Patents by Inventor Reid John Chesterfield

Reid John Chesterfield 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: 8377622
    Abstract: The invention is related to thermal imageable dielectric layers and thermal transfer donors and receivers comprising dielectric layers. The thermal transfer donors are useful in making electronic devices by thermal transfer of dielectric layers having excellent resistivity, good transfer properties and good adhesion to a variety of receivers.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: February 19, 2013
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, Reid John Chesterfield, Feng Gao, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, William J. Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwen, Jeffrey Scott Meth, Geoffrey Nunes, Kenneth George Sharp
  • Patent number: 8372525
    Abstract: There is provided an active layer containing a dopant material and a host material, wherein the host material has an HPLC purity of at least 99.9% and an impurity absorbance no greater than 0.01. There is also provided an electronic device containing the active layer.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: February 12, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Daniel David Lecloux, Reid John Chesterfield, Jeffrey A. Merlo, Eric Maurice Smith, Nora Sabina Radu
  • Patent number: 8343381
    Abstract: There is provided a hole transport composition having (i) a first hole transport polymer having crosslinkable groups, and (ii) a second hole transport polymer having substantially no crosslinkable groups. There is also provided a crosslinked hole transport layer and an electronic device containing the crosslinked hole transport layer.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: January 1, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventor: Reid John Chesterfield
  • Patent number: 8308886
    Abstract: The invention discloses processes for thermal transfer patterning of a nanoparticle layer and a corresponding proximate portion of a carrier layer, and optionally additional transfer layers, together onto a thermal imaging receiver. The invention is useful for dry fabrication of electronic devices. Additional embodiments of the invention include multilayer thermal imaging donors comprising in layered sequence: a base film, a carrier layer and a nanoparticle layer. The carrier layer can be a dielectric or conducting layer. When the carrier layer is a dielectric layer, the base film includes a light attenuating agent in the form of a dye or pigment.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: November 13, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Gerald Donald Andrews, Marc B Goldfinger, Mark Andrew Harmer, Gary Delmar Jaycox, Lynda Kaye Johnson, Irina Malajovich, William J Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwen, Jeffrey Scott Meth, Richard Kevin Bailey, Geoffrey Nunes, Rinaldo Soria Schiffino, Paul J Shannon, Kenneth George Sharp, Karyn B Visscher, Graciela Beatriz Blanchet, John W Catron, Jr., Reid John Chesterfield, Thomas C Felder, Feng Gao, Howard David Glicksman
  • Publication number: 20120251802
    Abstract: The invention is related to thermal imageable dielectric layers and thermal transfer donors and receivers comprising dielectric layers. The thermal transfer donors are useful in making electronic devices by thermal transfer of dielectric layers having excellent resistivity, good transfer properties and good adhesion to a variety of receivers.
    Type: Application
    Filed: September 22, 2011
    Publication date: October 4, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Gerald Donald Andrews, Richard Kevin Bailey, Graciela Beatriz Blanchet, Reid John Chesterfield, Feng Gao, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, William J. Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwen, Jeffrey Scott Meth, Geoffrey Nunes, Kenneth George Sharp
  • Publication number: 20120235562
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: June 1, 2012
    Publication date: September 20, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Patent number: 8242223
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: August 14, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Nora Sabina Radu, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • Patent number: 8158831
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: April 17, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Vsevolod Rostovtsev, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20120077955
    Abstract: There is provided a polymer made from a monomer having Formula I: where: R and Y are independently selected from the group consisting of H, D, alkyl, fluoroalkyl, aryl, fluoroaryl, alkoxy, aryloxy, NR?2, R?, R? is a crosslinkable group; R? is independently selected from the group consisting of H, alkyl, fluoroalkyl, aryl, fluoroaryl, and R?; X is a leaving group; Z is C, Si, or N; Q is (ZR?n)b; a is an integer from 0 to 5; b is an integer from 0 to 20; c is an integer from 0 to 4; q is an integer from 0 to 7; and n is an integer from 1 to 2.
    Type: Application
    Filed: December 5, 2011
    Publication date: March 29, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: NORA SABINA RADU, Gene M. Rossi, Eric Maurice Smith, Yulong Shen, Weiying Gao, Reid John Chesterfield, Jeffrey A. Merlo, Daniel David Lecloux, Frederick P. Gentry
  • Publication number: 20120065432
    Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 15, 2012
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: GARY A. JOHANSSON, Eric Maurice Smith, Reid John Chesterfield, Michael Henry Howard, JR., Kyung-Ho Park, Nora Sabina Radu, Gene M. Rossi, Frederick P. Gentry, Troy C. Gehret, Daniel David Lecloux, Adam Fennimore
  • Publication number: 20120049177
    Abstract: There is provided an organic electronic device. The device has an anode, a photoactive layer, and a cathode, and further, between the anode and the photoactive layer are positioned: a buffer layer; a first hole transport layer; and a second hole transport layer.
