Patents by Inventor David M. Teegarden
David M. Teegarden 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: 7829161Abstract: An inkjet recording element comprises a support having thereon at least one ink-receiving layer, including a porous fusible layer comprising fusible polymeric particles and a thermoresponsive polymer that is capable of exhibiting a lower critical solution temperature below 20° C.Type: GrantFiled: March 13, 2006Date of Patent: November 9, 2010Assignee: Eastman Kodak CompanyInventors: Allan Wexler, David M. Teegarden
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Patent number: 7666815Abstract: A dye-donor element, a method of printing using the dye-donor element, and a print assembly including the dye-donor element are described, wherein the dye-donor layer of the dye-donor element includes ethyl cellulose as a binder. The dye-donor element is capable of printing a defect-free image on a receiver element at a line speed of 2.0 msec/line or less while maintaining a print density of at least 2.0.Type: GrantFiled: December 20, 2004Date of Patent: February 23, 2010Assignee: Eastman Kodak CompanyInventors: Christine J. Landry-Coltrain, Linda M. Franklin, Walter H. Isaac, Dennis J. Massa, David M. Teegarden
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Patent number: 7473448Abstract: The present invention relates to a photoalignable material comprising a photoactive stilbazolium-containing polymer of formula I: wherein, Ma, Mb, Mc are monomer units making up the polymer; x, y, z, are mole fractions of the monomer units Ma, Mb, Mc, wherein in each case 0<x?1; 0?y<1, 0?z<1; Sa and Sb are spacer units; Za is a stilbazolium unit which can undergo photochemical isomerization/dimerization reactions; Zb is a stilbazole unit, and n varies from 4 to 10,000. The present invention also relates to a display using a layer of the photoaligned material and methods for aligning the orientation layer as well as orienting a liquid crystal layer applied to the photoaligned orientation layer.Type: GrantFiled: December 23, 2005Date of Patent: January 6, 2009Assignee: Eastman Kodak CompanyInventors: Deepak Shukla, David M. Teegarden, Thomas R. Welter
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Patent number: 7273830Abstract: A dye-donor element, a method of printing using the dye-donor element, and a print assembly including the dye-donor element are described, wherein the dye-donor layer of the dye-donor element includes hydroxyalkyl cellulose as a binder. The dye-donor element is capable of printing a defect-free image on a receiver element at a line speed of 2.0 msec/line or less while maintaining a print density of at least 2.0.Type: GrantFiled: December 20, 2004Date of Patent: September 25, 2007Assignee: Eastman Kodak CompanyInventors: Walter H. Isaac, Christine J. Landry-Coltrain, David M. Teegarden, Dennis J. Massa
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Patent number: 7244691Abstract: A print assembly including a dye-donor element and a receiver element, wherein the print assembly has a donor having a dye-donor layer having a first glass transition temperature and at least one dye, and a receiver having a dye-receiving layer having a second glass transition temperature on a support, wherein the print assembly has a receiver/donor dye partition coefficient of at least 2.5 when the print assembly is heated above the higher of the first or second glass transition temperature for a time sufficient to achieve an equilibrium state of dye distribution between the dye-donor layer and dye-receiving layer. The print assembly can be used at fast print speeds of 2.0 msec/line or less.Type: GrantFiled: December 20, 2004Date of Patent: July 17, 2007Assignee: Eastman Kodak CompanyInventors: Dennis J. Massa, Ramanuj Goswami, Walter H. Isaac, Christine J. Landry-Coltrain, David M. Teegarden
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Patent number: 7241562Abstract: This invention relates to a color silver halide photographic element comprising gelatin, a support bearing at least one dye image forming unit selected from a dye image forming unit comprising at least one red sensitive silver halide emulsion layer having associated therewith a dye-forming coupler, a dye image forming unit comprising at least one green sensitive silver halide emulsion layer having associated therewith a dye-forming coupler, and a dye image forming unit comprising at least one blue sensitive silver halide emulsion layer having associated therewith a dye-forming coupler; and a polymer represented by Formula 1.Type: GrantFiled: January 21, 2004Date of Patent: July 10, 2007Assignee: Eastman Kodak CompanyInventors: Sidney J. Bertucci, David M. Teegarden, David E. Decker, Thomas H. Whitesides, Larry D. Edwards
