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).

  • Patent number: 7585431
    Abstract: 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: Grant
    Filed: September 7, 1993
    Date of Patent: September 8, 2009
    Assignee: International Business Machine Corporation
    Inventors: 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
  • Patent number: 7166241
    Abstract: 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: Grant
    Filed: June 7, 1995
    Date of Patent: January 23, 2007
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Patent number: 6830708
    Abstract: 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: Grant
    Filed: August 2, 2001
    Date of Patent: December 14, 2004
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Publication number: 20020014617
    Abstract: 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: Application
    Filed: August 2, 2001
    Publication date: February 7, 2002
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Patent number: 6225373
    Abstract: 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: Grant
    Filed: June 24, 1996
    Date of Patent: May 1, 2001
    Assignee: International Business Machines Corporation
    Inventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
  • Patent number: 6168732
    Abstract: 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: Grant
    Filed: July 17, 1998
    Date of Patent: January 2, 2001
    Assignee: International Business Machines Corporation
    Inventors: 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
  • Patent number: 6149840
    Abstract: 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 thermoplastic
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 21, 2000
    Assignee: International Business Machines Corporation
    Inventors: 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
  • Patent number: 6103145
    Abstract: 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: Grant
    Filed: June 7, 1995
    Date of Patent: August 15, 2000
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Patent number: 6010645
    Abstract: 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: Grant
    Filed: September 15, 1994
    Date of Patent: January 4, 2000
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Patent number: 5955222
    Abstract: 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: Grant
    Filed: December 3, 1996
    Date of Patent: September 21, 1999
    Assignee: International Business Machines Corporation
    Inventors: Michael Straight Hibbs, Steven John Holmes, Ahmad D. Katnani, Wayne Martin Moreau, Niranjan Mohanlal Patel
  • Patent number: 5834537
    Abstract: 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: Grant
    Filed: June 24, 1996
    Date of Patent: November 10, 1998
    Assignee: IBM Corporation
    Inventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
  • Patent number: 5827907
    Abstract: 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: Grant
    Filed: August 30, 1993
    Date of Patent: October 27, 1998
    Assignee: IBM Corporation
    Inventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
  • Patent number: 5763093
    Abstract: 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: Grant
    Filed: June 3, 1996
    Date of Patent: June 9, 1998
    Assignees: International Business Machines Corporation, The Carborundum Company
    Inventors: 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
  • Patent number: 5759637
    Abstract: 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: Grant
    Filed: June 7, 1995
    Date of Patent: June 2, 1998
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey Donald Gelorme, Thomas Harold Newman, Niranjan Mohanlal Patel, David Earle Seeger
  • Patent number: 5682589
    Abstract: 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: Grant
    Filed: June 3, 1996
    Date of Patent: October 28, 1997
    Assignee: International Business Machines Corporation
    Inventors: 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