Patents by Inventor David Teegarden

David 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).

  • Publication number: 20070211130
    Abstract: 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: Application
    Filed: March 13, 2006
    Publication date: September 13, 2007
    Inventors: Allan Wexler, David Teegarden
  • Publication number: 20070148328
    Abstract: 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: Application
    Filed: December 23, 2005
    Publication date: June 28, 2007
    Inventors: Deepak Shukla, David Teegarden, Thomas Welter
  • Publication number: 20060293186
    Abstract: 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: Application
    Filed: June 23, 2005
    Publication date: December 28, 2006
    Inventors: Walter Isaac, Christine Landry-Coltrain, David Teegarden
  • Publication number: 20060135362
    Abstract: 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: Application
    Filed: December 20, 2004
    Publication date: June 22, 2006
    Inventors: Walter Isaac, Christine Landry-Coltrain, David Teegarden, Dennis Massa
  • Publication number: 20060135364
    Abstract: 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: Application
    Filed: December 20, 2004
    Publication date: June 22, 2006
    Inventors: Dennis Massa, Ramanuj Goswami, Walter Isaac, Christine Landry-Coltrain, David Teegarden
  • Publication number: 20060135363
    Abstract: 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: Application
    Filed: December 20, 2004
    Publication date: June 22, 2006
    Inventors: Christine Landry-Coltrain, Linda Franklin, Walter Isaac, Dennis Massa, David Teegarden
  • Publication number: 20050270458
    Abstract: 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: Application
    Filed: June 3, 2004
    Publication date: December 8, 2005
    Inventors: Tomohiro Ishikawa, James Elman, David Teegarden
  • Publication number: 20050158674
    Abstract: 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: Application
    Filed: January 21, 2004
    Publication date: July 21, 2005
    Inventors: Sidney Bertucci, David Teegarden, David Decker, Thomas Whitesides, Larry Edwards
  • Publication number: 20050112297
    Abstract: Disclosed optical compensator for a liquid crystal display and process 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: Application
    Filed: November 10, 2004
    Publication date: May 26, 2005
    Inventors: Deepak Shukla, James Elman, Ann Carroll-Lee, David Teegarden, Mridula Nair, Charles Bauer, Joseph Hoff, Jason Payne
  • Publication number: 20050107528
    Abstract: 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: Application
    Filed: November 14, 2003
    Publication date: May 19, 2005
    Inventors: Kevin Dockery, David Teegarden, Tiecheng Qiao, Brian Antalek, Susan Power
  • Publication number: 20050089676
    Abstract: 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: Application
    Filed: October 27, 2003
    Publication date: April 28, 2005
    Inventors: Tomohiro Ishikawa, James Elman, Dennis Massa, Erica Montbach, David Teegarden
  • Publication number: 20030108691
    Abstract: An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording element having a support having thereon an image-receiving layer of non-silicon-containing inorganic oxide particles, the particles having their surfaces treated with a silane coupling agent having a hydrophilic, organic moiety; C) loading the printer with an ink jet ink composition; and D) printing on the image-receiving layer using the ink jet ink composition in response to the digital data signals.
    Type: Application
    Filed: December 12, 2001
    Publication date: June 12, 2003
    Applicant: Eastman Kodak Company
    Inventors: David Teegarden, Sridhar Sadasivan