Patents by Inventor Mu-lll Lim

Mu-lll Lim 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).

  • Coupler for use in oxidative hair dyeing
    Patent number: 6540793
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein R is selected from the group consisting of C1 to C2 alkyl and hydroxyethyl; R1 is selected from the group consisting of a hydrogen, hydroxy, nitro, halogen, C1 to C5 alkyl or haloalkyl, C1 to C5 alkoxy or cycloalkoxy, C1 to C5 hydroxyalkyl and C1 to C5 hydroxyalkoxy; Ar is an aromatic group, preferably an aromatic group selected from the group consisting of a furyl, thienyl, pyridyl, phenyl, 2,3-dihydro-benzo[1,4]dioxin-5 or -6-yl or benzo[1,3]dioxol-4 or -5-yl group; and y=1 to 3.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: April 1, 2003
    Assignee: Clairol Incorporated
    Inventors: Mu-lll Lim, Linas R. Stasaitis, Yuh-Guo Pan
  • Primary intermediates for oxidative coloration of hair
    Publication number: 20020148052
    Abstract: Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: January 18, 2002
    Publication date: October 17, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan
  • Primary intermediates for oxidative coloration of hair
    Publication number: 20020144359
    Abstract: Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: January 18, 2002
    Publication date: October 10, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan
  • Primary intermediates for oxidative coloration of hair
    Publication number: 20020144355
    Abstract: Primary intermediates useful hair coloring systems comprise 2-arylaminomethyl-4-aminophenols.
    Type: Application
    Filed: August 16, 2001
    Publication date: October 10, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan
  • Novel couplers for use in oxidative hair dyeing
    Publication number: 20020144361
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: January 18, 2002
    Publication date: October 10, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan, Gottfried Wenke
  • Couplers for oxidative coloration of hair
    Publication number: 20020144700
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: January 18, 2002
    Publication date: October 10, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan, James S. Anderson
  • Novel coupler for use in oxidative hair dyeing
    Publication number: 20020100127
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: November 16, 2001
    Publication date: August 1, 2002
    Inventors: Mu-lll Lim, Yuh-Guo Pan, James S. Anderson