Patents by Inventor Terry A. Heath
Terry A. Heath 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: 7867603Abstract: The invention relates to a toner receiver member comprising a base, at least one tie layer adjacent to said base, and at least one toner receiver layer adjacent said at least one tie layer on the side opposite to the base, wherein said at least one toner receiver layer comprises a layer of branched polyester or a mixture of styrene acrylate copolymer with an ethylene methacrylate copolymer or with a low density polyethylene.Type: GrantFiled: November 30, 2004Date of Patent: January 11, 2011Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Terry A. Heath, Charles L. Bauer, Michael R. Brickey, Jeffrey R. Gillmor, Teh-Ming Kung
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Patent number: 7838106Abstract: The present invention relates to an image receiver element comprising a single low density layer, wherein the single low density layer comprises non-crosslinked aliphatic polyester containing non-interconnected void space, and wherein the single low density layer does not absorb more than 3 weight % moisture at 80% RH and 21.3° C. as compared to the weight % moisture of said single low density layer at 20% RH and 21.3° C. The invention relates to a method of forming such an image receiver element, a printing system comprising an imaging material and the image receiver element, and a method of printing comprising obtaining an imaging material comprising a colorant layer; obtaining the image receiver element; superposing the colorant layer with the receiver element; and transferring colorant from the imaging material to the image receiver element.Type: GrantFiled: December 19, 2007Date of Patent: November 23, 2010Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Somsack Chang, Richard D. Bomba, Terry A. Heath
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Patent number: 7678445Abstract: The invention relates to a receiver sheet for electrophotography comprising a base material having thereon at least one toner receiver layer comprising a mixture of polyolefin and at least one member selected from the group consisting of polyolefin copolymers, amide containing polymers, and ester containing polymers, wherein a measured Tg of said at least one receiver layer is less than 5° C.Type: GrantFiled: May 14, 2007Date of Patent: March 16, 2010Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Terry A. Heath, Michael R. Brickey, Mridula Nair
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Patent number: 7632562Abstract: The invention relates to a printing media comprising a first side comprising a first exposed layer comprising a mixture of polyolefin and at least one member selected from the group consisting of polyolefin copolymers, amide containing polymers, and ester containing polymers, wherein a measured Tg of said exposed layer comprises a Tg of less than 5° C. and a second side comprising an a second exposed layer having an advancing contact angle with water of less than 90°.Type: GrantFiled: August 4, 2005Date of Patent: December 15, 2009Assignee: Eastman Kodak CompanyInventors: Mridula Nair, Narasimharao Dontula, Michael R. Brickey, Terry A. Heath, Joseph W. Hoff, Tamara K. Jones, Daniel M. Leusch, Joseph S. Sedita, Cumar Sreekumar, Dinesh Tyagi
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Patent number: 7585557Abstract: The invention relates to a base comprising a closed cell foam core sheet having a closed cell foam layer with a density gradient between the center of the core and the surfaces of the core. The invention also relates to a method of making such a base by adding a first concentration of a first blowing agent to a first polymer to form a first mixture, adding a second concentration of a second blowing agent to a second polymer to form a second mixture, and extruding the mixtures to form the closed cell foam core sheet. The invention also relates to a method of making such a closed cell foam core sheet base comprising the steps of adding a blowing agent to a polymer to form a mixture, melting the mixture, extruding the mixture from a die, and rapidly quenching the mixture against a high heat transfer surface.Type: GrantFiled: February 17, 2004Date of Patent: September 8, 2009Assignee: Eastman Kodak CompanyInventors: Peter T. Aylward, Narasimharao Dontula, Terry A. Heath, Richard D. Bomba, John E. Benson
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Publication number: 20090162580Abstract: The present invention relates to an image receiver element comprising a single low density layer, wherein the single low density layer comprises non-crosslinked aliphatic polyester containing non-interconnected void space, and wherein the single low density layer does not absorb more than 3 weight % moisture at 80% RH and 21.3° C. as compared to the weight % moisture of said single low density layer at 20% RH and 21.3° C. The invention relates to a method of forming such an image receiver element, a printing system comprising an imaging material and the image receiver element, and a method of printing comprising obtaining an imaging material comprising a colorant layer; obtaining the image receiver element; superposing the colorant layer with the receiver element; and transferring colorant from the imaging material to the image receiver element.Type: ApplicationFiled: December 19, 2007Publication date: June 25, 2009Inventors: Narasimharao Dontula, Somsack Chang, Richard D. Bomba, Terry A. Heath
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Patent number: 7521173Abstract: The present invention relates to an extruded imaging element comprising an extruded support bearing an extruded image receiving layer and an extruded antistatic tie layer between the extruded support and the extruded image receiving layer, wherein the extruded tie layer absorbs less than 3 weight % of moisture at 80% RH and 70 F (22.78° C.) comprises 5-30% polyether-containing antistatic material in a matrix polymer, and a method for making the same.Type: GrantFiled: March 8, 2007Date of Patent: April 21, 2009Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Terry A. Heath, Somsack Chang
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Patent number: 7449287Abstract: The present invention relates to a support and an imaging element utilizing the support, wherein the support comprises at least one nacreous resin layer, wherein the uppermost layer comprises nacreous pigment in a polyolefin matrix polymer, and wherein the FLOP value of the imaging element, and, hence, the support, is greater than 25. Also included is a method of making the nacreous support.Type: GrantFiled: January 30, 2008Date of Patent: November 11, 2008Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Terry A. Heath, Peter G. Evans
