Patents by Inventor Mu-III Lim

Mu-III 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).

  • Publication number: 20040211011
    Abstract: Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1
    Type: Application
    Filed: May 3, 2004
    Publication date: October 28, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Mu-Iii Lim, Yuh-Guo Pan
  • Patent number: 6693196
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein Y is CH or N and Z is H, OCH3, NH2 and alkyl of from 1 to 4 carbon atoms, with the proviso that when Y is N the 2,4-diaminophenoxy moieties are positioned at the 4 and 6 positions on the pyrimidine ring.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: February 17, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Mu-III Lim, Yuh-Guo Pan, James S. Anderson
  • Publication number: 20030131422
    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: July 17, 2003
    Inventors: Mu-Iii Lim, Yuh-Guo Pan
  • Patent number: 6589295
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of formula (1): wherein X is selected from of halogen and R5SO4 R3 is selected from C1 to C2 alkyl and hydroxyethyl; and R, R1, R2 and R5 are each independently selected from C1 to C22 alkyl or C1 to C22 mono or dihydroxyalkyl.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: July 8, 2003
    Assignee: Clairol Incorporated
    Inventors: Mu-Iii Lim, Yuh-Guo Pan, Margaret Popp
  • Patent number: 6562080
    Abstract: Primary intermediates useful hair coloring systems comprise 2-arylaminomethyl-4-aminophenols. The invention provides new 2-arylaminomethyl-4-aminophenol compounds of Formula (1): wherein R is a moiety selected from formulae (2), (3) or (4) wherein R1, R2, R3, R4 and R5 are each independently selected from a hydrogen atom, a halogen atom, a hydroxy group, an amino group, a C1-C6 alkyl or haloalkyl group, a C1-C6 alkoxy or haloalkoxy group, and a nitrile group, and R6 is a hydrogen atom, a halogen atom, a C1-C4 alkyl or a C1-C4 alkoxy group.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: May 13, 2003
    Assignee: Clairol Incorporated
    Inventors: Mu-III Lim, Yuh-Guo Pan
  • Publication number: 20030061667
    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: April 3, 2003
    Inventors: Mu-III Lim, Yuh-Guo Pan, James S. Anderson
  • Publication number: 20030056303
    Abstract: Primary intermediate for hair coloring compositions for oxidative dyeing of hair is 4-amino-2-(1-hydroxy-ethyl)-phenol.
    Type: Application
    Filed: January 18, 2002
    Publication date: March 27, 2003
    Inventors: Mu-III Lim, Yuh-Guo Pan
  • Publication number: 20020170124
    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: November 21, 2002
    Inventors: Mu-III Lim, Yuh-Guo Pan
  • Publication number: 20020147193
    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-III Lim, Yuh-Guo Pan
  • Patent number: 6461391
    Abstract: Primary intermediates useful hair coloring systems comprise quaternized pyrrolidine compounds. The invention provides new quaternized pyrrolidine of Formula (1): wherein X is Cl, Br, I, or R3SO4; R is a C1 to C22 alkyl group or a C1 to C22 mono or dihydroxyalkyl group; R1 and R2 are each independently a C1 to C4 alkyl group; R3 is a C1 to C22 alkyl group or a C1 to C22 mono or dihydroxyalkyl group; R4 is a hydrogen atom, a C1 to C5 alkyl group or such an alkyl group substituted with one or more hydroxy or amino moieties; and R5 is a hydrogen atom or a hydroxy group.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: October 8, 2002
    Assignee: Clairol Incorporated
    Inventors: Mu-III Lim, Yuh-Guo Pan
  • Publication number: 20020106341
    Abstract: Primary intermediates useful hair coloring systems comprise quaternized pyrrolidine compounds.
    Type: Application
    Filed: December 6, 2000
    Publication date: August 8, 2002
    Inventors: Mu-III Lim, Yuh-Guo Pan
  • Publication number: 20020100126
    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-III Lim, Yuh-Guo Pan, Margaret Popp
  • Publication number: 20020102224
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of formula (1): 1
    Type: Application
    Filed: November 16, 2001
    Publication date: August 1, 2002
    Inventors: Mu-Iii Lim, Yuh-Guo Pan, Margaret Popp
  • Patent number: 5980584
    Abstract: The novel primary intermediate, 1-(5-amino-2-hydroxyphenyl)ethane-1,2-diol and a method for producing same, are disclosed. The novel intermediate can be employed as a replacement for p-aminophenol in oxidation dye formulations.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: November 9, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mu-III Lim, Linas R. Stasaitis, Yuh-Guo Pan, Michael Y. M. Wong
  • Patent number: 5865854
    Abstract: The invention provides compositions and methods containing novel bis-(2,4-diaminophenoxy)benzene coupling compounds, and cosmetically acceptable salts thereof, for use with conventional primary intermediate dye compounds and oxidizing agents for the oxidative coloring of human hair. The compositions of the invention may also contain other components typically used in oxidative hair dye preparations to impart intense and lasting coloration to hair.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: February 2, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mu-Iii Lim, Yuh-Guo Pan, Linas R. Stasaitis