Patents by Inventor Ann-Christine M. Jakobsson

Ann-Christine M. Jakobsson 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 relating to the production of amorphous test bodies
    Patent number: 5266094
    Abstract: A method of producing amorphous sample bodies which can be used for optical spectral analysis and X-ray spectral analysis, by fusing an analysis sample together with flux and by introducing finely-divided SiO.sub.2 in a quantity corresponding to from 1-100% of the sample quantity, prior to the fusion process. Sample bodies obtained when practicing the inventive method are used for the analysis of geological material, inorganic environmental sample material and sulfidic and/or oxidic products obtained from ferrous and non-ferrous manufacturing processes.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: November 30, 1993
    Assignee: Boliden Mineral AB
    Inventors: Hi K. E. Johansson, Ann-Christine M. Jakobsson, Ove R. A. Lindmark, Karl J. Malmqvist