Patents by Inventor Leslie Lockhart

Leslie Lockhart 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).

  • Preservative system
    Patent number: 9545103
    Abstract: Disclosed is a method of preserving a cosmetic or pharmaceutical formulation, the method comprising including a mixture of at least two of the following esters of salicylic acid and glycerin, or salts thereof, in the cosmetic or pharmaceutical formulation in an amount sufficient to reduce or inhibit growth of a microorganism in the cosmetic or pharmaceutical formulation:
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: January 17, 2017
    Assignee: Mary Kay Inc.
    Inventors: James Swanzy, Leslie Lockhart
  • PRESERVATIVE SYSTEM
    Publication number: 20150351391
    Abstract: Disclosed is a method of preserving a cosmetic or pharmaceutical formulation, the method comprising including a mixture of at least two of the following esters of salicylic acid and glycerin, or salts thereof, in the cosmetic or pharmaceutical formulation in an amount sufficient to reduce or inhibit growth of a microorganism in the cosmetic or pharmaceutical formulation:
    Type: Application
    Filed: June 22, 2015
    Publication date: December 10, 2015
    Inventors: James Swanzy, Leslie Lockhart
  • Preservative system
    Patent number: 9089131
    Abstract: Disclosed is a preservative or antimicrobial system, and methods for its use, that includes at least one ester of salicylic acid and glycerin or a salt thereof.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: July 28, 2015
    Assignee: Mary Kay Inc.
    Inventors: James Swanzy, Leslie Lockhart
  • PRESERVATIVE SYSTEM
    Publication number: 20140274974
    Abstract: Disclosed is a preservative or antimicrobial system, and methods for its use, that includes at least one ester of salicylic acid and glycerin or a salt thereof.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: Mary Kay Inc.
    Inventors: James Swanzy, Leslie Lockhart