Patents by Inventor Pierre Meurice

Pierre Meurice 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).

  • Method and device for increasing the volume of a head of hair
    Patent number: 5297566
    Abstract: The invention relates to a hairdressing method consisting in increasing the apparent volume of a head of hair and simultaneously setting it in this state of swelling by means of an aerosol generator. To do so, the aerosol is shaken with a mass flow of between 0.5 and 4.0 g/s at 20.degree. C., ensuring an atomization which provides a thrust of between 6,500 and 40,000 dynes at 20.degree. C. on a disc having a diameter of 160 mm, placed 150 mm from the dispensing head.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: March 29, 1994
    Assignee: L'Oreal
    Inventors: Donald E. Firstenberg, Martha L. Huff, Edward Carhart, Donald Warren, Herbert Umstead, Roland de la Mettrie, John A. Penicnak, Regis Beitone, Pierre Meurice
  • Electrofluidic transducer of the nozzle/plate type and hydraulic servo-valve equipped with such a transducer
    Patent number: 4705059
    Abstract: The transducer comprises a piezoelectric double-layer plate, the movements of which, under the effect of electrical signals, directly control the flow from one or two spray nozzles. The plate is mounted in a floating manner, without any fastening, between fixed supports of the knuckle-type which do not impede the free deformation (flexion or bending) of the plate. The invention makes it possible to increase the "signal-voltage/movement" ratio of the plate and reduce the hysteresis to obtain greater accuracy and reliability of response.
    Type: Grant
    Filed: June 6, 1986
    Date of Patent: November 10, 1987
    Assignee: Centre Technique des Industries Mecaniques
    Inventors: Jean-Pierre Lecerf, Charles Favey, Pierre Meurice
  • Hair lacquer sprays having reduced inflammability
    Patent number: 4173627
    Abstract: Hair lacquer compositions in pressurized containers are rendered less inflammable consistently throughout the emptying of the container by incorporating bromotrifluoromethane therein in an amount from 5 to 30% by weight based on the weight of the composition and providing the container with a valve provided with an inlet for additional gas.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: November 6, 1979
    Assignee: L'Oreal
    Inventors: Annie Madrange nee Dermain, Henri M. de Montalembert, Pierre Meurice, Jean-Louis Refregier
  • Constant flow aerosol container
    Patent number: 4168021
    Abstract: A substantially constant flow aerosol container having a dispensing valve provided in its inlet with a tube having a flow passage between 0.1 mm and 0.5 mm, and of a length sufficient so that flow occurs at a REYNOLDS number less than 3000. The propellant is a non-liquified gas.
    Type: Grant
    Filed: July 7, 1977
    Date of Patent: September 18, 1979
    Assignee: L'Oreal
    Inventors: Yves Hardouin, Robert Sathicq, Pierre Meurice
  • Aerosol foaming compositions
    Patent number: 4122159
    Abstract: Aerosol foam compositions which have improved stability and foaming containing 2-14% liquified gas and nitrous oxide propulsive agent, 0.2-6% of a tensio-active amphoteric foaming agent, and 0.2-3% tertiary amino oxide.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: October 24, 1978
    Assignee: L'Oreal
    Inventors: Annie Madrange, Jean Maes, Pierre Meurice