Patents by Inventor Hauke Rohwer
Hauke Rohwer 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).
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Patent number: 9657435Abstract: The present invention relates to the use of a composition comprising specific a-amino-ketones, H2O2, a H2O2 precursor or a peracid and optionally an activator as a bleaching mixture for textile materials or dishes either manually or in an automatic washing machine or dish washer. Further aspects of the invention are the composition comprising specific a-aminoketones and H2O2, a H2O2 precursor or a peracid and a process for bleaching of stains or of soiling on textile materials or dishes in the context of a washing process either manually or in an automatic washing machine or dish washer. Also aspects of the invention are detergent formulations comprising such a composition and novel compounds.Type: GrantFiled: June 21, 2011Date of Patent: May 23, 2017Assignee: BASF SEInventors: Markus Frey, Hauke Rohwer, Frederique Wendeborn, Menno Hazenkamp
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Patent number: 9533296Abstract: The present invention relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group. Further aspects of the invention are compositions or formulations comprising such compounds.Type: GrantFiled: January 25, 2016Date of Patent: January 3, 2017Assignees: BASF SE, Henkel AG & Co. KGaAInventors: Hauke Rohwer, Barbara Winkler, Frédérique Wendeborn, Katharina Misteli
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Publication number: 20160136627Abstract: The present invention relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group. Further aspects of the invention are compositions or formulations comprising such compounds.Type: ApplicationFiled: January 25, 2016Publication date: May 19, 2016Applicants: BASF SE, Henkel AG & Co. KGaAInventors: Hauke Rohwer, Barbara Winkler, Frédérique Wendeborn, Katharina Misteli
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Patent number: 9296713Abstract: The present disclosure relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group.Type: GrantFiled: April 27, 2015Date of Patent: March 29, 2016Assignees: BASF SE, Henkel AG & Co. KGaAInventors: Hauke Rohwer, Barbara Winkler, Frédérique Wendeborn, Katharina Misteli
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Publication number: 20150225357Abstract: The present disclosure relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group.Type: ApplicationFiled: April 27, 2015Publication date: August 13, 2015Applicants: HENKEL AG & CO. KGAA, BASF SEInventors: Hauke Rohwer, Barbara Wagner, Frédérique Wendeborn, Katharina Misteli
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Patent number: 9051285Abstract: The present invention relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group. Further aspects of the invention are compositions or formulations comprising such compounds.Type: GrantFiled: December 8, 2011Date of Patent: June 9, 2015Assignees: BASF SE, HENKEL AG & CO. KGAAInventors: Hauke Rohwer, Barbara Wagner, Frederique Wendeborn, Katherina Misteli
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Patent number: 8791298Abstract: The present invention relates to the use of selected metal complex compounds and ligands as oxidation catalysts as well as to a process for removing stains and soil on textiles and hard surfaces. The metal complex compounds have hydrazide ligands, preferably with electron withdrawing groups in the phenyl ring adjacent to the acyl group. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands.Type: GrantFiled: June 18, 2013Date of Patent: July 29, 2014Assignee: BASF SEInventors: Barbara Winkler, Hauke Rohwer, Marie-Josee Dubs, Menno Hazenkamp, Kai Eichin, Albert Schneider
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Publication number: 20130281353Abstract: The present invention relates to the use of selected metal complex compounds and ligands as oxidation catalysts as well as to a process for removing stains and soil on textiles and hard surfaces. The metal complex compounds have hydrazide ligands, preferably with electron withdrawing groups in the phenyl ring adjacent to the acyl group. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands.Type: ApplicationFiled: June 18, 2013Publication date: October 24, 2013Inventors: Barbara Winkler, Hauke Rohwer, Marie-Josee Dubs, Menno Hazenkamp, Kai Eichin, Albert Schneider
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Publication number: 20130261041Abstract: The present invention relates to specific acylhydrazone compounds, their use as oxidation catalysts and to a process for removing stains and soil on textiles and hard surfaces. The compounds are substituted with a specific cyclic ammonium group adjacent to the acyl group. Further aspects of the invention are compositions or formulations comprising such compounds.Type: ApplicationFiled: December 8, 2011Publication date: October 3, 2013Applicants: HENKEL AG & CO. KGAA, BASF SEInventors: Hauke Rohwer, Barbara Wagner, Frederique Wendeborn, Katherina Misteli
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Patent number: 8492324Abstract: The present invention relates to the use of selected metal complex compounds and ligands as oxidation catalysts as well as to a process for removing stains and soil on textiles and hard surfaces. The metal complex compounds have hydrazide ligands, preferably with electron withdrawing groups in the phenyl ring adjacent to the acyl group. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands.Type: GrantFiled: March 30, 2009Date of Patent: July 23, 2013Assignee: BASF SEInventors: Barbara Wagner, Hauke Rohwer, Marie-Josée Dubs, Menno Hazenkamp, Kai Eichin, Albert Schneider
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Publication number: 20130117941Abstract: The present invention relates to the use of a composition comprising specific a-amino-ketones, H2O2, a H2O2 precursor or a peracid and optionally an activator as a bleaching mixture for textile materials or dishes either manually or in an automatic washing machine or dish washer. Further aspects of the invention are the composition comprising specific a-aminoketones and H2O2, a H2O2 precursor or a peracid and a process for bleaching of stains or of soiling on textile materials or dishes in the context of a washing process either manually or in an automatic washing machine or dish washer. Also aspects of the invention are detergent formulations comprising such a composition and novel compounds.Type: ApplicationFiled: June 21, 2011Publication date: May 16, 2013Applicant: BASF SEInventors: Markus Frey, Hauke Rohwer, Frédérique Wendeborn, Menno Hazenkamp
