Patents by Inventor Aziz Fadli

Aziz Fadli 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).

  • Coloring composition comprising at least one azomethine compound with a pyrazolinone unit
    Patent number: 7582123
    Abstract: The present disclosure relates to a composition for coloring keratin fibers which comprises, in an appropriate dyeing medium, at least one compound chosen from leuco compounds of formula (I), azomethine dyes with a pyrazolinone unit of formula (II), their mesomeric forms, acid addition salts and solvates thereof: and dyeing methods and multicompartment devices for use thereof.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: September 1, 2009
    Assignee: L'Oreal S.A.
    Inventors: Aziz Fadli, Eric Metais
  • Composition for dyeing keratin fibers comprising at least one cationic 3-amino-pyrazolopyridine derivative, and methods of use thereof
    Patent number: 7578855
    Abstract: The present disclosure relates to a composition for the dyeing of keratin fibers, such as the hair, comprising at least oneoxidation base chosen from cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and addition salts thereof, and a method employing this composition. The present disclosure also relates to cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and the addition salts thereof.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: August 25, 2009
    Assignee: L'Oréal S.A.
    Inventor: Aziz Fadli
  • Coloring composition comprising at least one azomethine compound with a pyrazolinone unit
    Publication number: 20090044348
    Abstract: The present disclosure relates to a composition for coloring keratin fibers which comprises, in an appropriate dyeing medium, at least one compound chosen from leuco compounds of formula (I), azomethine dyes with a pyrazolinone unit of formula (II), their mesomeric forms, acid addition salts and solvates thereof: and dyeing methods and multicompartment devices for use thereof.
    Type: Application
    Filed: June 19, 2008
    Publication date: February 19, 2009
    Inventors: Aziz Fadli, Eric Metais
  • Method of coloring keratinous fibers comprising application of at least one aminopyrazolopyridine oxidation base in the absence of chemical oxidizing agents
    Publication number: 20080289121
    Abstract: Disclosed herein are methods for coloring keratinous fibers comprising applying to the fibers a dyeing composition comprising at least one aminopyrazolopyridine base, said coloring method being performed without the addition of chemical oxidizing agents.
    Type: Application
    Filed: May 9, 2008
    Publication date: November 27, 2008
    Inventors: Jean-Baptiste Saunier, Aziz Fadli
  • Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative
    Publication number: 20080071092
    Abstract: Disclosed herein are a composition for dyeing keratinous fibers, for example, human keratinous fibers such as hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone derivative and a method using the composition. Further disclosed herein are amino-N,N-dihydropyrazolone derivatives and the addition salts thereof and diamino-N,N-dihydropyrazolone derivatives and the addition salts thereof, as well as the methods for preparing these compounds.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 20, 2008
    Inventors: Laurent Vidal, Aziz Fadli
  • Heteroaromatic binuclear black direct dyes
    Patent number: 7288124
    Abstract: Disclosed herein are novel heteroaromatic binuclear direct dyes, dye compositions containing these dyes and also a process for dyeing keratin fibers using them. In particular, the invention relates to heteroaromatic binuclear direct dyes comprising a pyridine nucleus. With these novel dyes, black shades that show good fastness can be obtained, and they also may show good stability in dye compositions.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: October 30, 2007
    Assignee: L'Oreal S.A.
    Inventor: Aziz Fadli
  • Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative
    Patent number: 7285137
    Abstract: Disclosed herein are a composition for dyeing keratinous fibers, for example, human keratinous fibers such as hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone derivative and a method using the composition. Further disclosed herein are amino-N,N-dihydropyrazolone derivatives and the addition salts thereof and diamino-N,N-dihydropyrazolone derivatives and the addition salts thereof, as well as the methods for preparing these compounds.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: October 23, 2007
    Assignee: L'Oreal, S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • 6-alkoxy-2,3-diaminopyridine couplers in which the amino radical in position 2 is a disubstituted amino radical, and use of these couplers for dyeing keratin fibres
    Patent number: 7238211
    Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibers, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibers and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: July 3, 2007
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Composition for the dyeing of keratin fibers comprising at least one 3-amino-pyrazolopyridine derivatives
    Publication number: 20070143935
    Abstract: Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping.
    Type: Application
    Filed: November 9, 2006
    Publication date: June 28, 2007
    Inventors: Aziz Fadli, Laurent Vidal, Stephane Sabelle
  • Composition for dyeing keratin fibers comprising at least one cationic 3-amino-pyrazolopyridine derivative, and methods of use thereof
    Publication number: 20070136959
    Abstract: The present disclosure relates to a composition for the dyeing of keratin fibers, such as the hair, comprising at least oneoxidation base chosen from cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and addition salts thereof, and a method employing this composition. The present disclosure also relates to cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and the addition salts thereof.
