Patents by Inventor Oliver Becherer
Oliver Becherer 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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Publication number: 20160237382Abstract: The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).Type: ApplicationFiled: September 9, 2013Publication date: August 18, 2016Applicant: BASF SEInventors: Robert Hochberg, Oliver Becherer, Bernard Schultz, Goetz Scheffler, Rene Schlatter
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Publication number: 20140007355Abstract: The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).Type: ApplicationFiled: September 9, 2013Publication date: January 9, 2014Applicant: BASF SEInventors: Robert Hochberg, Oliver Becherer, Bernard Schultz, Goetz Scheffler, Rene Schlatter
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Patent number: 8556993Abstract: The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).Type: GrantFiled: June 7, 2006Date of Patent: October 15, 2013Assignee: BASF SEInventors: Robert Hochberg, Oliver Becherer, Bernard Schultz, Goetz Scheffler, René Schlatter
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Patent number: 8337569Abstract: Disclosed are polymeric dyes of formula (1a), (1b), or (1c); wherein the substituents and variables are defined in the claims and specification. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.Type: GrantFiled: July 15, 2010Date of Patent: December 25, 2012Assignee: BASF SEInventors: Christian Cremer, Oliver Becherer, Beate Fröhling
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Publication number: 20120110750Abstract: Disclosed are polymeric dyes of formula (1a), (1b), or (1c); wherein A and B, independently from each other represent a polymer backbone; X1 and X2 independently from each other are a linkage group selected from —S—, —S—S—, —N—, —N?—, —N(R5)—, —S(O)—, —SO2—, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—, —C(O)O—, —OCO—, (formula II) —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —C(S)R1—; which may be interrupted and/or terminated at one or both ends by one or more than one —C1C30alkylene- or —C2-C12alkenylene-; or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (heterocyclic) bivalent radical optionally comprising at least one heteroatom; a saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical comprising at least one heteroatom, which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1-C10alkyl(C5-C10arylene), hydroxy or halogen; R1 and R2 independently from each other are hydrogen; unsubstType: ApplicationFiled: July 15, 2010Publication date: May 10, 2012Applicant: BASF SEInventors: Christian Cremer, Oliver Becherer, Beate Fröhling
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Patent number: 8080510Abstract: A detergent composition comprising i) 1-70% of an anionic or nonionic surfactant, ii) 1-75% of a builder, iii) 0.001-5% of at least one compound of Formula (1) wherein R represents a C1-C4alkyl residue and M represents hydrogen or an alkali metal cation, optionally with further FWA's, iv) 0-30% of a peroxide, v) 0-10% of a peroxide activator, vi) 0-5% of a bleaching catalyst and vii) 0-5% of an enzyme, each component by weight, based on the total weight of the detergent composition, use thereof for domestic washing of textile fibre materials and a process for the fluorescent whitening of textile materials.Type: GrantFiled: May 14, 2007Date of Patent: December 20, 2011Assignee: BASF SEInventors: Oliver Becherer, Robert Hochberg, Gerhard Merkle, Bernard Schultz, Purushottam Jugalkishor Chandak
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Patent number: 7863236Abstract: The present invention provides a detergent composition D comprising at least one compound of formula (1) together with at least one compound of formula (2) wherein all substituents have the meanings as defined in the claims; as well as a process using such detergent composition and mixtures comprising fluorescent whitening agents.Type: GrantFiled: March 15, 2004Date of Patent: January 4, 2011Assignee: Ciba Specialty Chemicals Corp.Inventors: Jürgen Kaschig, Robert Hochberg, Oliver Becherer, Gerhard Merkle, Monika Schaumann, Bernard Schultz
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Publication number: 20100276636Abstract: Process for the preparation of a brightener pigment comprising (a) a water-insoluble urea-formaldehyde resin having a water content of more than or equal to 50% by weight, and (b) a water-soluble fluorescent whitening agent, which process comprises adding together (a), (b) and an inorganic salt, the amount of the inorganic salt being sufficient to effect deposition of the water-soluble fluorescent whitening agent (b) on the water-insoluble urea-formaldehyde resin (a).Type: ApplicationFiled: July 16, 2010Publication date: November 4, 2010Inventors: Robert Hochberg, Oliver Becherer, Gerhard Merkle
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Publication number: 20090293210Abstract: The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).Type: ApplicationFiled: June 7, 2006Publication date: December 3, 2009Inventors: Robert Hochberg, Oliver Becherer, Bernard Schultz, Goetz Scheffler, René Schlatter