    Type: Application
    Filed: November 9, 2011
    Publication date: March 1, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: REID JOHN CHESTERFIELD
  • Publication number: 20120013245
    Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: GARY A. JOHANSSON, Eric Maurice Smith, Reid John Chesterfield, Michael Henry Howard, JR., Kyung-Ho Park, Nora Sabina Radu, Gene M. Rossi, Frederick P. Gentry, Troy C. Gehret, Daniel David Lecloux, Adam Fennimore
  • Publication number: 20110309360
    Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes: providing a workpiece having at least one active area; depositing a liquid composition including the electroactive material onto the workpiece in the active area, to form a wet layer; treating the wet layer on the workpiece at a controlled temperature in the range of ?25 to 80° C. and under a vacuum in the range of 10?6 to 1,000 Torr, for a first period of 1-100 minutes, to form a partially dried layer; heating the partially dried layer to a temperature above 100° C. for a second period of 1-50 minutes to form a dried layer.
    Type: Application
    Filed: March 8, 2010
    Publication date: December 22, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
  • Publication number: 20110305824
    Abstract: There is provided a process for vacuum drying. The process includes the steps of: depositing a liquid composition containing a film-forming material and at least one solvent onto a workpiece to form a wet layer; placing the wet layer on the workpiece into a vacuum chamber including a condenser; and treating the wet layer at a controlled temperature in the range of ?25 to 80° C. and under an applied vacuum in the range of 10?6 to 1,000 Torr for a period of 1-100 minutes; wherein the condenser is maintained at a temperature at which the solvent will condense as a liquid at the applied vacuum.
    Type: Application
    Filed: March 9, 2010
    Publication date: December 15, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
  • Publication number: 20110300657
    Abstract: There is provided a process for forming a layer of electroactive material. The process includes: depositing a liquid composition containing an electroactive material and at least one solvent onto a workpiece to form a wet layer; placing the wet layer on the workpiece into a vacuum chamber containing solid absorptive material; and treating the wet layer at a controlled temperature in the range of ?25° C. to 80° C. and under an applied vacuum in the range of 10?6 Torr to 1,000 Torr for a period of 1-100 minutes.
    Type: Application
    Filed: March 9, 2010
    Publication date: December 8, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
  • Patent number: 8062824
    Abstract: The invention is related to thermal imageable dielectric layers and thermal transfer donors and receivers comprising dielectric layers. The thermal transfer donors are useful in making electronic devices by thermal transfer of dielectric layers having excellent resistivity, good transfer properties and good adhesion to a variety of receivers.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: November 22, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, John Catron, Reid John Chesterfield, Feng Gao, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, William J. Marshall, Elizabeth Forrester McCord, Charles Nehemiah McEwan, Jeffrey Scott Meth, Paul J. Shannon, Kenneth George Sharp
  • Patent number: 8063399
    Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: November 22, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gary A. Johansson, Eric Maurice Smith, Reid John Chesterfield, Michael Henry Howard, Jr., Kyung-Ho Park, Nora Sabina Radu, Gene M. Rossi, Frederick P. Gentry, Troy C. Gehret, Daniel David Lecloux, Adam Fennimore
  • Patent number: 8053840
    Abstract: The invention relates to thin film transistors comprising novel dielectric layers and novel electrodes comprising metal compositions that can be provided by a dry thermal transfer process.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 8, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, John W. Catron, Jr., Reid John Chesterfield, Marc B. Goldfinger, Gary Delmar Jaycox, Lynda Kaye Johnson, Irina Malajovich, Hong Meng, Jeffrey Scott Meth, Kenneth George Sharp, Rinaldo Soria Schiffino, Feng Gao, Gerald Donald Andrews
  • Publication number: 20110220885
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20110151214
    Abstract: Thermal imaging donors are useful for thermal transfer patterning of a metal layer and optionally, a corresponding proximate portion of an additional transfer layer onto a thermal imaging receiver. The compositions are useful for dry fabrication of electronic devices. Also provided are patterned multilayer compositions comprising one or more base film(s), and one or more patterned metal layers. These include electromagnetic interference shields and touchpad sensors.
    Type: Application
    Filed: January 26, 2011
    Publication date: June 23, 2011
    Applicant: E.I.DU PONT DE NEMOURS AND COMPANY
    Inventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Reid John Chesterfield, Thomas C. Felder, Feng Gao, Lynda Kaye Johnson, Roupen Leon Keusseyan, Dalen E. Keys, Irina Malajovich, Jeffrey Scott Meth, Geoffrey Nunes, Gerard O'Nell, Rinaldo S. Schiffino, Nancy G. Tassi