Patents by Inventor Kurt Baettig

Kurt Baettig 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).

  • Azo dyes and their preparation and use
    Patent number: 6562115
    Abstract: Monoazo dyes of formulas (III) wherein R1, R2, R3, D1 and M are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the preparation of inks for ink jet printing.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: May 13, 2003
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Kurt Baettig, Gérald Jan
  • Monoazo dyes and their preparation and use
    Publication number: 20020121221
    Abstract: Monoazo dyes of formulas (IV) 1
    Type: Application
    Filed: December 17, 2001
    Publication date: September 5, 2002
    Applicant: ILFORD IMAGING SWITZERLAND GmbH
    Inventor: Kurt Baettig
  • Recording sheets for ink jet printing
    Publication number: 20020064634
    Abstract: A recording sheet for ink jet printing is described, which consists of a support having coated thereon at least one ink-receiving layer consisting of binders and a porous inorganic oxide, wherein the recording sheet contains tautomeric compounds of formulas Ia (diketo form) and Ib (enol form) 1
    Type: Application
    Filed: October 10, 2001
    Publication date: May 30, 2002
    Applicant: ILFORD IMAGING SWITZERLAND GmbH
    Inventors: Kurt Baettig, Rolf Steiger, Karl Peternell
  • Azo dyes and their preparation and use
    Publication number: 20020017218
    Abstract: 1
    Type: Application
    Filed: May 29, 2001
    Publication date: February 14, 2002
    Applicant: ILFORD IMAGING SWITZERLAND GmbH
    Inventors: Kurt Baettig, Gerald Jan
  • Monoazo dyes and their preparation and use
    Patent number: 6320031
    Abstract: Monoazo dyes of formula (3) wherein A, R1, R2, M and n are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the preparation of inks for ink jet printing.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: November 20, 2001
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Kurt Baettig, Gérald Jan
  • Azo dyes and their preparation and use
    Patent number: 6068687
    Abstract: Azo dyes of formula (4) ##STR1## wherein A, R.sub.4, M and m are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the preparation of inks for ink jet printing.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: May 30, 2000
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Kurt Baettig, Gerald Jan
  • Ink compositions containing azo dyes for ink jet printing
    Patent number: 5844100
    Abstract: There is described novel azo dyes of formula (4) with high water solubility for use in aqueous inks, particularly for ink jet recording, which provide images having high water, smudge and light resistance ##STR1## wherein n, m are each independently 2 to 6;R is hydrogen or an aliphatic radical having from 1 to 6 atoms;M is hydrogen, a metal atom, preferentially an alkali metal, an ammonium or ammonium substituted with alkyl, alkoxyalkyl or hydroxyalkyl each having 1 to 12 C atomsandF represents a mono-azo or a poly-azo dye residue.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: December 1, 1998
    Assignee: Ilford Imaging Switzerland GmbH
    Inventor: Kurt Baettig
  • Dyes for ink jet printing
    Patent number: 5824785
    Abstract: There is described a new magenta azo dye which can be used in an aqueous composition in an ink-jet printing process.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: October 20, 1998
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Kurt Baettig, Gerald Jan
  • Ink compositions containing azo dyes for ink jet printing
    Patent number: 5721344
    Abstract: There is described novel azo dyes of formula (4) with high water solubility for use in aqueous inks, particularly for ink jet recording, which provide images having high water, smudge and light resistance ##STR1## wherein n, m are each independently 2 to 6;R is hydrogen or an aliphatic radical having from 1 to 6 atoms;M is hydrogen, a metal atom, preferentially an alkali metal, an ammonium or ammonium substituted with alkyl, alkoxyalkyl or hydroxyalkyl each having 1 to 12 C atomsandF represents a mono-azo or a poly-azo dye residue.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: February 24, 1998
    Assignee: Ilford A.G.
    Inventor: Kurt Baettig
  • Dyes for ink jet printing
    Patent number: 5684140
    Abstract: There is described a new magenta azo dye which can be used in an aqueous composition in an ink-jet printing process.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: November 4, 1997
    Assignee: Ilford A.G.
    Inventors: Kurt Baettig, Gerald Jan
  • Azo dyes for photographic silver dye bleach material
    Patent number: 5043257
    Abstract: Azo dyes of the formula ##STR1## where X is alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, X' is hydrogen, alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, Y and Y' are independently of each other hydrogen or halogen, Z is hydrogen, alkyl or alkoxy or alkylthio each of 1 to 4 carbon atoms, or halogen, M is a 1-, 2- or 3-valent metal cation, ammonium or an organic ammonium compound, m is 1, 2 or 3 and n is 2 to 10, are suitable for use as image dyes in photographic silver dye bleach materials.The dyes of the invention can also be used to dye textile materials.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: August 27, 1991
    Assignee: Ilford Limited
    Inventors: Kurt Baettig, Gerald C. Jan