Patents by Inventor Kathryn Carr

Kathryn Carr 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).

  • Patent number: 7314511
    Abstract: A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: January 1, 2008
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: James Stanley Campbell, Kathryn Carr, Russell Jon Griffiths
  • Publication number: 20060000388
    Abstract: A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds.
    Type: Application
    Filed: July 30, 2003
    Publication date: January 5, 2006
    Inventors: James Campbell, Kathryn Carr
  • Patent number: 6569212
    Abstract: Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: and all IJP-effective forms of such compounds; and in which M represents a metal or H; Pc represents a phthalocyanine nucleus of Formula (2) x+y+z represents an average from 3 to 4; and z may be zero. A represents C1-4-alkylene; R1, R3 each independently represent H or C1-4-alkyl; R4 represents H; or C1-4-alkyl optionally substituted with hydroxy; R5 represents a carboxylic acid substituted aryl group; and R2 represents H, C1-4-alkyl or a group of formula BD where: B represents C1-4-alkylene; and D represents NR6R7;or SC1-4alkyleneSO3H; where: R6 represents H; or C1-4alkyl, optionally subsititued by hydroxy; R7 represents H; C1-4alkyl, optionally subsititued by hydroxy or morphlino; or R6 and R7 together with the N atom to which they are attached form a morpholino or piperazino ring.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: May 27, 2003
    Assignee: Avecia Limited
    Inventor: Kathryn Carr
  • Patent number: 6517620
    Abstract: A mono-azo compound of Formula (1) and salts thereof: wherein A, G, L1, L2, and R1, are defined in the specification, have especially good light fastness and other advantageous properties. These dyes may be used in inks, especially inks for ink jet printing inks and in ink jet printing processes to print substrates and to in ink jet printer cartridges.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: February 11, 2003
    Assignee: Avecia Limited
    Inventors: Kathryn Carr, Mark Kenworthy, Paul Wight
  • Patent number: 6514329
    Abstract: A mono-azo compound of Formula (1) or a salt thereof: wherein: A is N, C—Cl, C—CN or C—NO2; R1 is H or optionally substituted alkyl; G is H, sulpho, carboxy, optionally substituted alkyl, optionally substituted alkoxy, —CF3, halo or —PO3H2; L1 and L2 each independently is —SR2, —OR3 or —NR4R5; R2, R3, R4 and R5 each independently is H, optionally substituted alkyl or optionally substituted aryl; or R4 and R5 together with the nitrogen to which they are attached form an optionally substituted five or six membered ring; provided that L1 and L2 are free from carboxy, sulpho and —PO3H2 groups; and the use of a mono-azo compound of Formula (1) or a salt thereof in inks, an ink jet printing process using the inks, a substrate printed with the inks and an ink jet printer cartridge containing the inks.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: February 4, 2003
    Assignee: Avecia Limited
    Inventors: Kathryn Carr, Mark Kenworthy
  • Patent number: 6482255
    Abstract: Compounds of the Formula (1) and salts thereof: wherein B1, B2, Q, R1, R2, A, Z1 and Z2 are defined in the description. Also claimed are compositions containing two or more compounds of the Formula (1), inks containing the compounds and compositions, an ink jet printing process using the inks, a substrate printed with the inks, and an ink jet printer cartridge containing an ink containing a compound of the Formula (1).
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: November 19, 2002
    Assignee: Avecia Limited
    Inventors: Aidan Joseph Lavery, Colin Dick Robertson, Janette Watkinson, Kathryn Carr, Paul Wight
  • Patent number: 6331204
    Abstract: A process for preparing an optical filter comprising a colored cross-linked polymeric coating on a transparent substrate, which comprises applying to the substrate, by a printing process, a mixture comprising one or more polymer precursor(s), and one or more dye(s) having one or more heterocyclic NH group(s) or one or more substituent (s) capable of forming a covalent bond with the polymeric precursor, and thereafter using the mixture. The invention also provides formulations comprising one or more polymer precursors and dyes, optical filters, and a novel dye.
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: December 18, 2001
    Assignee: Avecia Limited
    Inventors: Kathryn Carr, Mark Holbrook, Ian Ferguson
  • Patent number: 6277185
    Abstract: Azo dyes of Formula (1) have utility as dyes for ink-jet printing where Formula (1) represents: which comprises any suitable form of the compound: such as salt; stereoisomer, zwitterion, polymorph, complex, isotopic form, combinations thereof in the same species and mixtures thereof; where: p represents from 1 to 7 inclusive; the napthyl moiety may be optionally substituted; R1 comprises at least one of the following substituents, optionally substituted: H, C1-4-alkyl, NHCOC1-4 alkyl, C1-4 alkoxy, NHCOaryl, NHSO2C1-4 alkyl, NHSO2aryl, NHCONR3R4 where R3 and R4 each independently comprises H, C1-4alkyl or aryl; R2 comprises H, C1-4 alkyl or C1-4 alkoxy; L1 and L2 each independently comprises at least one of the following substituents, optionally substituted: —NH2, —NHC1-4 alkyleneOH, —SC1-4alkylene —SO3H, —NHC1-4alkyleneN(C1-4alkyl)2, —N(C1-4alkyleneOH)2, —NHC1-4alkyleneSO3H, —NHC1-4alkylene(CO2H)n where n is 1, 2 or 3, —SC1-4alkyl
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: August 21, 2001
    Assignee: Zeneca Limited
    Inventors: Anthony Alanzo Watson, Kathryn Carr
  • Publication number: 20010011396
    Abstract: Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink jet printing, where Formula (1) represents: 1
    Type: Application
    Filed: February 27, 2001
    Publication date: August 9, 2001
    Applicant: Avecia Limited
    Inventor: Kathryn Carr
  • Patent number: 6190422
    Abstract: Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: which includes all IJP-effective forms of such compounds; and in which: M represents a metal or H; A represents C1 4alkylene; Pc represents a phthalocyanine nucleus of Formula (2): D represents NR4R5 or SC1-4alkyleneSO3H; R1, R2 and R3each independently represents H or C1-4-alkyl; R4 represents H,; or C1-4-alkyl optionally substituted by hydroxy; R5 represents C1-4alkyl optionally substituted by hydroxy and/or morpholino; or R4 and R5 together with the N atom to which they are attached form a morpholino ring; and x+y+z represents an average of from 3 to 4.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: February 20, 2001
    Assignee: Avecia Limited
    Inventor: Kathryn Carr
  • Patent number: 5972544
    Abstract: A process for preparing an optical filter comprising a colored cross-linked polymeric coating an a transparent substrate, which comprises applying to the substrate, by a printing process, a mixture comprising one or more polymer precursor(s), and one or more dye(s) having one or more heterocyclic NH group(s) or one or more substituent(s) capable of forming a covalent bond with the polymeric precursor, and thereafter using the mixture. The invention also provides formulations comprising one or more polymer precursors and dyes, optical filters, and a novel dye.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: October 26, 1999
    Assignee: Zeneca Limited
    Inventors: Kathryn Carr, Mark Holbrook, Ian Ferguson