Patents by Inventor Hans-Jurgen Braun

Hans-Jurgen Braun 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).

  • Dark coloured azo dyes
    Patent number: 8152861
    Abstract: The present invention relates to a) a non-oxidative coloring agent for keratin fibers, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative coloring agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: April 10, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Markus Speckbacher, Jessica Chassot, Hans-Jürgen Braun
  • Dark Coloured Azo Dyes
    Publication number: 20110225742
    Abstract: The present invention relates to a) a non-oxidative colouring agent for keratin fibres, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative colouring agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
    Type: Application
    Filed: June 3, 2011
    Publication date: September 22, 2011
    Inventors: Markus SPECKBACHER, Jessica Chassot, Hans-Jürgen Braun
  • Dark coloured azo dyes
    Patent number: 7977482
    Abstract: The present invention relates to a) a non-oxidative coloring agent for keratin fibers, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative coloring agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibers, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: July 12, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Markus Speckbacher, Jessica Chassot, Hans-Jürgen Braun
  • Agents for coloring keratin fibers
    Patent number: 7658770
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: February 9, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jürgen Braun
  • Coloring agents for keratin fibers
    Patent number: 7658771
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: February 9, 2010
    Assignee: The Procter & Gable Company
    Inventors: Cécile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jürgen Braun
  • Agents for Coloring Keratin Fibers
    Publication number: 20090165221
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Application
    Filed: February 26, 2009
    Publication date: July 2, 2009
    Inventors: Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jurgen Braun
  • Coloring Agents for Keratin Fibers
    Publication number: 20090158532
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Application
    Filed: February 26, 2009
    Publication date: June 25, 2009
    Inventors: Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jurgen Braun
  • Dark coloured azo dyes
    Publication number: 20090118510
    Abstract: The present invention relates to a) a non-oxidative colouring agent for keratin fibres, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative colouring agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
    Type: Application
    Filed: October 19, 2007
    Publication date: May 7, 2009
    Inventors: Marcus Speckbacher, Jessica Chassot, Hans-Jurgen Braun
  • Agents for coloring keratin fibers
    Patent number: 7513916
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: April 7, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jürgen Braun
  • Agents for coloring keratin fibers comprising zwitterionic azomethine dyes
    Patent number: 7513918
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azomethine dye of the general formula (I), (II), or (III) in which z is a heterocycle of the formula in which R8 is an alkyl sulfonate radical of the formula (XIII);
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: April 7, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Veronique Buclin, Anita Roulin, Hans-Jürgen Braun
  • Coloring agents for keratin fibers
    Patent number: 7513917
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: April 7, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jürgen Braun
  • Oxidizing hair coloring agents containing m-aminophenol derivatives
    Patent number: 7491244
    Abstract: The object of the present patent application are agents for the oxidative coloring of keratin fibers, particularly hair, based on a developer substance-coupler substance combination, characterized in that they contain at least one meta-aminophenol derivative of general formula (I) wherein R1 denotes hydrogen, a C1-C6 alkyl group, a C2-C4 hydroxyalkyl group, a C2-C4 dihydroxyalkyl group, a C1-C4 alkoxy group or a halogen atom; and R2 denotes hydrogen, a hydroxy group, a carboxylic group, an aminocarbonyl group or a hydroxymethyl group.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: February 17, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Laurent Chassot, Hans-Jürgen Braun
  • Colorants containing cationic indazoline thiazolazo dye
    Patent number: 7473281
    Abstract: Colorant for keratin fibers containing cationic indazoline thiazolazo dyes of the general formula (I).
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: January 6, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Markus Speckbacher, Hans-Jürgen Braun
  • Process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles
    Patent number: 7405325
    Abstract: A process for the preparation of 4-hydroxyalkylamino-2-nitro-anisoles of the general formula (I) wherein m is 2 or 3; by reaction of a 4-halogeno-3-nitro-aniline of formula (II) with a chloroalkyl-chloroformate of formula (III), alkaline ring closure of the resulting carbamate and nucleophilic replacement of the halogeno atom by a methoxy group to form a derivative of formula (IV), and finally ring opening of the resulting cyclic carbamate by treatment with methanolic alkali metal hydroxide, followed by neutralization with inorganic or organic acids, wherein the complete reaction is executed in a non-aqueous medium; as well as process for the preparation of 2-amino-4-hydroxyalkylamino-anisoles of formula (V)
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: July 29, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Otto Göttel, Emmanuel Morand, Hans-Jürgen Braun
  • Agents for coloring keratin fibers
    Patent number: 7393366
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azo dye of the general formula (I) where R1 is an alkylsulfonate radical of the formula (II),
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: July 1, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Eric Tinguely, Otto Göttel, Hans-Jürgen Braun
  • Cationic azo azine dyes and colorants that contain these compounds
    Patent number: 7381806
    Abstract: The objects of the present invention are novel cationic azo azine dyes of the generic formula (I), as well as colorants for keratin fibers that contain these compounds.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: June 3, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Markus Speckbacher, Hans-Jürgen Braun
  • Colorants containing cationic indazoline thiazolazo dye
    Publication number: 20080034510
    Abstract: Colorant for Keratin Fibers Containing Cationic Indazoline Thiazolazo Dyes of the General formula (I).
    Type: Application
    Filed: March 27, 2007
    Publication date: February 14, 2008
    Applicant: The Procter & Gamble Company
    Inventors: Markus Speckbacher, Hans-Jurgen Braun
  • Agents for coloring keratin fibers comprising zwitterionic azomethine dyes
    Publication number: 20070245501
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azomethine dye of the general formula (I), (II), or (III) in which z is a heterocycle of the formula in which R8 is an alkyl sulfonate radical of the formula (XIII);
    Type: Application
    Filed: April 19, 2007
    Publication date: October 25, 2007
    Inventors: Cecile Pasquier, Veronique Buclin, Anita Roulin, Hans-Jurgen Braun
  • New process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles
    Publication number: 20070249868
    Abstract: A process for the preparation of 4-hydroxyalkylamino-2-nitro-anisoles of the general formula (I) wherein m is 2 or 3; by reaction of a 4-halogeno-3-nitro-aniline of formula (II) with a chloroalkyl-chloroformate of formula (III), alkaline ring closure of the resulting carbamate and nucleophilic replacement of the halogeno atom by a methoxy group to form a derivative of formula (IV), and finally ring opening of the resulting cyclic carbamate by treatment with methanolic alkali metal hydroxide, followed by neutralization with inorganic or organic acids, wherein the complete reaction is executed in a non-aqueous medium; as well as process for the preparation of 2-amino-4-hydroxyalkylamino-anisoles of formula (V).
    Type: Application
    Filed: April 19, 2007
    Publication date: October 25, 2007
    Inventors: Otto Gottel, Emmanuel Morand, Hans-Jurgen Braun
  • Coloring agents for keratin fibers
    Publication number: 20070199161
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Application
    Filed: February 16, 2007
    Publication date: August 30, 2007
    Inventors: Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jurgen Braun