Patents by Inventor Rolf O. Nilsson

Rolf O. Nilsson 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 for producing basic aluminum sulphate (III)
    Patent number: 4563342
    Abstract: The present invention relates to a method for producing sulphate-poor, polynucleate aluminium hydroxide sulphate complexes of the general formula[Al(OH).sub.x (SO.sub.4).sub.y (H.sub.2 O).sub.z ].sub.nin which n is an integer; x is 0.75-2.0; y is 0.5-1.12; x+2y is 3; z is 1.5-4 when the product is in solid form, and z>>4 when the product is in the form of an aqueous solution, an amorphous aluminium hydroxide being admixed with aluminium sulphate and/or sulphuric acid to y=0.5-1.12; preferably 0.5-0.75.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: January 7, 1986
    Assignee: Boliden Aktibolag
    Inventors: Lennart K. Gunnarsson, Rolf O. Nilsson