Patents by Inventor Hamid R. Mojazza

Hamid R. Mojazza 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: 6939477
    Abstract: The present invention provides new polymer induction bonding technology. Induction heating technologies are utilized to weld, forge, bond or set polymer materials. The invention provides controlled-temperature induction heating of polymeric materials by mixing ferromagnetic particles in the polymer to be heated. Temperature control is obtained by selecting ferromagnetic particles with a specific Curie temperature. The ferromagnetic particles will heat up in an induction field, through hysteresis losses, until they reach their Curie temperature. At that point, heat generation through hysteresis loss ceases. This invention is applicable to bonding thermoplastic materials, wherein only the area to be heated has ferromagnetic particles in it; bonding of thermoset composites, which have been processed with a layer of thermoplastic material on one side; curing of thermoset adhesives or composite resins; or consolidating thermoplastic composites.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: September 6, 2005
    Assignee: Ashland, Inc.
    Inventors: Philip Stark, Guy A. Rossi, Hamid R. Mojazza, Ross Haghighat, Peter Schuler
  • Patent number: 6852250
    Abstract: Disclosed are coatings, films, and articles of manufacture comprising or derived from compositions that are produced by a method for exchanging solvent in a mixture that includes water and an optionally substituted thiophene. Also disclosed are methods for making and using said coatings, films, and articles of manufacture, including electro-optical implementations.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: February 8, 2005
    Assignee: Elecon, Inc.
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Publication number: 20040258951
    Abstract: Disclosed are compositions formed by a method for exchanging the water in an optionally substituted polythiophene dispersion with a specific mixture of organic solvents. The resulting compositions exhibit improved electrical conductivity, optical transparency, environmental stability, excellent adhesion to a variety of substrates and processing characteristics. Also disclosed are methods for making and using such compositions.
    Type: Application
    Filed: December 22, 2003
    Publication date: December 23, 2004
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Publication number: 20040258952
    Abstract: Disclosed are compositions formed by a method for exchanging solvent in a mixture that includes water and an optionally substituted thiophene. Also disclosed are methods for making and using such compositions.
    Type: Application
    Filed: December 22, 2003
    Publication date: December 23, 2004
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Patent number: 6692662
    Abstract: Disclosed are compositions formed by a method for exchanging solvent in a mixture that includes water and an optionally substituted thiophene. Also disclosed are methods for making and using such compositions.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: February 17, 2004
    Assignee: Elecon, Inc.
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Publication number: 20030015691
    Abstract: Disclosed are compositions formed by a method for exchanging solvent in a mixture that includes water and an optionally substituted thiophene. Also disclosed are methods for making and using such compositions.
    Type: Application
    Filed: August 1, 2002
    Publication date: January 23, 2003
    Applicant: Elecon, Incorporated
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Publication number: 20030006401
    Abstract: Disclosed are compositions formed by a method for exchanging solvent in a mixture that includes water and an optionally substituted thiophene. Also disclosed are methods for making and using such compositions.
    Type: Application
    Filed: November 30, 2001
    Publication date: January 9, 2003
    Inventors: R. Ross Haghighat, Jae Ryu, Hamid R. Mojazza, Michael A. Vinciguerra, Peter Schuler
  • Publication number: 20020113066
    Abstract: The present invention provides new polymer induction bonding technology. Induction heating technologies are utilized to weld, forge, bond or set polymer materials. The invention provides controlled-temperature induction heating of polymeric materials by mixing ferromagnetic particles in the polymer to be heated. Temperature control is obtained by selecting ferromagnetic particles with a specific Curie temperature. The ferromagnetic particles will heat up in an induction field, through hysteresis losses, until they reach their Curie temperature. At that point, heat generation through hysteresis loss ceases. This invention is applicable to bonding thermoplastic materials, wherein only the area to be heated has ferromagnetic particles in it; bonding of thermoset composites, which have been processed with a layer of thermoplastic material on one side; curing of thermoset adhesives or composite resins; or consolidating thermoplastic composites.
    Type: Application
    Filed: May 1, 2001
    Publication date: August 22, 2002
    Inventors: Philip Stark, Guy A. Rossi, Hamid R. Mojazza, Ross Haghighat, Peter Schuler