Patents by Inventor Hans-Juergen Braun

Hans-Juergen 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).

  • Patent number: 6503282
    Abstract: Composition for coloring keratin fibers based on a developer-coupler combination characterized in that it contains as the coupler 3-(2,4-diaminophenoxy)-1-propanol and as the developer a p-phenylenediamine derivative monosubstituted on the benzene ring and having general formula (I)  and/or a 4,5-diamino-1H-pyrazole derivative of general formula (II)  and/or a p-aminophenol derivative of general formula (III)  as well as a method for the oxidative coloring of hair, and the use of said composition.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: January 7, 2003
    Assignee: Wella Aktiengesellschaft
    Inventor: Hans-Juergen Braun
  • Patent number: 6500213
    Abstract: The object of the present patent application are agents for the oxidative coloring of keratin fibers, particularly hair, based on a developer-coupler combination, characterized in that they contain as the developer at least one 2,5-diamino-1-phenylbenzene derivative of general formula and novel 2,5-diamino-1-phenylbenzene derivatives of formula (I) wherein at least one of the R1 to R10 radicals is different from hydrogen.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: December 31, 2002
    Assignee: Wella Aktiengesellschaft
    Inventors: Hans-Juergen Braun, Laurent Chassot
  • Publication number: 20020189032
    Abstract: The object of the present invention is the use of 4-nitro-2,1,3-benzoxadiazole derivatives of general formula (I) as dye in colorants for keratin fibers such as, for example, wool, silk, furs or hair and particularly human hair 1
    Type: Application
    Filed: March 26, 2002
    Publication date: December 19, 2002
    Inventors: Cecile Pasquier, Veronique Charriere, Hans-Juergen Braun
  • Publication number: 20020189033
    Abstract: The oxidation hair dye precursor composition contains from 0.005 to 20.0 percent by weight of one or more coupler compounds and from 0.005 to 20.0 percent by weight of one or more developer compounds.
    Type: Application
    Filed: April 17, 2002
    Publication date: December 19, 2002
    Inventors: Laurent Chassot, Hans-Juergen Braun
  • Publication number: 20020172651
    Abstract: The object of the present invention is a preparation for coloring fibers, which is prepared before use by mixing an acidic component (A1), containing at least one enamine of Formula (I)/(Ia) with a component (A2), containing a Schiff's base of Formula (II) 1
    Type: Application
    Filed: December 21, 2001
    Publication date: November 21, 2002
    Inventors: Guido Sauter, Hans-Juergen Braun, Nadia Reichlin
  • Publication number: 20020166181
    Abstract: Dyes, containing N-benzyl-p-phenylenediamine derivatives of the general formula (I) or their physiologically compatible salts, 1
    Type: Application
    Filed: January 1, 2002
    Publication date: November 14, 2002
    Inventors: Laurent Chassot, Hans-Juergen Braun
  • Publication number: 20020166180
    Abstract: The invention relates to an oxidative coloring agent for keratin fibers, in particular hair based on a developing agent-coupling agent combination, which contains as a developing agent at least one 2-hydroxy-5-amino-biphenyl derivative of general formula (I) in addition to novel 2-hydroxy-5-amino-biphenyl derivatives.
    Type: Application
    Filed: January 30, 2002
    Publication date: November 14, 2002
    Inventors: Laurent Chassott, Hans-Juergen Braun
  • Patent number: 6436152
    Abstract: The oxidation hair dye precursor composition contains from 0.005 to 20.0 percent by weight of one or more coupler compounds and from 0.005 to 20.0 percent by weight of one or more developer compounds. The one or more developer compounds include at least one substituted 2-aminoalkyl-1,4-diaminobenzene compound of the formula (I): New substituted 2-aminoalkyl-1,4-diaminobenzene compounds of formula (I) are described.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: August 20, 2002
    Assignee: Wella Aktiengesellschaft
    Inventors: Laurent Chassot, Hans-Juergen Braun
  • Patent number: 6379400
    Abstract: The dye composition has a pH of 3 to 12 and contains water, alcohols and/or mixtures thereof as a solvent; from 0.01 to 10 percent by weight of at least one dye compound of formula (I), wherein R1 represents hydrogen or a methyl group and Y is an amino group of the formula —NHR2, and R2 is either a cyclopropyl group, a methoxyethyl group or a methoxypropyl group; OR wherein R1 represents hydrogen or a linear or branched alkyl group with 1 to 4 carbon atoms and Y represents a heterocyclic ring of formula (II): wherein X is a nitrogen atom or an oxygen atom and m is 1, 2 or 3 and n is 0 or 1; and from 0.5 to 30 percent by weight of at least one anionic, cationic, amphoteric and nonionic and/or zwitterionic surface-active substances and/or from 0.1 to 25 percent by weight of at least one thickener and/or from 0.1 to 5 percent by weight of at least one care material. A method of dyeing fibers using the composition is also described.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: April 30, 2002
    Assignee: Wella Aktiengesellschaft
    Inventors: Hans-Juergen Braun, Pascal André Semadeni
  • Publication number: 20010054207
    Abstract: The p-aminophenol derivative compounds of formula (1), or their physiologically compatible water-soluble salts: 1
    Type: Application
    Filed: April 27, 2001
    Publication date: December 27, 2001
    Inventors: Laurent Chassot, Hans-Juergen Braun
  • Publication number: 20010009044
    Abstract: The oxidation dye precursor-containing composition for oxidative dyeing of hair, includes from 0.