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Publication number: 20090106916Abstract: A detergent composition comprising i) 1-70% of an anionic or nonionic surfactant, ii) 1-75% of a builder, iii) 0.001-5% of at least one compound of Formula (1) wherein R represents a C1-C4alkyl residue and M represents hydrogen or an alkali metal cation, optionally with further FWA's, iv) 0-30% of a peroxide, v) 0-10% of a peroxide activator, vi) 0-5% of a bleaching catalyst and vii) 0-5% of an enzyme, each component by weight, based on the total weight of the detergent composition, use thereof for domestic washing of textile fibre materials and a process for the fluorescent whitening of textile materials.Type: ApplicationFiled: May 14, 2007Publication date: April 30, 2009Inventors: Oliver Becherer, Robert Hochberg, Gerhard Merkle, Bernard Schultz, Purushottam Jugalkishor Chandak
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Publication number: 20080191169Abstract: The invention relates to a composition for optical brightening of substrates suitable for ink jet printing, comprising a) a fluorescent whitening agent of the formula (1): wherein X1, X2, X3 and X4 each, independent of the other, represent —NR1 R2 or —OR3, wherein R, and R2 are, independently of each other, hydrogen, cyano, a C,-C4alkyl group, which is unsubstituted or substituted by one or two of the following residues selected from the group consisting of C,-C4alkoxy, hydroxy, carboxyl or a salt thereof (—CO2M), cyano, carbonamido, thiol, guanidine, substituted or unsubstituted phenyl, unsubstituted or C.Type: ApplicationFiled: April 25, 2005Publication date: August 14, 2008Applicant: CIBA SPECIALTY CHEMICALS HOLDING INC.Inventors: Peter Rohringer, Robert Hochberg, Oliver Becherer, Stéphane Biry
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Publication number: 20070208113Abstract: Process for the preparation of a brightener pigment comprising (a) a water-insoluble urea-formaldehyde resin having a water content of more than or equal to 50% by weight, and (b) a water-soluble fluorescent whitening agent, which process comprises adding together (a), (b) and an inorganic salt, the amount of the inorganic salt being sufficient to effect deposition of the water-soluble fluororescent whitening agent (b) on the water-insoluble urea-formaldehyde resin (a).Type: ApplicationFiled: March 2, 2005Publication date: September 6, 2007Inventors: Robert Hochberg, Oliver Becherer, Gerhard Merkle
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Publication number: 20060185805Abstract: Composition for the fluorescent whitening of paper, which comprises a) a fluorescent whitening agent (FWA) derived from 4,4?-bis[(1,3,5-triazin-2-yl)amino]stilbene-2,2?-disulphonic acid and characterized by one or both of the triazine rings carrying an —NH2 substituent; b) water and c) optionally, further auxiliaries, the use thereof in either the pulp mass, in coating or in the metering size-press or film press and to a process thereto.Type: ApplicationFiled: July 28, 2004Publication date: August 24, 2006Inventors: Peter Rohringer, Robert Hochberg, Oliver Becherer, Hans Kramer, Goetz Scheffler
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Publication number: 20060166850Abstract: The present invention provides a detergent composition D comprising at least one compound of formula (1) together with at least one compound of formula (2) wherein all substituents have the meanings as defined in the claims; as well as a process using such detergent composition and mixtures comprising fluorescent whitening agents.Type: ApplicationFiled: March 15, 2004Publication date: July 27, 2006Inventors: Jurgen Kaschig, Robert Hochberg, Oliver Becherer, Gerhard Merkle, Monika Schaumann, Bernard Schultz
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Publication number: 20060135398Abstract: This invention relates to a novel polymorph crystal form of the compound of formula (I), a process for its preparation and the use thereof.Type: ApplicationFiled: February 2, 2004Publication date: June 22, 2006Inventors: Jurgen Kaschig, Josef Zelger, Serge Schroeder, Robert Hochberg, Oliver Becherer, Dieter Meier
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Patent number: 5929270Abstract: A process is provided for the production of compounds having the formula: ##STR1## in which R is hydrogen, C.sub.1 -C.sub.5 alkyl, cyano or halogen; M is hydrogen or a salt-forming colorless cation; and n is 2;which process comprises reductively de-aminating a compound having the formula: ##STR2## in which R and n have their previous significance and M' is hydrogen, a salt-forming colorless cation or optionally substituted phenyl; and converting any optionally substituted phenyl group M' to a group M.The present invention also provides processes for the production of the compounds of formula (2) and various novel intermediates for use in the new processes.The compounds of formula (1) are useful as fluorescent whitening agents.Type: GrantFiled: May 19, 1998Date of Patent: July 27, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Dietmar Huglin, Robert Hochberg, Oliver Becherer, Reinhard Weigmann