Patents by Inventor Michael Wojcik

Michael Wojcik 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).

  • Patent number: 6544562
    Abstract: A dual regimen acne treatment package includes an outer container, and disposed within the outer container first and second inner containers which are separate from each other. Each of the inner containers has an exposed dispensing means, the first inner container containing a solubilized salicylic acid acne treatment composition, and the second inner container containing a solubilized benzoyl peroxide acne treatment composition.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: April 8, 2003
    Assignee: Blistex Inc.
    Inventors: Mohinder Singh, Michael A. Wojcik
  • Publication number: 20030008851
    Abstract: A dual regimen acne treatment package includes an outer container, and disposed within the outer container first and second inner containers which are separate from each other. Each of the inner containers has an exposed dispensing means, the first inner container containing a solubilized salicylic acid acne treatment composition, and the second inner container containing a solubilized benzoyl peroxide acne treatment composition.
    Type: Application
    Filed: June 25, 2001
    Publication date: January 9, 2003
    Inventors: Mohinder Singh, Michael A. Wojcik
  • Patent number: 6436417
    Abstract: A substantially alcohol-free composition for treatment of acne contains about 0.05 to 26% by weight salicylic acid and about 0.05 to 28% by weight of a solubilizing agent for the salicylic acid, which is sodium tetraborate, sodium carbonate or sodium bicarbonate, dissolved in a cosmetically acceptable aqueous medium.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: August 20, 2002
    Assignee: Blistex Inc.
    Inventors: Mohinder Singh, Michael A. Wojcik
  • Patent number: 6428772
    Abstract: A composition for topical aerosol application contains, by weight, a) about 20 to 90% of an active mixture in the form of a solution, gel or lotion with salicylic acid or benzoyl peroxide as active ingredient, and optionally, a polymeric thickening agent for a gel or lotion, and b) about 10 to 80% of a propellant system which includes dimethyl ether. The composition has a temperature in the range of 3 to 25° C. when dispensed.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: August 6, 2002
    Assignee: Blistex Inc.
    Inventors: Mohinder Singh, Michael A. Wojcik
  • Patent number: 5755352
    Abstract: A closure for a container is provided which includes a collar engaging the opening of the container, and a removable cap pivotally hinged to the collar by means of a double-fold hinge. When closed, the cap fits over the collar. The arc of travel of the cap as it pivots between its opened and closed position is such that the cap clears the cap engaging portion of the collar and the product in the container. The upper surface of the cap includes a chordal ridge which is adapted to be engaged by thumb pressure enabling easy grasping and opening of the container using one hand. The collar includes a cap engaging portion having at least one upstanding bead circumferentially disposed along an outside surface while the cap has at least one ridge circumferentially disposed along an inside surface configured to engage the upstanding bead when the cap is removably placed over the cap engaging portion such that the cap is retained on the collar.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: May 26, 1998
    Assignee: Blistex Inc.
    Inventors: Michael A. Wojcik, Michael J. Donnantuono
  • Patent number: 5531349
    Abstract: A closure for a container is provided which includes a collar engaging the opening of the container, and a removable cap pivotally hinged to the collar by means of a double-fold hinge. When closed, the cap fits over the collar. The arc of travel of the cap as it pivots between its opened and closed position is such that the cap clears the cap engaging portion of the collar and the product in the container. The upper surface of the cap includes a chordal ridge which is adapted to be engaged by thumb pressure enabling easy grasping and opening of the container using one hand.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: July 2, 1996
    Assignee: Blistex Inc.
    Inventors: Michael A. Wojcik, Michael J. Donnantuono
  • Patent number: 4893956
    Abstract: A pad and container assembly wherein the pad comprises a sponge-like center section and a non-permeable protective disk secured to its inner side, which is immersed in a medicament in the bottom of the cup,the disk being pressed against an annular ridge containing the medicament and conforming to its shape to form a seal,the center section of the pad being compressable within the container,the pad having a foldable handle on its upper side which is extendable when the container is opened upon removal of a cover releasably adhered to the outer rim of the container.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: January 16, 1990
    Assignee: Blistex Inc.
    Inventors: Michael A. Wojcik, Steven L. Kliff