Patents by Inventor Michael J. Parkington

Michael J. Parkington 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).

  • Cosmetic composition comprising sunscreen containing microlatex particles
    Patent number: 5372804
    Abstract: Improved deposition of a cosmetic agent, e.g. a sunscreen, from a cosmetic composition such as a hair or body shampoo is achieved by incorporating the cosmetic agent in the composition in combination with, e.g. carried on the surface of or within pores of, latex particles of a polymeric material having a particle size of less than about 1 micron.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: December 13, 1994
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: Ezat Khoshdel, Gerald J. O'Shea, Michael J. Parkington
  • Oral compositions
    Patent number: 4970064
    Abstract: The invention relates to an oral composition for the care of the mouth to inhibit oral bacteria and to neutralize acids, produced by oral bacteria. This achieved by inclusion in the oral composition of a hydrotalcite-like material of a particular general formula, typical representatives being zinc aluminum hydrotalcite (Zn.sub.12 Al.sub.6 (OH).sub.36 (NO.sub.3).sub.6 H.sub.2 O) and copper magnesium aluminum hydrotalcite (Cu.sub.3 Mg.sub.9 Al.sub.4 (OH).sub.32 Cl.sub.4 H.sub.2 O).These hydrotalcite-like materials show significant anti-plaque activity. Typical examples of oral compositions are toothpastes and mouth rinses.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: November 13, 1990
    Assignee: Chesebrough-Pond's USA Co., a division of Conopco, Inc.
    Inventors: Unus S. Adam, Graham T. Brown, Ian G. Lyle, Michael J. Parkington