Patents Represented by Attorney S. Nolan

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  • Skin coloring and sunscreening compositions containing indoles and M-nitro alkoxybenzenes
    Patent number: 5037640
    Abstract: Compositions containing selected indoles and m-nitro alkoxybenzenes are useful for imparting a tan coloration to the skin while concurrently functioning as sun screening compositions.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: August 6, 1991
    Assignee: Clairol Incorporated
    Inventors: Thomas M. Schultz, George Serban, Alexander C. Chan
  • Substituted N-aryl pyrroles in oxidative hair dye compositions
    Patent number: 5019130
    Abstract: The coloring of human hair and other keratinaceous substrates can be carried out efficiently using compositions containing certain N-aryl pyrroles as dye couplers or developers.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: May 28, 1991
    Assignee: Clairol Incorporated
    Inventor: Lawrence A. Flood
  • Organic synthesis
    Patent number: 4980505
    Abstract: The conversion of ortho-hydroxylated Mannich bases to the corresponding methylated compounds, e.g., cresols, can be effectively carried out using a novel hydrogenation technique.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: December 25, 1990
    Assignee: Clairol Incorporated
    Inventors: Yuh-Guo Pan, Lana L. Hochman
  • Processes for coloring and/or conditioning hair
    Patent number: 4975092
    Abstract: A process for coloring and/or conditioning hair using modified primary intermediates and/or a modified coupler containing a hydrophobic group or a group containing a cationic site amenable to reaction with an anionic surfactant; novel modified primary intermediates and modified couplers also being disclosed as well as novel synthetic methods for making these compounds.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: December 4, 1990
    Assignee: Clairol Incorporated
    Inventors: Alexander C. Chan, Yuh-Guo Pan, Leszek J. Wolfram
  • Air freshener with microporous membrane
    Patent number: 4948047
    Abstract: A passive dispenser of volatile liquid fragrance composition from a container thereof. The container has an orifice at its bottommost point and an isotatic hydrophobic polypropylene membrane covering the orifice. The membrane permits passage of the liquid fragrance composition therethrough in the liquid phase in order to enable the composition of the liquid transmitted through the membrane to be substantially the same as that of the liquid within the container.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: August 14, 1990
    Assignee: Drackett Company
    Inventor: Anthony R. Zembrodt