Patents by Inventor Stanley Lehmann

Stanley Lehmann 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).

  • Curable compositions
    Publication number: 20070129509
    Abstract: The present invention relates to curable compositions of benzoxazines, a combination of adducts one of which is prepared from hydroxy-containing compounds, isocyanate-containing compounds and phenolic compounds and the second of which is prepared from the first adduct and epoxy-containing compounds and phenolic compounds, epoxy resins and optionally tougheners.
    Type: Application
    Filed: December 2, 2005
    Publication date: June 7, 2007
    Inventors: Wei Li, Stanley Lehmann, Raymond Wong
  • Curable compositions for advanced processes, and products made therefrom
    Publication number: 20070007692
    Abstract: Curable compositions, such as benzoxazine-based ones, are useful in applications within the aerospace industry, such as for example as a heat curable composition for use as a matrix resin in advanced processes, such as resin transfer molding, vacuum assisted transfer molding and resin film infusion, and their use in such advanced processes form the basis of the present invention.
    Type: Application
    Filed: August 5, 2004
    Publication date: January 11, 2007
    Inventors: Stanley Lehmann, Wei Li, Raymond Wong
  • Nanoparticle silica filled benzoxazine compositions
    Publication number: 20060240261
    Abstract: Curable compositions, such as benzoxazine-based ones, are useful in applications within the aerospace industry, such as for example as a heat curable composition for use as a matrix resin or an adhesive, and form the basis of the present invention.
    Type: Application
    Filed: December 3, 2004
    Publication date: October 26, 2006
    Inventors: Wei Helen Li, Stanley Lehmann, Raymond Wong
  • Curable compositions for advanced processes, and products made therefrom
    Publication number: 20050042961
    Abstract: Curable compositions, such as benzoxazine-based ones, are useful in applications within the aerospace industry, such as for example as a heat curable composition for use as a matrix resin in advanced processes, such as resin transfer molding, vacuum assisted transfer molding and resin film infusion, and their use in such advanced processes form the basis of the present invention.
    Type: Application
    Filed: August 18, 2003
    Publication date: February 24, 2005
    Inventors: Stanley Lehmann, Wei Li, Raymond Wong