Patents by Inventor Michael R. C. Winter

Michael R. C. Winter 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).

  • Method of cleaning teeth and compositions for use in such method
    Patent number: 4218434
    Abstract: The invention relates to a method of cleaning teeth by applying thereto one or more elements selected from yttrium, scandium and lanthanum and the lanthanides, and to compositions, such as mouthwashes, toothpastes and dental gels, for use in such a method.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: August 19, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Gunnar Rolla, Michael R. C. Winter