Patents by Inventor Jay Robert Dorfman

Jay Robert Dorfman 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: 20130056537
    Abstract: This invention is directed to a polymer thick film barrier layer dielectric composition. Dielectrics made from the composition can be used in various electronic applications to protect electrical elements and particularly to insulate and protect both the conductive silver antenna above it and the polycarbonate substrate below it in RFID applications.
    Type: Application
    Filed: September 6, 2011
    Publication date: March 7, 2013
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Vince Arancio, Jay Robert Dorfman
  • Patent number: 8329772
    Abstract: This invention provides a screen printable dielectric composition comprising finely divided particles of talc dispersed in a curable liquid composition containing an acrylated urethane resin oligomer, an alkyl acrylate, and phosphoric acid.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: December 11, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventor: Jay Robert Dorfman
  • Publication number: 20120305065
    Abstract: The invention is directed to a polymer thick film conductive composition comprising (a) a conductive silver-coated copper powder; and (b) an organic medium comprising two different resins and organic solvent, wherein the ratio of the weight of the conductive silver-coated copper powder to the total weight of the two different resins is between 5:1 and 45:1. The invention is further directed to a method of electrode grid and/or bus bar formation on thin-film photovoltaic cells using the composition and to cells formed from the method and the composition.
    Type: Application
    Filed: June 1, 2011
    Publication date: December 6, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Jay Robert Dorfman
  • Publication number: 20120138871
    Abstract: The present invention uses a silver/silver chloride composition and ink jet technology in the art of digital printing, especially for use in blood glucose sensors.
    Type: Application
    Filed: June 11, 2010
    Publication date: June 7, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jay Robert Dorfman, Jonh D. Summers
  • Publication number: 20120119163
    Abstract: The invention is directed to a polymer thick film silver composition comprising (a) a conductive silver powder; and (b) an organic medium comprising three different resins and organic solvent, wherein the ratio of the weight of the conductive silver powder to the total weight of the three different resins is between 5:1 and 45:1. The composition may be processed at a time and energy sufficient to remove all solvent. The invention is further directed to a method of electrode grid and/or bus bar formation on thin-film photovoltaic cells using the composition and to cells formed from the method and the composition.
    Type: Application
    Filed: November 17, 2010
    Publication date: May 17, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: JAY ROBERT DORFMAN
  • Publication number: 20120067867
    Abstract: The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and , in particular, in PTC heater circuitry in mirror heater and seat heater applications.
    Type: Application
    Filed: December 1, 2011
    Publication date: March 22, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Vince Arancio, Jay Robert Dorfman
  • Patent number: 8093328
    Abstract: The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and, in particular, in PTC heater circuitry in mirror heater and seat heater applications.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: January 10, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Vince Arancio, Jay Robert Dorfman
  • Publication number: 20110288197
    Abstract: This invention provides a screen printable dielectric composition comprising finely divided particles of talc dispersed in a curable liquid composition containing an acrylated urethane resin oligomer, an alkyl acrylate, and phosphoric acid.
    Type: Application
    Filed: May 20, 2010
    Publication date: November 24, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Jay Robert Dorfman
  • Publication number: 20110263781
    Abstract: The invention is directed to a polymer thick film encapsulant composition comprising thermoplastic fluoropolymer resin and acrylic resin dissolved in organic solvents. The deposited encapsulant composition is processed at a time and energy sufficient to remove all solvent and form an encapsulant. The invention is further directed to using the encapsulant composition to form an encapsulant in PTC heater circuitry and, in particular, in PTC heater circuitry in mirror heater and seat heater applications.
    Type: Application
    Filed: April 21, 2010
    Publication date: October 27, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Vince Arancio, Jay Robert Dorfman
  • Publication number: 20110068011
    Abstract: The invention is directed to a polymer thick film silver composition comprising: (a) conductive silver flakes and (b) an organic medium comprising (1) acrylic organic polymeric binder; and (2) organic solvent. The composition may be processed at a time and energy sufficient to remove all solvent. The invention is further directed to novel method(s) of circuitry formation on printed wiring board constructions.
