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).
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Patent number: 9574084Abstract: 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: GrantFiled: November 19, 2012Date of Patent: February 21, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventor: Reid John Chesterfield
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Patent number: 9227205Abstract: A nozzle assembly with a nozzle body cooperating with a flexible portion, the nozzle assembly also contains a throttle plate, and this combination is used to mitigate pressure variations transmitted to the nozzle assembly. The combination results in a more uniform liquid deposition during continuous liquid printing.Type: GrantFiled: February 4, 2014Date of Patent: January 5, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: James Daniel Tremel, Nugent Truong, Matthew Stainer, Reid John Chesterfield
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Patent number: 9209397Abstract: A process for forming a layer of an electroactive material, including: 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 a range of ?25° C. to 80° C. and under an applied vacuum in a range of 10?6 Torr to 1,000 Torr for a period of 1-100 minutes.Type: GrantFiled: March 9, 2010Date of Patent: December 8, 2015Assignees: DUPONT DISPLAYS INC, EI DU PONT DE NEMOURS AND COMPANYInventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
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Patent number: 9209398Abstract: 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: GrantFiled: March 9, 2010Date of Patent: December 8, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANY DUPONT DISPLAYS INCInventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
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Patent number: 9159927Abstract: 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: GrantFiled: March 12, 2013Date of Patent: October 13, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: 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
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Patent number: 9149830Abstract: A liquid replenishment system includes a dispensing vessel for holding a supply of a liquid that has an outer can and corresponding lid conjoinable to the outer can in an air-tight manner. The dispensing vessel is improved by the provision of a separate self-supporting secondary inner container removably receivable within the outer can. The container is fabricated of a material that is non-reactive with a liquid composition containing an organic semiconductor material, such as a polytetrafluoroethylene material or stainless steel.Type: GrantFiled: May 6, 2014Date of Patent: October 6, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Reid John Chesterfield, Matthew Stainer, James Daniel Tremel, Nugent Truong
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Publication number: 20150217304Abstract: A nozzle assembly with a nozzle body cooperating with a flexible portion, the nozzle assembly also contains a throttle plate, and this combination is used to mitigate pressure variations transmitted to the nozzle assembly. The combination results in a more uniform liquid deposition during continuous liquid printing.Type: ApplicationFiled: February 4, 2014Publication date: August 6, 2015Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: JAMES DANIEL TREMEL, NUGENT TRUONG, MATTHEW STAINER, REID JOHN CHESTERFIELD
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Patent number: 8907353Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes the steps of 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; and 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: GrantFiled: July 18, 2013Date of Patent: December 9, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Reid John Chesterfield, Nugent Truong, Jeffrey A Merlo, Adam Fennimore, Jonathan M Ziebarth
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Patent number: 8889269Abstract: 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: GrantFiled: September 23, 2011Date of Patent: November 18, 2014Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Publication number: 20140326752Abstract: A dispensing vessel for holding a supply of a liquid includes an outer can and corresponding lid conjoinable to the outer can in an air-tight manner is improved by the provision of a separate self-supporting secondary inner container removably receivable within the outer can. The container is fabricated of a material that is non-reactive with a liquid composition containing an organic semiconductor material, such as a polytetrafluoroethylene material or stainless steel.Type: ApplicationFiled: May 6, 2014Publication date: November 6, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Reid John CHESTERFIELD, Matthew STAINER, James Daniel TREMEL, Nugent TRUONG
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Publication number: 20140326333Abstract: A liquid replenishment system includes a dispensing vessel for holding a supply of a liquid that has an outer can and corresponding lid conjoinable to the outer can in an air-tight manner. The dispensing vessel is improved by the provision of a separate self-supporting secondary inner container removably receivable within the outer can. The container is fabricated of a material that is non-reactive with a liquid composition containing an organic semiconductor material, such as a polytetrafluoroethylene material or stainless steel.Type: ApplicationFiled: May 6, 2014Publication date: November 6, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Reid John CHESTERFIELD, Matthew STAINER, James Daniel TREMEL, Nugent Truong
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Publication number: 20140264307Abstract: 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: ApplicationFiled: June 2, 2014Publication date: September 18, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: REID JOHN CHESTERFIELD, JUSTIN BUTLER, PAUL ANTHONY SANT
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Patent number: 8778785Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes the steps of 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; and 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: GrantFiled: May 15, 2009Date of Patent: July 15, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Reid John Chesterfield, Nugent Truong, Jeffrey A. Merlo, Adam Fennimore, Jonathan M. Ziebarth
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Patent number: 8778708Abstract: 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: GrantFiled: March 8, 2010Date of Patent: July 15, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Reid John Chesterfield, Justin Butler, Paul Anthony Sant
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Patent number: 8652655Abstract: 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.Type: GrantFiled: September 23, 2011Date of Patent: February 18, 2014Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8604247Abstract: 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: GrantFiled: May 26, 2011Date of Patent: December 10, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Vsevolod Rostovtsev, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
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Publication number: 20130299800Abstract: There is provided a process for forming a layer of electroactive material having a substantially flat profile. The process includes the steps of 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; and 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: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Inventors: Reid John Chesterfield, Nugent Truong, Jeffrey A. Merlo, Adam Fennimore, Jonathan M. Ziebarth
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Publication number: 20130256603Abstract: Compositions are provided for improved liquid deposition of electroactive material onto low surface energy layers. The liquid composition includes at least one organic electroactive material in a liquid medium. The liquid medium includes (a) at least 20% by volume, based on the total volume of the liquid medium, of a first solvent and (b) at least 1% by volume, based on the total volume of the liquid medium, of a liquid organic additive. The liquid medium pins on the underlying layer as determined by a dynamic receding contact angle test. The first solvent retracts on the underlying layer as determined by the dynamic receding contact angle test.Type: ApplicationFiled: December 20, 2011Publication date: October 3, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANY DUPONT DISPLAYS INCInventors: Reid John Chesterfield, Charles D. Lang, Henry J. Sarria, Hjalti Skulason
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Patent number: 8487055Abstract: 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: GrantFiled: December 5, 2011Date of Patent: July 16, 2013Assignee: E I du Pont de Nemours and CompanyInventors: 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
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Patent number: 8440383Abstract: 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: GrantFiled: January 26, 2011Date of Patent: May 14, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Richard Kevin Bailey, Graciela Beatriz Blanchet, Jonathan V. Caspar, John Catron, Jr., 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'Neil, Rinaldo Soria Schiffino, Nancy G. Tassi