    Type: Application
    Filed: November 9, 2006
    Publication date: June 21, 2007
    Inventor: Aziz Fadli
  • Couplers of 2,3,5-triaminopyridine and use of the same for dyeing keratin fibers
    Patent number: 7175670
    Abstract: The present invention relates to a dye composition comprising at least one oxidation base and at least one coupler of the 2,3,5-triaminopyridine type. This composition may be useful for dyeing keratin fibers, such as the hair. Also disclosed are a process for dyeing keratin fibers and a multi-compartment dyeing kit using the claimed dye composition. Such a composition can make it possible to obtain strong, uniform dyeing results between the end and the root, which are resistant to external agents, while at the same time being capable of giving varied shades, for example, in fundamental shades such as chestnut, grey or black shades.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: February 13, 2007
    Assignee: L'Oreal S.A.
    Inventors: Aziz Fadli, Laurent Vidal
  • 6-alkoxy-2,3-diaminopyridine couplers in which the amino radical in position 2 is a monosubstituted amino radical, and use of these couplers for dyeing keratin fibres
    Patent number: 7044987
    Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibres, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a monosubstituted amino radical, to the use of this composition for dyeing keratin fibres and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: May 16, 2006
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Novel 6-alkoxy-2, 3-diaminopyridine couplers in which the amino radical in position 2 is a disubstituted amino radical, and use of these couplers for dyeing keratin fibres
    Publication number: 20060090270
    Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibres, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibres and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.
    Type: Application
    Filed: October 6, 2003
    Publication date: May 4, 2006
    Inventors: Laurent Vidal, Aziz Fadli
  • Dyeing composition for dyeing keratinous fibers comprising a cationic azo-dye
    Patent number: 7022143
    Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo-dye of formula (I): W1—N?N—W2—W3, as well as the dyeing method using said composition and the novel compounds of formula (I).
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: April 4, 2006
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Novel heteroaromatic binuclear black direct dyes
    Publication number: 20060053568
    Abstract: Disclosed herein are novel heteroaromatic binuclear direct dyes, dye compositions containing these dyes and also a process for dyeing keratin fibers using them. In particular, the invention relates to heteroaromatic binuclear direct dyes comprising a pyridine nucleus. With these novel dyes, black shades that show good fastness can be obtained, and they also may show good stability in dye compositions.
    Type: Application
    Filed: September 8, 2005
    Publication date: March 16, 2006
    Inventor: Aziz Fadli
  • Composition for dyeing keratinous fibers comprising at least one diamino-N,N-dihydropyrazolone derivative
    Publication number: 20050166335
    Abstract: Disclosed herein are a composition for dyeing keratinous fibers, for example, human keratinous fibers such as hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone derivative and a method using the composition. Further disclosed herein are amino-N,N-dihydropyrazolone derivatives and the addition salts thereof and diamino-N,N-dihydropyrazolone derivatives and the addition salts thereof, as well as the methods for preparing these compounds.
    Type: Application
    Filed: December 1, 2004
    Publication date: August 4, 2005
    Inventors: Laurent Vidal, Aziz Fadli
  • 6-alkoxy-2,3-diaminopyridine couplers for dyeing keratin fibres
    Patent number: 6916345
    Abstract: Dye compositions for dyeing keratin fibers, comprising at least one oxidation base and at least one coupler chosen from 6-alkoxy-2,3-diaminopyridine derivatives of formula (I) as defined herein and the addition salts thereof; the use of the compositions for dyeing keratin fibers; and the dyeing processes using the compositions; as well as at least one entity chosen from novel 6-alkoxy-2,3-diaminopyridine compounds and their addition salts thereof that are useful as couplers.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: July 12, 2005
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Novel 6-alkoxy-2, 3-diaminopyridine couplers in which the amino radical in position 2 is a disubstituted amino radical, and use of these couplers for dyeing keratin fibres
    Publication number: 20050086747
    Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibres, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibres and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.
    Type: Application
    Filed: October 6, 2003
    Publication date: April 28, 2005
    Inventors: Laurent Vidal, Aziz Fadli
  • Dyeing composition for dyeing keratinous fibers comprising at least one cationic azo-dye
    Patent number: 6884267
    Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo-dye of formula (I): W1—N?N—W2—W3, as well as the dyeing method using said composition and the novel compounds of formula (I).
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: April 26, 2005
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Novel couplers of 2,3,5-triaminopyridine and use of the same for dyeing keratin fibers
    Publication number: 20050081313
    Abstract: The present invention relates to a dye composition comprising at least one oxidation base and at least one coupler of the 2,3,5-triaminopyridine type. This composition may be useful for dyeing keratin fibers, such as the hair. Also disclosed are a process for dyeing keratin fibers and a multi-compartment dyeing kit using the claimed dye composition. Such a composition can make it possible to obtain strong, uniform dyeing results between the end and the root, which are resistant to external agents, while at the same time being capable of giving varied shades, for example, in fundamental shades such as chestnut, grey or black shades.
    Type: Application
    Filed: March 12, 2004
    Publication date: April 21, 2005
    Inventors: Aziz Fadli, Laurent Vidal