Patents Assigned to Neutra Rust International Limited
  • Compositions for rust treatment
    Patent number: 4724249
    Abstract: The invention is a rust proofing composition containing a copolymer in latex form derived from:(i) vinylidene chloride(ii) vinyl chloride; and(iii) one or more alkyl acrylates and/or alkyl metharcylates having from 1 to 12 carbon atoms is the alkyl group; anda chelating agent comprising pyrogallol, said pyrogallol being present in an amount between 0.5 and 5.0 percent by weight of said aqueous emulsion.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: February 9, 1988
    Assignee: Neutra Rust International Limited
    Inventor: Daniel C. Roberts