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Patent number: 7235513Abstract: A dye-donor element, a method of printing using the dye-donor element, and a print assembly including the dye-donor element are described, wherein the dye-donor layer of the dye-donor element includes a binder including an hydroxyalkanoic acid polyester and one or more co-binder, wherein the co-binder is not polyester.Type: GrantFiled: June 23, 2005Date of Patent: June 26, 2007Assignee: Eastman Kodak CompanyInventors: Walter H. Isaac, Christine J. Landry-Coltrain, David M. Teegarden
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Patent number: 7236221Abstract: A multilayer optical compensation film includes at least one optically anisotropic first layer and at least one optically anisotropic second layer. The indices of refraction of the first layer satisfies the relation nx1?ny1?nz1. The second layer includes amorphous polymer with a glass transition temperature above 160° C., and the indices of refraction of the second layer satisfy the relations |nx2?ny2|<0.001 and nz2?(nx2+ny2)/2>0.005.Type: GrantFiled: June 3, 2004Date of Patent: June 26, 2007Assignee: Nitto Denko CorporationInventors: Tomohiro Ishikawa, James F. Elman, David M. Teegarden
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Patent number: 7211316Abstract: Disclosed is an optical multilayer comprising a polymeric substrate having a non-zero out-of plane birefringence and an amorphous polymeric overlayer that comprises an amorphous polymer having a Tg value above 160° C. and having the sign of its out-of-plane birefringence opposite to that of the polymeric substrate so as to provide a total out-of-plane phase retardation of said optical multilayer of between ?30 nm and 30 nm for wavelengths of light between 400 and 700 nm.Type: GrantFiled: October 27, 2003Date of Patent: May 1, 2007Assignee: Nitto Denko CorporationInventors: Tomohiro Ishikawa, James F. Elman, Dennis J. Massa, Erica N. Montbach, David M. Teegarden
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Patent number: 7153896Abstract: An element for the attachment of protein arrays, the element comprising a surface to which are attached a plurality of piperazine functional groups wherein the piperazine functional groups are represented by Formula I: where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, are hydrogen, alkyl, alkenyl, alkynyl, alkylhalo, cycloalkyl, cycloalkenyl, alkylthio, alkoxy, with the proviso that at least one of R1 to R10 be a non-labile chemical unit that attaches the piperazine functional group to the surface of the element.Type: GrantFiled: November 14, 2003Date of Patent: December 26, 2006Assignee: Eastman Kodak CompanyInventors: Kevin P. Dockery, David M. Teegarden, Tiecheng A. Qiao, Brian J. Antalek, Susan Power
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Patent number: 6972139Abstract: A dye-donor element, a method of printing using the dye-donor element, and a print assembly including the dye-donor element are described, wherein the dye-donor layer of the dye-donor element includes a polyvinylacetal copolymer as a binder.Type: GrantFiled: December 20, 2004Date of Patent: December 6, 2005Assignee: Eastman Kodak CompanyInventors: David M. Teegarden, Christine J. Landry-Coltrain, Walter H. Isaac, Dennis J. Massa
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Patent number: 6827992Abstract: The present invention comprises an ink recording element comprising at least one solvent absorbing layer comprising an amine inactivated absorbing gelatin. In a preferred embodiment, the element includes a hydrophilic overcoat layer comprising cellulose ether. The recording element may further comprise at least one hydrophilic inner layer comprising poly(vinyl alcohol) and located between the hydrophilic absorbing layer and the hydrophilic overcoat layer.Type: GrantFiled: February 6, 2002Date of Patent: December 7, 2004Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., David M. Teegarden
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Patent number: 6821586Abstract: An inkjet recording element comprising a support having thereon an image-receiving layer comprising non-silicon-containing inorganic oxide particles, the particles having their surfaces treated with a silane coupling agent having a hydrophilic, organic moiety.Type: GrantFiled: December 12, 2001Date of Patent: November 23, 2004Assignee: Eastman Kodak CompanyInventors: David M. Teegarden, Sridhar Sadasivan