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Publication number: 20080220353Abstract: The present invention relates to an extruded imaging element comprising an extruded support bearing an extruded image receiving layer and an extruded antistatic tie layer between the extruded support and the extruded image receiving layer, wherein the extruded tie layer absorbs less than 3 weight % of moisture at 80% RH and 70 F (22.78° C.) comprises 5-30% polyether-containing antistatic material in a matrix polymer, and a method for making the same.Type: ApplicationFiled: March 8, 2007Publication date: September 11, 2008Inventors: Narasimharao Dontula, Terry A. Heath, Somsack Chang
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Patent number: 7264867Abstract: The invention relates to a receiver sheet for electrophotography comprising a base material having thereon at least one toner receiver layer comprising a mixture of polyolefin and at least one member selected from the group consisting of polyolefin copolymers, amide containing polymers, and ester containing polymers, wherein a measured Tg of said at least one receiver layer comprises a Tg of less than 5° C.Type: GrantFiled: November 30, 2004Date of Patent: September 4, 2007Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Terry A. Heath, Michael R. Brickey, Mridula Nair
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Patent number: 7033723Abstract: The present invention relates to an imaging element comprising an imaging layer and a support, wherein the support comprises a core layer having a surface roughness of at least 1.4 microns and a pit camouflaging flange layer between the support and the imaging layer. The present invention also relates to a method of forming an imaging support comprising extruding a polymer layer onto a core layer of surface roughness of at least 1.4 microns, and passing the extruded polymer layer on the core layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface and a method of forming an imaging support comprising extruding a polymer layer, passing the extruded polymer layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface, and laminating the polymer layer onto a core layer with a surface roughness of at least 1.4 microns.Type: GrantFiled: February 27, 2004Date of Patent: April 25, 2006Assignee: Eastman Kodak CompanyInventors: Peter T. Aylward, Narasimharao Dontula, Sandra J. Dagan, Thaddeus S. Gula, Terry A. Heath
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Publication number: 20040151889Abstract: A method of forming a sheet comprising extruding a polymer material comprising an incompatible material and a foaming agent, cooling the extruded material, stretching said extruded material in at least one direction.Type: ApplicationFiled: August 29, 2003Publication date: August 5, 2004Inventors: Suresh Sunderrajan, Narasimharao Dontula, Thaddeus S. Gula, William A. Mruk, Sandra J. Dagan, Peter T. Aylward, Richard D. Bomba, Terry A. Heath, Edward A. Colombo
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Publication number: 20030203184Abstract: A method of forming a sheet comprising extruding a polymer material comprising an incompatible material and a foaming agent, cooling the extruded material, stretching said extruded material in at least one direction.Type: ApplicationFiled: April 24, 2002Publication date: October 30, 2003Inventors: Suresh Sunderrajan, Narasimharao Dontula, Thaddeus S. Gula, William A. Mruk, Sandra J. Dagan, Peter T. Aylward, Richard D. Bomba, Terry A. Heath, Edward A. Colombo
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Patent number: 6468708Abstract: A self-contained photohardenable imaging assembly comprising in order: a first transparent support; an imaging layer comprising a developer material and a plurality of photohardenable microcapsules encapsulating a color precursor, and a second support, wherein at least one support comprises a barrier layer that exhibits a low water vapor transmission rate. The imaging assembly has been found to provide better image quality and more consistence sensitometric response to pressure development.Type: GrantFiled: April 20, 2000Date of Patent: October 22, 2002Assignee: Eastman Kodak CompanyInventors: Yongcai Wang, Charles C. Anderson, Terry A. Heath, Kristine B. Lawrence, Fugui He
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Patent number: 6447976Abstract: The invention relates to an imaging member comprising an imaging layer and a base wherein said base comprises a closed cell foam core sheet and adhered thereto an upper and lower flange sheet, and wherein said imaging member has a stiffness of between 50 and 250 millinewtons and at least one layer of said base comprises whitening agent and said element has L* of greater than 90.4.Type: GrantFiled: November 28, 2000Date of Patent: September 10, 2002Assignee: Eastman Kodak CompanyInventors: Narasimharao Dontula, Suresh Sunderrajan, Thaddeus S. Gula, William A. Mruk, Terry A. Heath
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Patent number: 6396066Abstract: A radiographic storage panel includes a storage phosphor layer disposed on a unique support that comprises two or more separate flexible substrates that are laminated or adhered together.Type: GrantFiled: September 21, 2000Date of Patent: May 28, 2002Assignee: Eastman Kodak CompanyInventors: Wen-Li A. Chen, Arthur P. Chipouras, Terry A. Heath, William A. Mruk, David J. Steklenski
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Patent number: 6365319Abstract: A self-contained photohardenable imaging assembly comprising in order: a first transparent support; an imaging layer comprising a developer material and a plurality of photohardenable microcapsules encapsulating a color precursor, and a second opaque support, wherein the opaque support comprises a barrier layer that exhibits a low water vapor transmission rate, which barrier layer comprises a metallic material. The imaging assembly has been found to provide better image quality and more consistence sensitometric response to pressure development.Type: GrantFiled: April 20, 2000Date of Patent: April 2, 2002Assignee: Eastman Kodak CompanyInventors: Terry A. Heath, Yongcai Wang, Charles C. Anderson
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Patent number: 6326120Abstract: A self-contained photohardenable imaging assembly comprising in order: a first transparent support; an imaging layer comprising a developer material and a plurality of photohardenable microcapsules encapsulating a color precursor, and a second support, wherein at least one support comprises a barrier layer that exhibits a low water vapor transmission rate. The imaging assembly has been found to provide better image quality and more consistence sensitometric response to pressure development.Type: GrantFiled: April 20, 2000Date of Patent: December 4, 2001Assignee: Eastman Kodak CompanyInventors: Yongcai Wang, Charles C. Anderson, Terry A. Heath, Kristine B. Lawrence