Patents by Inventor Ronni Weinkauf

Ronni Weinkauf 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).

  • Gluconolactones and glucarolactones as anti-irritants in cosmetic compositions
    Patent number: 6036963
    Abstract: Gluconolactone or glucarolactone in cosmetic skin care compositions, as anti-irritants, to reduce skin irritation, which may be intrinsic skin irritation or irritation caused by hydroxy acids or certain retinoids.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: March 14, 2000
    Assignee: Chesebrough-Ponds's USA Co., Division of Conopco, Inc.
    Inventors: Ronni Weinkauf, Uma Santhanam, Laura Palanker, Donald Rick, John Bartolone
  • Petroselinic acid as an anti-irritant in compositions containing alpha-hydroxy acids
    Patent number: 6022896
    Abstract: Compositions containing alpha hydroxy acids and further containing petroselinic acid as an anti-irritant/anti-sting agent.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: February 8, 2000
    Assignee: Chesebrough-Pond's USA Co.
    Inventors: Ronni Weinkauf, Uma Santhanam, Laura Rose Palanker, Thomas Eugene Januario, Anita Brinker
  • Cosmetic skin care compositions containing succinate compounds
    Patent number: 6007829
    Abstract: Cosmetic skin care compositions containing succinate compounds and cosmetic method of improving the appearance of wrinkled, lined, dry, flaky, aged or photodamaged skin and improving skin thickness, elasticity, flexibility, radiance, glow and plumpness.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: December 28, 1999
    Assignee: Cheesebrough-Pond's USA Co.
    Inventors: Ronni Weinkauf, Uma Santhanam, Laura Rose Palanker, Allan Robert Burger, Anthony Vincent Rawlings
  • Benefit agent compositions comprising mixtures of alpha-hydroxy esters
    Patent number: 5961992
    Abstract: The present invention relates to skin care or personal wash cleanser compositions comprising mixtures of short and long-chain alpha-hydroxy acid esters in order to obtain long term benefit of shorter esters while masking short term drying effect of short chain esters.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: October 5, 1999
    Assignee: Lever Brothers Company Inc.
    Inventors: Leonora Ilardi, Michael Paul Aronson, Ronni Weinkauf