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Patent number: 7928049Abstract: The present invention relates to the use of metal complex compounds having hydrazide ligands as oxidation catalysts. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands. The metal complex compounds are used especially for enhancing the action of peroxides, for example in the treatment of textile material, without at the same time causing any appreciable damage to fibers and dyeings. There is also no appreciable damage to fibers and dyeings if these metal complexes are used in combination with an enzyme or a mixture of enzymes.Type: GrantFiled: July 14, 2008Date of Patent: April 19, 2011Assignee: BASF SE LudwigshafenInventors: Barbara Wagner, Hauke Rohwer, Marie-Josée Dubs, Nicole End, Menno Hazenkamp, Sophie Marquais-Bienewald
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Publication number: 20110071066Abstract: The present invention relates to the use of selected metal complex compounds and ligands as oxidation catalysts as well as to a process for removing stains and soil on textiles and hard surfaces. The metal complex compounds have hydrazide ligands preferably with electron withdrawing groups in the phenyl ring adjacent to the acyl group. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands.Type: ApplicationFiled: March 30, 2009Publication date: March 24, 2011Applicant: BASF SEInventors: Barbara Wagner, Hauke Rohwer, Marie-Josee Dubs, Menno Hazenkamp, Kai Eichin, Albert Schneider
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Publication number: 20110021407Abstract: The present invention relates to the use of metal complex compounds having hydrazide ligands as oxidation catalysts. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands. The metal complex compounds are used especially for enhancing the action of peroxides, for example in the treatment of textile material, without at the same time causing any appreciable damage to fibres and dyeings. There is also no appreciable damage to fibres and dyeings if these metal complexes are used in combination with an enzyme or a mixture of enzymes.Type: ApplicationFiled: July 14, 2008Publication date: January 27, 2011Applicant: CIBA CORPORATIONInventors: Barbara Wagner, Hauke Rohwer, Marie-Josee Dubs, Nicole End, Menno Hazenkamp, Sophie Marquais-Bienewald
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Patent number: 7659354Abstract: The present invention is directed to polymeric compounds comprising a main backbone derived from at least the following monomeric components: (I) 20 to 99.9% by weight, preferably 50% to 99% by weight, of at least one cationic monomer according to formula (I), and (II) 0.1 to 80% by weight of a hydrophobic unsaturated nonionic monomer that polymerizes in the presence of an initiator, optionally a water-soluble monomer (III) different from either monomer (I) and monomer (II), and optionally a crosslinking agent (IV). Said compounds are particularly useful to overcome the problem of dye bleeding and/or dye transfer in laundry processes.Type: GrantFiled: December 15, 2003Date of Patent: February 9, 2010Assignee: Ciba Specialty Chemiclas CorporationInventors: Zhiqiang Song, Jianwen Mao, Hauke Rohwer, Ullrich Menge
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Patent number: 7425222Abstract: A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; R1 and R1? independently of each other are hydrogen, hydroxy, optionally substituted alkyl, 4-morpholinyl, —NH—R3, —N(R3)2 or —O—R3, wherein R3is optionally substituted alkyl or optionally substituted aryl, R2 is a group of formula (2) wherein X is —O— or —NH— and R4 is C1-C4-alkyl which carries at least one hydrophilic substituent and R2? has the meaning of R1 or R2.Type: GrantFiled: February 11, 2002Date of Patent: September 16, 2008Assignee: Ciba Specialty Chemicals Corp.Inventors: Georges Metzger, Jean-Jacques Donzé, Hans Kramer, Serge Hauger, Volker Papendick, Michael Milde, Ted Deisenroth, Rainer Hans Traber, Ullrich Menge, Hauke Rohwer
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Publication number: 20070225184Abstract: The present invention relates to compositions comprising specific amphoteric fluorescent whitening agents (FWA) and dyefixing, dye transfer inhibition and/or fabric softening agents, formulations for the treatment of textiles comprising such compositions, and the use of such compositions and/or formulations.Type: ApplicationFiled: April 11, 2005Publication date: September 27, 2007Applicant: CIBA SPECIALITY CHEMICALS HOLDING INC.Inventors: Hauke Rohwer, Goetz Scheffler, Robert Hochberg, Ullrich Menge
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Publication number: 20070151040Abstract: The present invention relates to a method for reducing dye loss or dye transfer from textile fibre materials or leather in the domestic sector, which comprises treating the textile fibre materials or the leather with a dye-fixing agent based on basic polycondensation products of an amine of formula and a cyanamide, which polycondensation products are completely or partially neutralised with an inorganic or organic acid, R1, R2, R3 and R4 each independently of the others being hydrogen or alkyl that is unsubstituted or substituted by amino, hydroxy, cyano or by C1-C4alkoxy and A being alkylene optionally substituted or interrupted by one or more hetero atoms. The present invention relates also to new formulations comprising the dye-fixing agent and to new dye-fixing agents.Type: ApplicationFiled: February 21, 2007Publication date: July 5, 2007Inventors: Hauke Rohwer, Mario Dubini, Petr Kvita, Rolf Kuratli
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Patent number: 7166564Abstract: The invention relates to novel bis(triazinylamino)stilbenes which are suitable as UV absorbers and fluorescent whiteners for textile materials and also bring about an increase in the treated textile material.Type: GrantFiled: August 11, 2004Date of Patent: January 23, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Goetz Scheffler, Hauke Rohwer, René Schlatter, Robert Hochberg
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Patent number: 7105479Abstract: Disclosed is a fabric rinse composition comprising a) 0.Type: GrantFiled: March 19, 2002Date of Patent: September 12, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Thomas Ehlis, Robert Hochberg, Hauke Rohwer