Patents by Inventor Simona Percec

Simona Percec 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).

  • Amorphous polymers with pendant chromogenic groups
    Patent number: 8287767
    Abstract: Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: October 16, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • PROCESS FOR MAKING FUNCTIONALIZED POLYMERS
    Publication number: 20120149847
    Abstract: Disclosed herein is a process for making functionalized polymers comprising ethylene and substituted ethylene segments. The process comprises combining a starting copolymer as a solid with at least one amine-containing compound. The functionalized polymers are useful as film forming resins in cathodic electrocoating compositions.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Steve Gregory COATS, Simona Percec, Susan H. Tilford
  • CATHODIC ELECTROCOATING COMPOSITIONS
    Publication number: 20120145545
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephen Neal BAIR, Simona Percec, Susan H. Tilford
  • AROMATIC AND AROMATIC/HETEROAROMATIC MOLECULAR STRUCTURES WITH CONTROLLABLE ELECTRON CONDUCTING PROPERTIES
    Publication number: 20120135249
    Abstract: Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions.
    Type: Application
    Filed: February 8, 2012
    Publication date: May 31, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: ROGER HARQUAIL FRENCH, ROSS GETTY, SIMONA PERCEC
  • Electrochromic electrolyte blends
    Patent number: 7988885
    Abstract: The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: August 2, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • THERMOPLASTIC ELECTROCHROMIC MATERIALS
    Publication number: 20110147680
    Abstract: Disclosed are electrochromic materials containing a film-forming polymer with a Tg less than 100° C.; a plasticizer; an electrochromophore; an electron mediator; and a salt. Also disclosed are electrochromic devices using such electrochromic materials that can provide light-filtering, color-modulation, or reflectance-modulation in variable transmittance windows, variable-reflectance mirrors and other dynamic glazing applications.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Simona Percec, Joel M. Pollino
  • ELECTROCHROMIC DEVICES
    Publication number: 20110149366
    Abstract: Disclosed are electrochromic devices incorporating electrochromic materials containing a film-forming polymer with a Tg less than 100° C.; a plasticizer; an electrochromophore; an electron mediator; and a salt. Such electrochromic devices can provide light-filtering, color-modulation, or reflectance-modulation in variable transmittance windows, variable-reflectance mirrors and other dynamic glazing applications.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Simona Percec, Joel M. Pollino
  • AROMATIC AND AROMATIC/HETEROAROMATIC MOLECULAR STRUCTURES WITH CONTROLLABLE ELECTRON CONDUCTING PROPERTIES
    Publication number: 20110024691
    Abstract: Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions.
    Type: Application
    Filed: November 10, 2009
    Publication date: February 3, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Roger Harquail French, Ross Getty, Simona Percec
  • Molecular structures with controllable electron conducting properties
    Patent number: 7667043
    Abstract: Aromatic and heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions. Such compounds can form self-assembled layers on metal or other substrates, and can be used in molecular scaled opto-electronic devices including field-effect transistors, light-emitting diodes and photovoltaic cells.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: February 23, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Ross Getty, Simona Percec
  • Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties
    Patent number: 7638632
    Abstract: Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: December 29, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Roger Harquail French, Ross Getty, Simona Percec
  • AMORPHOUS POLYMERS WITH PENDANT CHROMOGENIC GROUPS
    Publication number: 20090279160
    Abstract: Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.
    Type: Application
    Filed: June 23, 2006
    Publication date: November 12, 2009
    Applicant: E. I. Dupont De Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • AROMATIC AND AROMATIC/HETEROAROMATIC MOLECULAR STRUCTURES WITH CONTROLLABLE ELECTRON CONDUCTING PROPERTIES
    Publication number: 20090270627
    Abstract: Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions.
    Type: Application
    Filed: August 28, 2006
    Publication date: October 29, 2009
    Inventors: Roger Harquail French, Ross Getty, Simona Percec
  • ELECTROCHROMIC ELECTROLYTE BLENDS
    Publication number: 20090078917
    Abstract: The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.
    Type: Application
    Filed: June 23, 2006
    Publication date: March 26, 2009
    Inventors: Simona Percec, Susan H. Tilford
  • MULTILAYERED STRUCTURES
    Publication number: 20080268254
    Abstract: A novel multilayer structure in which one layer comprises a polymer comprising a solventless, waterless, melt-processable acrylonitrile olefinically unsaturated polymer and the other layer comprises an organic polymer. Either polymer can be employed as the inner layer or the outer lays component of the multilayer structure.
    Type: Application
    Filed: July 2, 2008
    Publication date: October 30, 2008
    Applicant: INSTITUTE OF TEXTILE TECHNOLOGY
    Inventors: ELENA SIMONA PERCEC, RICHARD J. JORKASKY, GEORGE S. LI
  • Novel molecular structures with controllable electron conducting properties
    Publication number: 20070215866
    Abstract: Aromatic and heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions. Such compounds can form self-assembled layers on metal or other substrates, and can be used in molecular scaled opto-electronic devices including field-effect transistors, light-emitting diodes and photovoltaic cells.
    Type: Application
    Filed: March 20, 2006
    Publication date: September 20, 2007
    Inventors: Ross Getty, Simona Percec
  • Screening for electrical conductivity of molecules by measuring surface potential
    Patent number: 7180308
    Abstract: Surface potentials of a number of patterned conducting and insulating self-assembled monolayers (SAMs) were measured by scanning surface potential microscopy (SSPM) as part of a study in molecular electronics. Differences in surface potential were measured for insulating and conducting molecule SAMs on gold. The SAMs were patterned by microcontact printing.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: February 20, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ross Getty, Simona Percec
  • Filled ultramicrocellular structures
    Publication number: 20060159907
    Abstract: This invention relates to ultramicrocellular structures that incorporate fillers such as functional fillers.
    Type: Application
    Filed: December 7, 2005
    Publication date: July 20, 2006
    Inventors: Simona Percec, Maria Spinu, Irene Plotzker
  • Filled ultramicrocellular structures
    Publication number: 20060157882
    Abstract: This invention relates to ultramicrocellular structures that incorporate fillers such as functional fillers.
    Type: Application
    Filed: December 7, 2005
    Publication date: July 20, 2006
    Inventors: Simona Percec, Maria Spinu
  • Multilayer structures
    Patent number: 7025918
    Abstract: A novel multilayer structure in which one layer comprises a polymer comprising a solventless, waterless, melt-processable acrylonitrile olefinically unsaturated polymer and the other layer comprises an organic polymer. Either polymer can be employed as the inner layer or the outer layer component of the multilayer structure.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: April 11, 2006
    Assignee: Institute of Textile Technology
    Inventors: Elena Simona Percec, Richard J. Jorkasky, George S. Li
  • Screening for electrical conductivity of molecules by measuring surface potential
    Publication number: 20040245980
    Abstract: Surface potentials of a number of patterned conducting and insulating self-assembled monolayers (SAMs) were measured by scanning surface potential microscopy (SSPM) as part of a study in molecular electronics. Differences in surface potential were measured for insulating and conducting molecule SAMs on gold. The SAMs were patterned by microcontact printing.
    Type: Application
    Filed: April 2, 2004
    Publication date: December 9, 2004
    Inventors: Ross Getty, Simona Percec