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Patent number: 6811838Abstract: The present invention relates to an ink recording element comprising a hydrophilic absorbing layer and a hydrophilic overcoat polymer layer comprising cellulose ether and a vinyl latex polymer. An optional inner layer may be placed between the hydrophilic absorbing layer and the laminate adhesion promoting hydrophilic overcoat polymer. Another embodiment of the invention relates to an ink printing method comprising providing an ink recording element as described above, and applying liquid ink droplets thereon in an image-wise manner.Type: GrantFiled: February 6, 2002Date of Patent: November 2, 2004Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., David M. Teegarden
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Patent number: 6800342Abstract: The present invention comprises an ink recording element comprising a support having thereon a hydrophilic absorbing layer, a laminate adhesion promoting polymer inner layer, and a hydrophilic overcoat polymer layer and a method therefor.Type: GrantFiled: February 6, 2002Date of Patent: October 5, 2004Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., David M. Teegarden
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Patent number: 6713241Abstract: Aqueous-based thermally sensitive emulsions and imaging materials include a mixture of binders in at least one imaging layer. These binder mixtures include from 70 to about 99 weight % of hydrophilic binders such as gelatin and gelatin derivatives, and the remainder of the total binder weight is composed of one or more hydrophobic binders or water-dispersible polymer latexes. These binder mixtures are particularly useful in imaging layers of thermographic and photothermographic materials and provide long term keeping and reduced crystallization of fatty acids.Type: GrantFiled: August 9, 2002Date of Patent: March 30, 2004Assignee: Eastman Kodak CompanyInventors: Kathleen M. Vaeth, Charles L. Bauer, Jon A. Hammerschmidt, David M. Teegarden
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Publication number: 20040029054Abstract: Aqueous-based thermally sensitive emulsions and imaging materials include a mixture of binders in at least one imaging layer. These binder mixtures include from 70 to about 99 weight % of hydrophilic binders such as gelatin and gelatin derivatives, and the remainder of the total binder weight is composed of one or more hydrophobic binders or water-dispersible polymer latexes. These binder mixtures are particularly useful in imaging layers of thermographic and photothermographic materials and provide long term keeping and reduced crystallization of fatty acids.Type: ApplicationFiled: August 9, 2002Publication date: February 12, 2004Applicant: Eastman Kodak CompanyInventors: Kathleen M. Vaeth, Charles L. Bauer, Jon A. Hammerschmidt, David M. Teegarden
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Publication number: 20040008303Abstract: Disclosed is an optical compensator for a liquid crystal display comprising a transparent polymer support, a photo-alignment layer, an anisotropic layer comprising a nematic liquid crystal, and located between the support and the photo-alignment layer, an impermeable barrier layer. The invention also provides a process for making such compensators.Type: ApplicationFiled: July 12, 2002Publication date: January 15, 2004Applicant: Eastman Kodak CompanyInventors: Charles L. Bauer, Ann L. Carroll-Lee, Richard A. Castle, James F. Elman, Joseph W. Hoff, Bradley M. Houghtaling, Mridula Nair, Jason A. Payne, Deepak Shukla, David M. Teegarden, Jeffrey A. Trest
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Publication number: 20040009311Abstract: Disclosed optical compensator for a liquid crystal display comprising a transparent polymeric support, an orientation layer, and an optically anisotropic layer comprising a nematic liquid crystal, in order, wherein the anisotropic layer contains a colorless polymer having a weight average molecular weight that is greater that the entanglement molecular weight of the polymer. The uniformity and quality of this film is enhanced by the addition of a high molecular weight polymer.Type: ApplicationFiled: July 12, 2002Publication date: January 15, 2004Applicant: Eastman Kodak CompanyInventors: Deepak Shukla, James F. Elman, Ann L. Carroll-Lee, David M. Teegarden, Mridula Nair, Charles L. Bauer, Joseph W. Hoff, Jason A. Payne
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Publication number: 20030213394Abstract: The present invention relates to an ink recording element comprising a hydrophilic absorbing layer and a hydrophilic overcoat polymer layer comprising cellulose ether and a vinyl latex polymerType: ApplicationFiled: February 6, 2002Publication date: November 20, 2003Applicant: Eastman Kodak CompanyInventors: Charles E. Romano, David M. Teegarden