Patents by Inventor Robert D. Whitby

Robert D. Whitby 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: 4778614
    Abstract: A composition for the preparation of a soluble-oil for use in a cutting fluid comprises a mineral oil and, as an emulsifier, an effective amount of a sulphonate of a branched polymer of C.sub.3 to C.sub.5 olefin. Preferably the polyolefin chain of the sulphonate has an average molecular weight in the range 275 to 560 and the polyolefin is polyisobutene.A soluble-oil can be prepared from the above composition by the addition of a conventional corrosion inhibitor and diluted with water to make a cutting fluid. Advantages of the novel emulsifier are that they are resistant to breakdown by micro-organisms and do not require the addition of a coupling agent.
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: October 18, 1988
    Assignee: The British Petroleum Company p.l.c.
    Inventors: Anthony P. Rawlinson, Robert D. Whitby, James White