Patents by Inventor Karl-Dieter Herold

Karl-Dieter Herold 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).

  • Stabilized zeolite A suspensions
    Patent number: 4529541
    Abstract: Stabilized aqueous zeolite A suspensions containing a nonionic surfactant as a stabilizer and an anionic surfactant as a stabilizer auxiliary are improved by using at least one sulfated C.sub.10-20 alcohol or substituted alcohol as the stabilizer auxiliary. In a further embodiment, an acid salt may be added to the suspension to adjust the pH to below 12.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: July 16, 1985
    Assignee: Henkel Kommanditgesellschaft
    Inventors: Elmar Wilms, Karl-Dieter Herold, Rainer Salz