Patents by Inventor Yi-Jun Miao

Yi-Jun Miao 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).

  • Publication number: 20110175035
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or ?-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Application
    Filed: April 1, 2011
    Publication date: July 21, 2011
    Applicant: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus G. Lugmair, Igor A. Levitsky, Jinsang Kim, Robert Deans
  • Publication number: 20100213451
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or ?-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Application
    Filed: January 26, 2010
    Publication date: August 26, 2010
    Applicant: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus G. Lugmair, Igor A. Levitsky, Jinsang Kim, Robert Deans
  • Patent number: 7208122
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or ?-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: April 24, 2007
    Assignee: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus G. Lugmair, Igor A. Levitsky, Jinsang Kim, Robert Deans
  • Publication number: 20060120917
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or ?-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Application
    Filed: October 17, 2005
    Publication date: June 8, 2006
    Inventors: Timothy Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus Lugmair, Igor Levitsky, Jinsang Kim, Robert Deans
  • Publication number: 20060120923
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or ?-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Application
    Filed: October 17, 2005
    Publication date: June 8, 2006
    Inventors: Timothy Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus Lugmair, Igor Levitsky, Jinsang Kim, Robert Deans
  • Publication number: 20030178607
    Abstract: The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable properties can be provided through polymers having rigid groups designed to prevent polymer reorganization, aggregation or &pgr;-stacking upon solidification. These polymers can also display an unusually high stability with respect to solvent and heat exposures. The invention also relates to a sensor and a method for sensing an analyte through the luminescent and conductive properties of these polymers. Analytes can be sensed by activation of a chromophore at a polymer surface. Analytes include aromatics, phosphate ester groups and in particular explosives and chemical warfare agents in a gaseous state.
    Type: Application
    Filed: December 18, 2002
    Publication date: September 25, 2003
    Applicant: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Jye-Shane Yang, Vance Williams, Yi-Jun Miao, Claus G. Lugmair, Igor A. Levitsky, Jinsang Kim, Robert Deans