Patents by Inventor Fred G. Krautz

Fred G. Krautz 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: 4473618
    Abstract: Chrome-free aqueous sizing composition for glass fiber gun roving contains a mixture of emulsified film-forming polymers, titanium acetyl acetonate, silylated polyazamide, cationic lubricant and methacryloxypropylsilane.
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: September 25, 1984
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Leonard J. Adzima, Jeffrey L. Antle, David E. Musick, Fred G. Krautz
  • Patent number: 4309326
    Abstract: A size composition for glass fibers, and glass fibers coated therewith, is disclosed. The size comprises an unsaturated, water-emulsifiable polyester resin, an ethylene-vinyl acetate copolymer emulsion and a polyvinyl acetate-organo silane copolymer, the size being suitable for application to fiberglass roving employed to reinforce sheet and bulk molding compounds.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: January 5, 1982
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Donald B. Sage, Fred G. Krautz
  • Patent number: 4178412
    Abstract: A size composition for glass fibers, and glass fibers coated therewith, is disclosed. The size comprises an unsaturated, water-emulsifiable polyester resin, an ethylene-vinyl acetate copolymer emulsion and a polyvinyl acetate-organo silane copolymer, the size being suitable for application to fiberglass roving employed to reinforce sheet and bulk molding compounds.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: December 11, 1979
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Donald B. Sage, Fred G. Krautz
  • Patent number: 4126729
    Abstract: Disclosed are gun roving glass fibers coated with an aqueous-based size comprising an epoxidized polyvinyl acetate copolymer in combination with a vinyl acetate-ethylene copolymer and a vinyl acetate copolymer.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: November 21, 1978
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Tom A. Richardson, William N. Haggerty, Fred G. Krautz