Patents by Inventor Gabriel Falkenberg

Gabriel Falkenberg 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).

  • Paper sizing agent and process for the preparation thereof
    Patent number: 4422879
    Abstract: An improved inversion process for the preparation of a paper sizing agent which is an aqueous dispersion containing a high content of free rosin in the form of fortified rosin and/or non-fortified rosin, water, and an anionic dispersing agent is disclosed. The improvement comprises using as the dispersing agent a polyethoxylated, sulfated rosin or a derivative thereof. There is also disclosed an aqueous dispersion useful as a paper sizing agent comprising from about 10 to about 60% of fortified and/or non-fortified rosin, from about 1 to about 10% of a polyethoxylated, sulfated rosin or a derivative thereof, based on the total weight of all solids in the dispersion, and a sufficient amount of water to form a dispersion.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: December 27, 1983
    Assignee: Akzona, Inc.
    Inventors: Guenter Poppel, Horst Schuermann, Gabriel Falkenberg