Patents by Inventor Reuben Eisenstein

Reuben Eisenstein 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).

  • Patent number: 4042457
    Abstract: A composition of matter having activity as an inhibitor of cell proliferation is obtained by aqueous extraction of tissue having a high content of collagen and/or proteoglycans.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: August 16, 1977
    Assignee: Rush-Presbyterian-St. Luke's Medical Center
    Inventors: Klaus E. Kuettner, Reuben Eisenstein, Nino Sorgente
  • Patent number: RE30239
    Abstract: A composition of matter having activity as an inhibitor of cell proliferation .Iadd.and tissue invasion.Iaddend.is obtained by aqueous extraction of tissue having a high content of collagen and/or proteoglycans.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: March 25, 1980
    Inventors: Klaus E. Kuettner, Reuben Eisenstein, Nino Sorgente