    Type: Application
    Filed: February 20, 2001
    Publication date: July 26, 2001
    Inventor: Hans-Juergen Braun
  • Patent number: 6224856
    Abstract: The dye precursor-containing composition for hair dyeing contains at least one p-aminophenol derivative compound of the formula (I): in which R1 and R2 each can be H, an alkyl, a hydroxyalkyl, an aminoalkyl, a mono- or dialkylaminoalkyl, an acylaminoalkyl, an aryl- or alkylsulfonylaminoalkyl, a carbamidoalkyl, an acyl, an aryl, an alkylsulfonyl or a carbomoyl group, each alkyl group having from 1 to 4 carbon atoms, or R1 and R2 together are part of a heterocyclic, non-aromatic 5- or 6-membered ring, with or without an oxo group; at least one 5-amino-2-methylphenol derivative compound of the formula (II), in which R is H, a C1- to C4-alkyl, a C2- to C4-hydroxyalkyl group or a C2- to C4- polyhydroxyalkyl group; and at least one m-phenylenediamine derivative compound of the formula (III), in which R1 and R2 each can be H, a C1- to C4-alkyl, a C2- to C4-hydroxyalkyl or a C3- to C4-polyhydroxyalkyl group; R3 stands for H, a C1- to C6-alkyl, a C1- to C4-alkoxy,
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: May 1, 2001
    Assignee: Wella Aktiengesellschaft
    Inventor: Hans-Juergen Braun
  • Patent number: 6132475
    Abstract: New p-diaminobenzene derivative compounds of the formula (I): ##STR1## and physiologically compatible water soluble salts thereof are described, wherein X represents oxygen, sulfur, selenium or N-R9. Compositions for dyeing keratin fibers including a combination of coupler and developer substance are described, in which the developer substance includes at least one of the new p-diaminobenzene derivative compounds.
    Type: Grant
    Filed: February 15, 1999
    Date of Patent: October 17, 2000
    Assignee: Wella Aktiengesellschaft
    Inventors: Laurent Chassot, Hans-Juergen Braun
  • Patent number: 6102974
    Abstract: The hair dye composition contains a combination of oxidation dye precursors consisting of (a) 2-hydroxymethyl-p-phenylenediamine, 2-(2',5'-diaminophenyl)ethanol and/or 2-(2'-hydroxyethoxy)-p-phenylenediamine, (b) 2-(2',4'-diaminophenoxy)-ethanol, 1,3-bis-(2',4'-diaminophenoxy)propane, bis-(2',4'-diamino-phenoxy)-methane, 2-amino-4-((2'-hydroxyethyl)amino)-anisole, 1-(2'-aminoethoxy)-2,4-diaminobenzene, 2-(2'-hydroxyethoxy)-5-(methylamino)aniline, 2,4-diamino-1,5-bis-(2'-hydroxyethoxy)benzene and/or 1-(2',3'-dihydroxypropoxy)-2,4-diaminobenzene; and (c) at least one 2-amino-6-chloro-4-nitrophenol compound having the general formula (1): ##STR1## wherein R represents hydrogen a straight-or branched-chain alkyl group with 1 to 6 carbon atoms, a hydroxyalkyl group with 2 to 4 carbon atoms or a straight or branched-chain polyhydroxyalkyl group with 3 to 4 carbon atoms.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: August 15, 2000
    Assignee: Wella Aktiengesellschaft
    Inventor: Hans-Juergen Braun
  • Patent number: 6042620
    Abstract: New p-diaminobenzene derivative compounds of the formula (I): ##STR1## and physiologically compatible water soluble salts thereof are described, wherein X represents oxygen, sulfur, selenium or N-R9, wherein R9 represents hydrogen, an alkyl group, a hydroxyalkyl group, a phenyl group or an acetyl group; and the remaining R groups each represent variously hydrogen, hydroxy, amino, nitro, nitrile, alkyl, alkoxy, hydroxyalkyl, cyclic or aromatic groups, among others. Compositions for dyeing keratin fibers including a combination of coupler and developer substance are disclosed, in which the developer substance includes at least one of the new p-diaminobenzene derivative compounds.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: March 28, 2000
    Assignee: Wella AG
    Inventors: Hans-Juergen Braun, Laurent Chassot
  • Patent number: 5972044
    Abstract: An aqueous or aqueous-alcoholic composition for dyeing natural or synthetic fibers, especially hair, contains a combination of at least one cyclic oxo-substituted enediol according to formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and independently of each other represent a hydrogen atom or an alkali metal atom, or R.sub.1 and R.sub.2 together represent an alkaline earth metal atom and n=0, 1, 2 or 3; and at least one member selected from the group consisting of malonic acid dinitrile, maleic acid diaminodinitrile, 2,5-diamino-6-nitropyridine, 1,2,3,4-tetrahydro-6-nitroquinoxaline, 7-amino-3,4-dihydro-6-nitro-2H-1,4-benzoxazine and substituted nitrobenzene compounds; as well as water and at least one cosmetic ingredient including solvents other than water, surfactants, thickeners, care materials and adjuvant materials.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 26, 1999
