Patents by Inventor Ingeborg Kolb

Ingeborg Kolb 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).

  • Sizing agent and use thereof
    Patent number: 4784727
    Abstract: A sizing agent which contains from 1 to 60 parts, by weight, of a fixing and sizing accelerating agent and from 0 to 80 parts, by weight, of conventional auxiliaries per 10 parts by weight of hydrophobic, cellulose-reactive sizing materials, the fixing and sizing accelerating agent being a polymer composed of linear or branched carbon chains, to which primary, secondary or tertiary amino and/or quaternary ammonium groups are bound directly or by side chains exhibits a thorough and rapid sizing effect, in particular in the better sizing of paper.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: November 15, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolf-Dieter Schroer, Joachim Probst, Ingeborg Kolb, Ulrich Beck, Peter Mummenhoff, Heinz Baumgen