresist; developing the photoresist, thereby exposing portions underlying the resist; and etching the exposed portions of the substrate is disclosed.Type: GrantFiled: December 3, 1996Date of Patent: September 21, 1999Assignee: International Business Machines CorporationInventors: Michael Straight Hibbs, Steven John Holmes, Ahmad D. Katnani, Wayne Martin Moreau, Niranjan Mohanlal Patel
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Patent number: 5834537Abstract: The present invention relates to a curable thermosetting resin composition having enhanced fracture toughness as a results of the incorporation of reactive thermoplastic oligomers therein. More specifically, the present invention relates to a composition comprising a thermoset resin which contains fluorine and containing at least one fluorine containing thermoplastic homopolymer component which is soluble in the thermoset. Said thermoplastic polymer undergoes an in-situ phase separation process during cure to form a microphase separated multiphase thermoset material.Type: GrantFiled: June 24, 1996Date of Patent: November 10, 1998Assignee: IBM CorporationInventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
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Patent number: 5827907Abstract: A composition having enhanced fracture resistance comprising a heat curable reaction product of a fluorine-containing thermoset material and a fluorine-containing homopolymer, wherein the cured reaction product comprises the thermoset material having a plurality of discrete phases of said fluorine-containing homopolymer dispersed therein, the homopolymer phases being in the range of micron to submicron size.Type: GrantFiled: August 30, 1993Date of Patent: October 27, 1998Assignee: IBM CorporationInventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
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Patent number: 5763093Abstract: Disclosed is an aluminum nitride body having graded metallurgy and a method for making such a body. The aluminum nitride body has at least one via and includes a first layer in direct contact with the aluminum nitride body and a second layer in direct contact with, and that completely encapsulates, the first layer. The first layer includes 30 to 60 volume percent aluminum nitride and 40 to 70 volume percent tungsten and/or molybdenum while the second layer includes 90 to 100 volume percent of tungsten and/or molybdenum and 0 to 10 volume percent of aluminum nitride.Type: GrantFiled: June 3, 1996Date of Patent: June 9, 1998Assignees: International Business Machines Corporation, The Carborundum CompanyInventors: Jon Alfred Casey, Carla Natalia Cordero, Benjamin Vito Fasano, David Brian Goland, Robert Hannon, Jonathan H. Harris, Lester Wynn Herron, Gregory Marvin Johnson, Niranjan Mohanlal Patel, Andrew Michael Reitter, Subhash Laxman Shinde, Rao Venkateswara Vallabhaneni, Robert A. Youngman
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Patent number: 5759637Abstract: Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.Type: GrantFiled: June 7, 1995Date of Patent: June 2, 1998Assignee: International Business Machines CorporationInventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
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Patent number: 5682589Abstract: Disclosed is an aluminum nitride body having graded metallurgy and a method for making such a body. The aluminum nitride body has at least one via and includes a first layer in direct contact with the aluminum nitride body and a second layer in direct contact with, and that completely encapsulates, the first layer. The first layer includes 30 to 60 volume percent aluminum nitride and 40 to 70 volume percent tungsten and/or molybdenum while the second layer includes 90 to 100 volume percent of tungsten and/or molybdenum and 0 to 10 volume percent of aluminum nitride.Type: GrantFiled: June 3, 1996Date of Patent: October 28, 1997Assignee: International Business Machines CorporationInventors: Jon Alfred Casey, Carla Natalia Cordero, Benjamin Vito Fasano, David Brian Goland, Robert Hannon, Jonathan H. Harris, Lester Wynn Herron, Gregory Marvin Johnson, Niranjan Mohanlal Patel, Andrew Michael Reitter, Subhash Laxman Shinde, Rao Venkateswara Vallabhaneni, Robert A. Youngman