Patents by Inventor Franz Eichenseer

Franz Eichenseer 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).

  • Grinding method for cellulose
    Patent number: 4076935
    Abstract: A method of reducing the particle size of cellulose compounds selected from the group consisting of cellulose and ether derivatives thereof which comprises grinding said compounds in a vibration mill in the presence of air and in the presence of sufficient water to yield a product having a water content of from 2 to 10% by weight, wherein at least 50% of the particles in the product have a particle size of 100 .mu. or less, a product obtained by said method and a binder composition containing said product.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: February 28, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Eichenseer, Dieter Steidl, Walter Muller