Patents by Inventor Jeffrey J. Pasternak

Jeffrey J. Pasternak 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).

  • Sunscreen agents
    Patent number: 5474762
    Abstract: A sunscreen composition for application to human skin comprises an ultraviolet absorber which is introduced as an anion into a layered double hydroxide of the general formula[N.sub.m N.sub.n (OH).sub.2(m+n) ].sup.y+ X.sup.x-.sub.y/x .multidot.zH.sub.2 Owhere M is a divalent metal or lithium, N is a trivalent metal and X denotes anions present as an interlayer between layers of metal atoms joined through the OH groups.Such layered double hydroxides are, for this invention, suspended in a cosmetically acceptable vehicle.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: December 12, 1995
    Assignee: Chesebrough-Pond's USA Co. Division of Conopco, Inc.
    Inventors: Stuart W. Carr, Kevin R. Franklin, Charles C. Nunn, Jeffrey J. Pasternak, Ian R. Scott