Patents by Inventor Sten Forsmo

Sten Forsmo 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).

  • Patent number: 4728537
    Abstract: Finely divided mineral ore is pelletized using a soluble synthetic polymer. Preferably the polymer is in the form of beads made by reverse phase polymerization and all having a size of below 300 .mu.m. When the ore gives a pH in water of below 8 the soluble polymer is preferably cationic.
    Type: Grant
    Filed: May 29, 1987
    Date of Patent: March 1, 1988
    Assignee: Allied Colloids Limited
    Inventors: Anthony P. Allen, Sten Forsmo, John G. Langley
  • Patent number: 4684549
    Abstract: Finely particulate iron ore is pelletized using finely particulate, free flowing, anionic water soluble synthetic polymer having intrinsic viscosity of from 3 to 16 as binder.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: August 4, 1987
    Assignee: Allied Colloids Limited
    Inventors: Anthony P. Allen, Sten Forsmo, John G. Langley