Patents by Inventor Inge Mansson

Inge Mansson 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).

  • Process for bleaching
    Patent number: 4919755
    Abstract: Process for bleaching of materials, at which an aqueous solution of borohydride containing borohydride corresponding to from 15 to 35 percent by weight of sodium borohydride and hydroxylic ions corresponding to not more than 10 percent by weight of NaOH is brought to react with a bisulfite solution, after which the dithionite solution thus obtained is added to the material to be treated. This process gives a simple and economic preparation of dithionite bleaching solution in situ, in connection with the bleaching.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: April 24, 1990
    Assignee: Eka Nobel AB
    Inventor: Inge Mansson