Patents by Inventor Joseph J. Benischeck

Joseph J. Benischeck 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: 4081383
    Abstract: Soiling resistance and soil release of carpets are improved by coating the carpets or carpet yarns prior to carpet manufacture with a polymeric material containing either (A) a blend of a methacrylic acid emulsion copolymer and an epoxy resin or (B) a methacrylic acid emulsion copolymer having epoxy monomer units therein. The copolymer in either case contains 40-75% by weight methacrylic acid and the glass transition temperature of cured coatings of the polymeric material is at least 50.degree. C.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: March 28, 1978
    Assignee: Rohm and Haas Company
    Inventors: Charles E. Warburton, Jr., Joseph J. Benischeck