Patents by Inventor Ian Christensen

Ian Christensen 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).

  • Method of producing mass colored beer bottles
    Publication number: 20070130704
    Abstract: The present invention relates to a mass colored polyester beer bottle and a method of producing a mass colored polyester beer bottle which method comprises incorporating into a polyester a dye of formula and a UV absorber.
    Type: Application
    Filed: February 6, 2007
    Publication date: June 14, 2007
    Inventors: Ian Christensen, Marie-Raphael Morvillier
  • Method of producing mass colored beer bottles
    Patent number: 7193001
    Abstract: A method of producing mass colored beer bottles comprising dyeing mass colored polyester with a dye of formula (1) wherein R1 is a radical of formula or of formula wherein R2 is hydrogen or C1–C4 and R3 is hydrogen or C1–C4alkyl, and a UV absorber.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: March 20, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ian Christensen, Marie-Raphael Morvillier
  • Method of producing coloured plastics or polymeric color particles
    Publication number: 20060160933
    Abstract: The present invention relates to a method of producing coloured plastics or polymeric colour particles, in which there is used the dye of formula (1), together with the dye of formula (2) and a UV absorber and, optionally, further dyes, especially in the colouring of beer bottles of polyethylene terephthalate (PET).
    Type: Application
    Filed: August 21, 2003
    Publication date: July 20, 2006
    Inventor: Ian Christensen
  • Method of producing coloured plastics or coloured polymeric particles
    Publication number: 20040254271
    Abstract: The present invention relates to a method of producing coloured plastics or coloured polymeric particles which comprises using a dye of formula (1), wherein R1 is a radical of formula (2) or of formula (3), wherein R2 is hydrogen or C1-C4alkyl, and R3 is hydrogen or C1-C4alkyl, and/or a dye of formula (4) and a UV absorber.
    Type: Application
    Filed: April 9, 2004
    Publication date: December 16, 2004
    Inventors: Ian Christensen, Marie-Raphael Morvillier