Patents by Inventor Zaid Schold

Zaid Schold 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 the production of paper
    Patent number: 5846384
    Abstract: A process for the production of paper from a suspension of cellulose containing fibers, and optional fillers, which comprises adding an aluminum compound and anionic inorganic particles to the suspension, forming and draining the suspension on a wire, wherein the aluminum compound and anionic inorganic particles are mixed immediately prior to addition to the suspension.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: December 8, 1998
    Assignee: Eka Chemicals AB
    Inventors: Zaid Schold, Hans Johansson