Patents by Inventor Ake V. Hultgren

Ake V. Hultgren 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 treatment of a spent, radioactive, organic ion exchange resin
    Patent number: 4671898
    Abstract: A spent, radioactive, organic ion exchange resin is converted into a stable inorganic product having a considerably reduced volume in the following way. The radioactive ion exchange resin is mixed with a salt and an inorganic sorbent for radioactive nucleides, liberated by the salt, the mixture is dried and incinerated, whereupon the ash is solidified in cement.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: June 9, 1987
    Assignee: Studsvik Energiteknik AB
    Inventor: Ake V. Hultgren