Patents by Inventor Douglas E. Garman
Douglas E. Garman 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: 8744334Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image, a development station for applying toner particles to said latent image which forms a developed toner image, and a transfer station for transferring said developed toner image from the primary imaging member to a receiver. A fuser assembly is included for fixing the developed toner image to the receiver, to form a fused toner image on the receiver. An endless transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing porous layer that would tribocharge positively upon contact with negatively charged toner particles, and a porous overcoat outermost layer that does not tribocharge positively upon contact with negatively charged toner particles.Type: GrantFiled: October 30, 2009Date of Patent: June 3, 2014Assignee: Eastman Kodak CompanyInventors: Wayne T. Ferrar, Donald S. Rimai, Edward T. Miskinis, Douglas E. Garman, Mark C. Zaretsky, Patrick M. Lambert
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Patent number: 8145116Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed toner image on the receiver. A fuser assembly is included for fixing the developed toner image, to form a fused toner image on the receiver. A transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing layer that includes transparent alumina inorganic particles of siloxane coated gamma-alumina, dispersed in an organic binder, and a fluorosurfactant.Type: GrantFiled: August 21, 2007Date of Patent: March 27, 2012Assignee: Eastman Kodak CompanyInventors: Wayne T. Ferrar, Francisco L. Ziegelmuller, Douglas E. Garman, Dennis R. Fronheiser, Edward T. Miskinis
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Patent number: 7973103Abstract: The present invention discloses a fuser roller composition that contains a fluorocopolymer, an aliphatic ketone organic solvent, metal oxide particles, and a benzyltriphenylphosphonium phenolate salt curing agent. To this composition is added a sufficient amount of 4,4?-(hexafluoroisopropylidene) diphenol to extend a time at which viscosity of the composition rises above a predetermined level.Type: GrantFiled: June 5, 2006Date of Patent: July 5, 2011Assignee: Eastman Kodak CompanyInventors: Xin Jin, Douglas E. Garman
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Publication number: 20110103860Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image, a development station for applying toner particles to said latent image which forms a developed toner image, and a transfer station for transferring said developed toner image from the primary imaging member to a receiver. A fuser assembly is included for fixing the developed toner image to the receiver, to form a fused toner image on the receiver. An endless transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing porous layer that would tribocharge positively upon contact with negatively charged toner particles, and a porous overcoat outermost layer that does not tribocharge positively upon contact with negatively charged toner particles.Type: ApplicationFiled: October 30, 2009Publication date: May 5, 2011Inventors: Wayne T. Ferrar, Donald S. Rimai, Edward T. Miskinis, Douglas E. Garman, Mark C. Zaretsky, Patrick M. Lambert
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Patent number: 7769338Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed toner image on the receiver. A fuser assembly is included for fixing the developed toner image, to form a fused toner image on the receiver. A transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing layer that includes transparent alumina inorganic particles of gamma-alumina, dispersed in an organic binder.Type: GrantFiled: November 8, 2006Date of Patent: August 3, 2010Assignee: Eastman Kodak CompanyInventors: Wayne T. Ferrar, Douglas E. Garman, Gary B. Bertram, Francisco L. Ziegelmuller, Patrick M. Lambert
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Publication number: 20090052964Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed toner image on the receiver. A fuser assembly is included for fixing the developed toner image, to form a fused toner image on the receiver. A transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing layer that includes transparent alumina inorganic particles of siloxane coated gamma-alumina, dispersed in an organic binder, and a fluorosurfactant.Type: ApplicationFiled: August 21, 2007Publication date: February 26, 2009Inventors: Wayne T. Ferrar, Francisco L. Ziegelmuller, Douglas E. Garman, Dennis R. Fronheiser, Edward T. Miskinis
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Publication number: 20080107463Abstract: The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed toner image on the receiver. A fuser assembly is included for fixing the developed toner image, to form a fused toner image on the receiver. A transport member is provided for transporting the receiver to or from the fuser assembly, the transport member having a substrate bearing an oil-absorbing layer that includes transparent alumina inorganic particles of gamma-alumina, dispersed in an organic binder.Type: ApplicationFiled: November 8, 2006Publication date: May 8, 2008Inventors: Wayne T. Ferrar, Douglas E. Garman, Gary B. Bertram, Francisco L. Ziegelmuller, Patrick M. Lambert
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Publication number: 20070282048Abstract: The present invention discloses a fuser roller composition that contains a fluorocopolymer, an aliphatic ketone organic solvent, metal oxide particles, and a benzyltriphenylphosphonium phenolate salt curing agent. To this composition is added a sufficient amount of 4,4?-(hexafluoroisopropylidene) diphenol to extend a time at which viscosity of the composition rises above a predetermined level.Type: ApplicationFiled: June 5, 2006Publication date: December 6, 2007Inventors: Xin Jin, Douglas E. Garman
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Patent number: 7252873Abstract: A method for forming a receiver transport member for an electrostatographic reproduction apparatus. The transport member transports receiver members with respect to a fuser assembly and is frictional coupled to a transfer member for driving the transfer member. The method for forming the transport member provides a substrate bearing a high friction layer that includes inorganic particles, with a compound of aluminum selected from the group consisting of aluminum hydroxide, alumina hydrate, aluminum oxide, pseudo-boehmite, boehmite alumina, aluminum salts, and mixtures thereof, dispersed in an organic binder so that the high friction layer is capable of preventing a loss of frictional coupling due to release oil applied to a receiver member bearing a fused toner image.Type: GrantFiled: January 26, 2005Date of Patent: August 7, 2007Assignee: Eastman Kodak CompanyInventors: Wayne T. Ferrar, Douglas E. Garman, Larry H. Judkins, Francisco L. Ziegelmuller, Donald S. Rimai
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Patent number: 7120380Abstract: An electrostatographic reproduction apparatus includes: a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to the latent image to form a developed toner image on the receiver, a fuser assembly for fixing the developed toner image to form a fused toner image on the receiver, and a transport member for transporting the receiver to or from the fuser assembly. The transport member includes a substrate and an oil-absorbing layer that contains inorganic particles dispersed in an organic binder and is capable of absorbing release oil applied to the receiver bearing the fused toner image.Type: GrantFiled: October 14, 2004Date of Patent: October 10, 2006Assignee: Eastman Kodak CompanyInventors: Wayne T. Ferrar, Jeffrey R. Murray, Larry H. Judkins, Cumar Sreekumar, David M. Rakov, Lixin Chu, Douglas E. Garman
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Publication number: 20040265487Abstract: A method for applying a seamless coating of a surface-modifying material to a product roller by transfer of the material to the product roller, from an application roller, to produce the seamless coating. Gravure rollers, slot dies, falling curtains or ribbons, jets and sprays may be used to deposit the material on the product roller. Dipping may also be used. Gravure rollers are preferred as the application roller. The coating is applied as a plurality of coatings, which are applied without drying the previous coating before application of a subsequent coating.Type: ApplicationFiled: June 27, 2003Publication date: December 30, 2004Inventors: Roger H. Calendine, Rick J. Kosakowski, Gordon W. Redshaw, Dennis R. Fronheiser, Douglas E. Garman