Patents by Inventor Åke Stenholm

Åke Stenholm 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).

  • Colored composition
    Patent number: 6627443
    Abstract: The present invention relates to new color compositions which are especially suitable to be used in oxygen indicators. The compositions comprise iron(II), an agent containing pyrogallol entities and an organic acid.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: September 30, 2003
    Assignee: Fresenius Kabi AB
    Inventors: Åke Stenholm, Lars Karlsson, Anders Löfgren, Bo Nystrom, Otto Skolling
  • Colored composition
    Patent number: 6399387
    Abstract: The present invention relates to new color compositions which are especially suitable to be used in oxygen indicators. The compositions comprise iron(II), an agent containing pyrogallol entities and an organic acid.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: June 4, 2002
    Assignee: Pharmacia AB
    Inventors: Åke Stenholm, Lars Karlsson, Anders Löfgren, Bo Nyström, Otto Skolling