Patents by Inventor William Blokhuis

William Blokhuis 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).

  • High performance calcium borate modified overbased calcium sulfonate complex greases
    Patent number: 4560489
    Abstract: High performance modified high metal ratio overbased calcium complex greases which contain colloidally dispersed therein calcium carbonate in the form of crystalline calcite, and which greases include minor proportions, by weight, of (a) a calcium borate and (b) a calcium soap of a soap-forming aliphatic monocarboxylic acid containing at least 12 carbon atoms, exemplified by 12-hydroxystearic acid, said (a) and (b) ingredients being essentially homogeneously distributed through said calcium complex grease.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: December 24, 1985
    Assignee: Witco Chemical Corporation
    Inventors: Ron Muir, William Blokhuis