Patents by Inventor Steven S. Emmer

Steven S. Emmer 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).

  • Ultrafiltration apparatus and method
    Patent number: 4222870
    Abstract: Method and apparatus for the constant volume solvent exchange or constant volume neutralization of a liquid solution or suspension of macromolecules. Liquid enters a bulk zone and passes into a thin layer filtration zone, in which the separation is effected through a semi-permeable membrane filter.
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: September 16, 1980
    Assignee: Millipore Corporation
    Inventors: Shmuel Sternberg, Steven S. Emmer