Patents by Inventor Ross Sprout
Ross Sprout 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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Publication number: 20060273713Abstract: In accordance with one embodiment, the present invention is directed towards a process for forming an organic electroluminescent device comprising depositing on a substrate at least first and second electrode layers and an organic EL element comprising one or more organic material layers between the first and second electrode layers, wherein at least one organic material layer of the EL element is deposited by providing a continuous stream of amorphous solid particles of organic material suspended in at least one carrier gas, the solid particles having a volume-weighted mean particle diameter of less than 500 nm, and depositing particles of the organic material to form a thin uniform layer of the organic material on the substrate surface.Type: ApplicationFiled: June 2, 2005Publication date: December 7, 2006Inventors: Rajesh Mehta, Ramesh Jagannathan, Bradley Houghtaling, Robert Link, Kelly Robinson, Ross Sprout
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Publication number: 20060275542Abstract: A process for the deposition of a thin film of a desired material on a surface comprising: (i) providing a continuous stream of amorphous solid particles of desired material suspended in at least one carrier gas, the solid particles having a volume-weighted mean particle diameter of less than 500 nm, at an average stream temperature below the glass transition temperature of the solid particles of desired material, (ii) passing the stream provided in (i) into a heating zone, and heating the stream in the heating zone to elevate the average stream temperature to above the glass transition temperature of the solid particles of desired material, wherein no substantial chemical transformation of the desired material occurs due to heating of the desired material, (iii) exhausting the heated stream from the heating zone through at least one distributing passage, at a rate substantially equal to its rate of addition to the heating zone in step (ii), wherein the carrier gas does not undergo a thermodynamic phase changType: ApplicationFiled: June 2, 2005Publication date: December 7, 2006Inventors: Rajesh Mehta, Ramesh Jagannathan, Bradley Houghtaling, Robert Link, Kelly Robinson, Ross Sprout, Kenneth Reed, Alok Verma, Scott Mahon, Robledo Gutierrez, Thomas Blanton, Jill Fornalik
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Publication number: 20050218076Abstract: A process for the formation of particulate material of a desired substance including: (i) charging a particle formation vessel with a supercritical fluid; (ii) agitating the contents of the particle formation vessel with a rotary agitator, creating a relatively highly agitated zone and a bulk mixing zone; (iii) introducing into the agitated particle formation vessel at least a first feed stream comprising at least a solvent and the desired substance dissolved therein and a second feed stream comprising the supercritical fluid through a second feed stream introduction port, wherein the desired substance is less soluble in the supercritical fluid relative to its solubility in the solvent, and wherein the first and second feed streams are introduced into the highly agitated zone of the particle formation vessel and the first feed stream is dispersed in the supercritical fluid by action of the rotary agitator, allowing extraction of the solvent into the supercritical fluid, and (iv) precipitating particles of theType: ApplicationFiled: March 31, 2004Publication date: October 6, 2005Inventors: Rajesh Mehta, Ramesh Jagannathan, Seshadri Jagannathan, Robert Zabelny, Ross Sprout, Carl Burns
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Patent number: 6927415Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a electron transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.Type: GrantFiled: December 6, 2002Date of Patent: August 9, 2005Assignee: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Rajesh V. Mehta, Sridhar Sadasivan, Ross A. Sprout, Tin T. Vo
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Patent number: 6896723Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.Type: GrantFiled: December 6, 2002Date of Patent: May 24, 2005Assignee: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Rajesh V. Mehta, Sridhar Sadasivan, Ross A. Sprout, Tin T. Vo
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Publication number: 20040110028Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole injecting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.Type: ApplicationFiled: December 6, 2002Publication date: June 10, 2004Applicant: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Rajesh V. Mehta, Sridhar Sadasivan, Ross A. Sprout, Tin T. Vo
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Publication number: 20040110866Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.Type: ApplicationFiled: December 6, 2002Publication date: June 10, 2004Applicant: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Rajesh V. Mehta, Sridhar Sadasivan, Ross A. Sprout, Tin T. Vo
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Publication number: 20040108510Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a electron transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.Type: ApplicationFiled: December 6, 2002Publication date: June 10, 2004Applicant: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Rajesh V. Mehta, Sridhar Sadasivan, Ross A. Sprout, Tin T. Vo
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Publication number: 20040007154Abstract: An imaging composition comprising a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is dispersed and/or solubilized in the compressed fluid; and wherein the mixture is thermodynamically stable or thermodynamically metastable or both.Type: ApplicationFiled: June 23, 2003Publication date: January 15, 2004Applicant: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Sridhar Sadasivan, Suresh Sunderrajan, Rajesh V. Mehta, Ross A. Sprout
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Publication number: 20030121447Abstract: An imaging composition comprising a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is dispersed and/or solubilized in the compressed fluid; and wherein the mixture is thermodynamically stable or thermodynamically metastable or both.Type: ApplicationFiled: December 27, 2001Publication date: July 3, 2003Applicant: Eastman Kodak CompanyInventors: Glen C. Irvin, Ramesh Jagannathan, Seshadri Jagannathan, Sridhar Sadasivan, Suresh Sunderrajan, Rajesh V. Mehta, Ross A. Sprout