Patents Assigned to Mary Kay Cosmetics, Inc.
  • System and method for determining efficacy of sunscreen formulations
    Patent number: 5691158
    Abstract: A system and method is disclosed employing a full thickness skin model for determining minimum sun protection factors (SPFs) of various sunscreen formulations by measuring the release of an inflammatory mediator in the skin model.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: November 25, 1997
    Assignee: Mary Kay Cosmetics, Inc.
    Inventors: Barry T. Reece, Michael G. Rozen, David A. Deeds, Dale K. Roberts
  • Low irritant skin-cosmetic composition for daily topical use, its application and manufacture
    Patent number: 5520918
    Abstract: A skin-conditioning composition is disclosed which can be applied topically to improve skin cell renewal rates with low irritation levels and comprises minor proportions of a salicylic acid and a somewhat hydrophobic alpha hydroxy aliphatic acid formulated into an acidic cosmetic composition, optionally with an anti-irritant or anti-oxidant additive. Preferred acids are salicylic and lactic and appropriate compositions are also useful topical treatments for the scalp to reduce hair loss.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: May 28, 1996
    Assignee: Mary Kay Cosmetics, Inc.
    Inventor: Walter P. Smith
  • Silicone based cosmetic product
    Patent number: 5318775
    Abstract: Cosmetic formulations comprising mixtures of a polysiloxane having a viscosity at 25.degree. C. of from about 500 centistokes to about 1500 centistokes, cosmetic grade lanolin oil, lanolin wax, a gelling agent, hydrocarbon-derived polymers such as polybutene or ethylene vinyl acetate, or mixtures thereof, and a dry color mix are disclosed. The dry color mix may comprise an inorganic pigment, mixtures of inorganic pigments or a mixture of inorganic pigments and a pearling agents.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: June 7, 1994
    Assignee: Mary Kay Cosmetics, Inc.
    Inventors: Kathleen M. Shore, Carlene C. Gregg
  • Silicone based cosmetic product
    Patent number: 5085855
    Abstract: Cosmetic formulations comprising mixtures of a polysiloxane having a viscosity at 25.degree. C. of from about 500 centistokes to about 1500 centistokes, cosmetic grade lanolin oil, lanolin wax, a gelling agent, hydrocarbon-derived polymers such as polybutene or ethylene vinyl acetate, or mixtures thereof, and a dry color mix are disclosed. The dry color mix may comprise an inorganic pigment, mixtures of inorganic pigments or a mixture of inorganic pigments and a pearling agents.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: February 4, 1992
    Assignee: Mary Kay Cosmetics, Inc.
    Inventor: Kathleen M. Shore
  • Cosmetic demonstrator
    Patent number: 4915234
    Abstract: A cosmetic demonstrator comprising a substantially conical container having cylindrical sidewalls with first and second ends connected thereto wherein the first end contains a concave depression for storing the cosmetic and the second end contains a central opening extending throughout the container and defined by the cylindrical sidewalls and the first end thereof, for allowing manipulation of the container. Additionally, the containers are stackable, disposable and utilized in a one-time application.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: April 10, 1990
    Assignee: Mary Kay Cosmetics, Inc.
    Inventor: Randall L. Boeller
  • Compartmented storage box
    Patent number: D263896
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: April 20, 1982
    Assignee: Mary Kay Cosmetics, Inc.
    Inventor: James P. Glasgow
  • Miniature rose variety `Minoco`
    Patent number: PP5631
    Abstract: A new miniature rose variety of azalea pink flower coloring.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: January 14, 1986
    Assignee: Mary Kay Cosmetics, Inc.
    Inventor: Ernest D. Williams