Patents by Inventor Nils Rune Lundqwist

Nils Rune Lundqwist 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).

  • Analysis of low ion contents
    Patent number: 4018563
    Abstract: A method of and an apparatus for analysing low halogenide ion contents, the analysis being performed photometrically after an electrodialysis concentration of the halogenide ions, whereby the halogenide ions are also converted into elementary halogen. By said conversion contaminating halogenide does not have any adverse influence on the photometric analysis.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: April 19, 1977
    Assignee: Aktiebolaget Atomenergi
    Inventors: Nils Rune Lundqwist, Gustav Lennart Dahl