Patents by Inventor Mairi Elizabeth Raggatt

Mairi Elizabeth Raggatt 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).

  • Ink
    Patent number: 7270406
    Abstract: An ink including: (a) a metal chelate compound of Formula (1) or salt thereof, wherein M is nickel; and (b) a liquid medium. The inks are useful for ink jet printers.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: September 18, 2007
    Assignee: Fujifilm Imaging Colorants Limited
    Inventor: Mairi Elizabeth Raggatt
  • Magenta metal chelate dyes and their use in ink-jet printers
    Patent number: 7238227
    Abstract: A metal chelate compound of Formula: (1) or a salt thereof: [A—N?N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2a) (2b) wherein: X, Y and W are substituents other than H; M is a metal chelated to A—N?N—B; and n is 0 to 4.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: July 3, 2007
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: Clive Edwin Foster, Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
  • Metal chelate compounds and inks
    Patent number: 6979364
    Abstract: A metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; and M is a metal or boron; and n is 0 to 4; compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an ink jet printer cartridge containing the ink.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: December 27, 2005
    Assignee: Avecia Limited
    Inventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
  • Processes, compositions and compounds
    Patent number: 6969421
    Abstract: A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; each W independently is a carboxy or carbonamido group; each X independently is a substituent other than H, sulphonamido, carboxy, sulpho and carbonamido; J is a sulphonamido group; M is a metal or boron; a, p, q and n are each independently 0, 1, 2, 3 or 4; and (p+q+a+n) is 0, 1, 2, 3 or 4. Also claimed are compounds of Formula (1), compositions and inks containing a compound of Formula (1) and an ink jet printer cartridge containing the ink.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: November 29, 2005
    Assignee: Avecia Limited
    Inventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
  • Processes, compositions and compounds
    Publication number: 20040027399
    Abstract: A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a metal chelate compound of the Formula (1) and salts thereof: 1
    Type: Application
    Filed: May 20, 2003
    Publication date: February 12, 2004
    Applicant: Avecia Limited
    Inventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
  • Metal chelate compounds and inks
    Publication number: 20040020405
    Abstract: A metal chelate compound of the Formula (1) and salts thereof: 1
    Type: Application
    Filed: May 20, 2003
    Publication date: February 5, 2004
    Applicant: Avecia Limited
    Inventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel