Patents by Inventor Robert A. Balouskus

Robert A. Balouskus 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: 4327164
    Abstract: A battery separator, and a method of forming the same, which exhibits good electrical conductivity and a high degree of inhibition to dendrite formation, is in the form of a thin sheet formed from a substantially uniform mixture of a thermoplastic rubber, a filler, a rubber modifier, and a processing aid.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: April 27, 1982
    Assignee: W. R. Grace & Co.
    Inventors: Stewart C. Feinberg, Christian B. Lundsager, Joseph T. Lundquist, Jr., Robert A. Balouskus
  • Patent number: 4285751
    Abstract: A battery separator, and a method of forming the same, which exhibits good electrical conductivity and a high degree of inhibition to dendrite formation, is in the form of a thin sheet formed from a substantially uniform mixture of a thermoplastic rubber and a filler in a volume ratio of from about 1:0.15 to 1:0.6. The thermoplastic rubber is preferably a styrene/elastomer/styrene block copolymer.
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: August 25, 1981
    Assignee: W. R. Grace & Co.
    Inventors: Stewart C. Feinberg, Christian B. Lundsager, Joseph T. Lundquist, Jr., Robert A. Balouskus
  • Patent number: 4224393
    Abstract: A battery separator, and a method of forming the same, which exhibits good electrical conductivity and a high degree of inhibition to dendrite formation, is in the form of a thin sheet formed from a substantially uniform mixture of a thermoplastic rubber and a filler in a volume ratio of from about 1:0.15 to 1:0.6. The thermoplastic rubber is preferably a styrene/elastomer/styrene block copolymer.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: September 23, 1980
    Assignee: W. R. Grace & Co.
    Inventors: Stewart C. Feinberg, Christian B. Lundsager, Joseph T. Lundquist, Jr., Robert A. Balouskus