    Type: Application
    Filed: September 17, 2010
    Publication date: March 24, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: John C. Crumpton, Jay Robert Dorfman
  • Patent number: 7857998
    Abstract: Disclosed are thick film silver compositions comprised of silver flake and organic medium useful in radio frequency identification devices (RFID). The invention is further directed to method(s) of antenna formation using RFID circuits or other circuits using polymer thick film (PTF).
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: December 28, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Jay Robert Dorfman
  • Publication number: 20100127223
    Abstract: Disclosed are thick film silver compositions comprised of silver flake and organic medium useful in radio frequency identification devices (RFID). The invention is further directed to method(s) of antenna formation using RFID circuits or other circuits using polymer thick film (PTF).
    Type: Application
    Filed: November 24, 2008
    Publication date: May 27, 2010
    Inventor: JAY ROBERT DORFMAN
  • Publication number: 20100021625
    Abstract: The invention is directed to a polymer thick film silver composition comprising: (a) conductive silver flake (b) organic medium comprising (1) phenoxy organic polymeric binder and (2) organic solvent. The composition may be processed at a time and energy sufficient to remove all solvent. The invention is further directed to method(s) of grid formation on top of Thin-Film photovoltaic cells.
    Type: Application
    Filed: July 22, 2009
    Publication date: January 28, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Jay Robert Dorfman
  • Patent number: 7494604
    Abstract: The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: February 24, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Yong Cho, Jay Robert Dorfman
  • Publication number: 20080171801
    Abstract: The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator.
    Type: Application
    Filed: March 24, 2008
    Publication date: July 17, 2008
    Inventors: Yong Cho, Jay Robert Dorfman
  • Patent number: 7371335
    Abstract: The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: May 13, 2008
    Assignee: E.I. duPont de Nemours and Company
    Inventors: Yong Cho, Jay Robert Dorfman
  • Patent number: 7338622
    Abstract: The present invention relates to a thick film composition comprising: a) functional component; b) PVDF/HFP polymer resin, a copolymer of PVDF/HFP polymer resin, or mixtures thereof; dissolved in c) organic solvent, with the provisos that the PVDF/HFP resin has i) a melt viscosity of 0.2-0.7 kPoise and ii) a DSC melt temperature in the range of 85-98° C.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: March 4, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Jay Robert Dorfman
  • Patent number: 6939484
    Abstract: The present invention relates to a thick film conductor composition comprising: (a) electrically conductive silver powder; (b) PVDF/HFP polymer resin, copolymers of a PVDF/HFP polymer resin, and mixtures thereof; dissolved in (c) organic solvent, with the provisos that the PVDF/HFP resin has a melt viscosity of 0.2–0.7 kPoise and a DSC melt temperature in the range of 85–98° C.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: September 6, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Jay Robert Dorfman
  • Publication number: 20040009398
    Abstract: The invention is directed to a zinc composition comprising finely divided zinc particles dispersed in organic medium wherein the organic medium comprises a solvent and a polymer selected from polyhydroxy ether, polyurethane, co-polymer of acrylonitrile/vinylidene chloride and mixtures thereof. The invention is further directed to the use of the composition as an electrode such as the anode in a printed battery.
    Type: Application
    Filed: May 16, 2003
    Publication date: January 15, 2004
    Inventor: Jay Robert Dorfman
  • Patent number: 5855820
    Abstract: The present invention is a thick film water based conductive coating composition comprising, based on total composition: (a) 5-40% wt. first aqueous dispersion of polyhydroxyether polymer grafted with at least one acrylic or methacrylic monomer wherein the dispersion is 25-40% wt. grafted polymer solids; (b) 20-80% wt. finely divided metallic electrically conductive particles selected from the group consisting of silver, copper, nickel, silver coated copper, silver coated nickel, carbon, graphite and mixtures thereof; (c) 0-20% by wt. second aqueous dispersion of an acrylic or polyurethane polymer wherein the dispersion is 25-40% wt. polymer solids; (d) 0-5% wt. water soluble polymer; and wherein all of (a), (b), (c) and (d) are dispersed in water and about 1-8% wt. co-solvent.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: January 5, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Man-Sheung Chan, Jay Robert Dorfman