Patents by Inventor Adrian Pitfield

Adrian Pitfield 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 for producing hair dye products
    Patent number: 6616706
    Abstract: A process for making a hair colorant composition involving: (a) providing a phase inversion temperature emulsion or microemulsion containing: (i) an oil component; and (ii) an emusifier selected from the group consisting of an alkyl and/or alkenyl oligoglycoside, an anionic surfactant, an esterquat, a polyolpoly-12-hydroxystearate, a fatty alcohol, a fatty alcohol polyethylene glycol ether, and mixtures thereof; (b) providing a dye component; and (c) combining (a) and (b) at a temperature of from 15 to 25° C.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: September 9, 2003
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Joerg Kahre, Peter Busch, Thomas Foerster, Hermann Hensen, Holger Tesmann, Markus Sumser, Adrian Pitfield
  • Method for producing hair coloring preparations with improved viscosity
    Patent number: 6572663
    Abstract: A process for making a hair dye preparation involving: (a) providing an aqueous surface-active fatty alcohol dispersion containing: (i) a fatty alcohol; and (ii) a surfactant; (b) providing an oil component; (c) providing a hair dye component; and (d) combining (a)-(c), at a temperature of from 18 to 25° C., to form the hair dye preparation.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: June 3, 2003
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Adrian Pitfield, Heribert Lorenz, Frank Golinski, Joerg Kahre, Thomas Foerster, Markus Sumser, Armin Wadle
  • Aerosol foams
    Patent number: 4140648
    Abstract: Aerosol shaving foam formulations are provided containing as the foam forming medium an aqueous concentrate containing a selected nitrogen-containing surfactant and a long chain alcohol. An optional third surfactant, e.g. a nonionic surfactant, may be present.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: February 20, 1979
    Inventors: John Thompson, Adrian Pitfield
  • Aerosol foams
    Patent number: 4113643
    Abstract: Aerosol shaving foam preparations are disclosed containing as the foamable medium an aqueous concentrate containing a selected, water insoluble nitrogen-containing surfactant, a long chain alcohol and a solubilizing third surfactant component, preferably a water-soluble nonionic surfactant.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: September 12, 1978
    Assignee: Wilkinson Sword Limited
    Inventors: John Thompson, Adrian Pitfield
  • Aerosol foams
    Patent number: 4111827
    Abstract: Aerosol shaving foam preparations are disclosed containing as the foamable medium an aqueous concentrate containing a selected, nitrogen-containing surfactant, a long chain alcohol and a third surfactant component, preferably a water-soluble nonionic surfactant.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: September 5, 1978
    Assignee: Wilkinson Sword Limited
    Inventors: John Thompson, Adrian Pitfield