Patents by Inventor Bo Nyström

Bo Nyström 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: 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