Patents by Inventor Harvey L. Kaufman

Harvey L. Kaufman 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).

  • METHOD OF ISOLATING A CELL FROM URINE
    Publication number: 20110207167
    Abstract: A method of isolating a cell from a urine sample includes dialyzing the urine sample with a dialysate. The dialysate is separated from the urine sample by a dialysis membrane. The dialysis membrane excludes the passage of the cell through the dialysis membrane.
    Type: Application
    Filed: September 28, 2010
    Publication date: August 25, 2011
    Inventor: HARVEY L. KAUFMAN
  • Latex rubber additive and latex rubber compounds
    Patent number: 5877244
    Abstract: An additive for latex rubber compounds is provided, the additive comprising crosslinked fatty acid and preferably lightweight microcellular filler, preferably expanded perlite. The additive is prepared as an aqueous emulsion and increases tear resistance in latex rubber compounds.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: March 2, 1999
    Assignee: Flow Polymers, Inc.
    Inventors: James W. Hoover, Maurice E. Wheeler, James V. Fusco, Harvey L. Kaufman
  • Rubber additive and rubber compounds
    Patent number: 5650454
    Abstract: A rubber additive is provided, which comprises crosslinked fatty acid and starch, and preferably further comprises a carrier, preferably an asphalt carrier. The rubber additive increases tear resistance when added to a rubber compound.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: July 22, 1997
    Assignee: Flow Polymers, Inc.
    Inventors: James W. Hoover, Maurice E. Wheeler, James V. Fusco, Harvey L. Kaufman
  • Bright zinc electroplating bath and method
    Patent number: 4218292
    Abstract: An aqueous acidic electroplating bath for the deposition of zinc is provided which comprises zinc ions in an amount sufficient to deposit zinc metal on a substrate, chloride ions in an amount sufficient to impart electrical conductivity to said bath, boric acid in an amount sufficient to buffer said bath to the desired pH, and an effective amount of at least one brightener selected from the group consisting of (i) condensation products of aromatic aldehydes with amides and (ii) condensation products of aromatic aldehydes with urea or substituted ureas.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: August 19, 1980
    Assignee: McGean Chemical Company, Inc.
    Inventors: Jack D. Fellman, Harvey L. Kaufman, Alan W. Stobbe