Patents by Inventor Peter John Blakeman

Peter John Blakeman 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).

  • Container sealing compositions using latent cross-linking agent
    Patent number: 5747579
    Abstract: A container sealing latex composition is formed from a carboxylated styrene butadiene elastomer wherein the carboxyl groups are preferably provided by methacrylic acid, and the composition is substantially free of active crosslinking agent and preferably includes latent crosslinking agent and stabilise such as casein, rosin acid, styrene maleic anhydride copolymer or fatty acid.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: May 5, 1998
    Assignee: W.R. Grace & Co.-Conn.
    Inventors: Peter John Blakeman, Terence Richard Johnson