    Assignee: Wella AG
    Inventors: Hans-Juergen Braun, Pascal Andre Semadeni
  • Patent number: 5879411
    Abstract: A non-oxidative dye composition for keratin fibers contains an o-benzoquinone compound of formula (I): ##STR1## wherein R1, R2, R3 and R4 are each, independently of each other, hydrogen, chlorine, an alkyl group with from 1 to 5 carbon atoms, an alkoxy group with from 1 to 5 carbon atoms, an alkylenedioxy group with from 1 to 2 carbon atoms or an amino group --NR.sup.5 R.sup.6, wherein R.sup.5 and R.sup.6 are each, independently of each other, hydrogen, an alkyl group having from 1 to 6 carbon atoms or an aryl group; and at least one amino- or hydroxy-compound of formula (II), X--A--Y, wherein X represents a nitro group, a cyano group or a sulfonate group; Y represents a hydroxy group or an amino group --NR.sup.a R.sup.b, wherein R.sup.a and R.sup.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: March 9, 1999
    Assignee: Wella AG
    Inventors: Hans-Juergen Braun, Gisela Umbricht
  • Patent number: 5876423
    Abstract: An implantable stimulator includes a depletable voltage source for supplying electrical energy. The voltage source has a terminal voltage which varies as a function of depletion of the voltage source. An output stage receives electrical energy from the voltage source and includes an arrangement for generating a stimulation voltage that is increased with respect to the terminal voltage of the voltage source and a stimulation energy storage device for storing the stimulation voltage. A control device receives operational energy from the voltage source and is operatively connected for controlling a stimulation operation of the stimulation energy storage device.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: March 2, 1999
    Assignee: Biotronik Mess- und Therapiegeraete GmbH & Co. Ingenieurbuero Berlin
    Inventor: Hans-Juergen Braun
  • Patent number: 5679332
    Abstract: The hair shaping composition for permanent shaping of hair contains a cysteine ester of the formula (I):HS--CH.sub.2 --CH(NH.sub.2)--COO--CH.sub.2 --CH.sub.2 --R (I)as a keratin-reducing material, wherein R is a hydroxy group, alkoxy groups, a poly(alkoxy) group or a hydroxypoly(alkoxy) group, or one of its acid additional salts. Cysteine ester compounds and their methods of preparation are also described. Preferred embodiments of the hair shaping composition have a pH of from 4.5 to 9.0 and contain from 4 to 30% by weight of the cysteine ester or its acid addition salt and provide a safe and uniform shaping of hair without allergic or sensitizing reactions.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: October 21, 1997
    Assignee: Wella Aktiengesellschaft
    Inventors: Hans-Juergen Braun, Guenther Lang, Gerhard Maresch
  • Patent number: 5637115
    Abstract: The oxidation hair dye composition consists of a combination of 0.01 to 10 percent by weight of one or more developer substances and 0.01 to 5 percent by weight of one or more coupler substances, and 0.01 to 2 percent by weight of one or more azo dye compounds of the formula I, A--N=N--B, wherein A is a p-aminophenyl group or a 3-pyridyl group and B is a 2,6-diamino-3-pyridyl group or a substituted 4-[N,N-bis-(2'-hydroxyethyl)amino]phenyl group of formula IV: ##STR1## wherein R is hydrogen, an alkyl group having from 1 to 6 carbon atoms, fluorine, chlorine, bromine or iodine; andone or more cosmetic additive selected from the group consisting of solvents, surfactants, antioxidants, thickeners, pH-adjusting compounds, hair care materials and additional dye components. The additional dye components can be 6-amino-2-methylphenol, 2-amino-5-methylphenol, triphenylmethane dye compounds and/or aromatic nitro dye compounds.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: June 10, 1997
    Assignee: Wella Aktiengesellschat
    Inventors: Wolfgang R. Balzer, Hans-Juergen Braun