Patents by Inventor Richard Michael Twemlow

Richard Michael Twemlow 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: 3991001
    Abstract: A toilet soap bar having improved lathering properties contains as superfatting agent a clathrate of urea and a free fatty acid, the amount of urea and free fatty acid present being not more than about 40% by weight of the total soap, urea and free fatty acid.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: November 9, 1976
    Assignee: Lever Brothers Company
    Inventors: Ganapathy Srinivasan, Richard Michael Twemlow, Srinivasan Varadarajan