Patents by Inventor Michèle Gerster
Michèle Gerster 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: 20240174839Abstract: The present invention relates to a stabilizer mixture comprising at least one compound selected from compound of formula (A) and compound of formula (B), and at least one antioxidant compound, wherein the weight ratio of at least one compound of formula (A) and/or the compound of formula (B) to at least one antioxidant is in the range of 1:2 to 1:20. Further, the present invention relates to a composition comprising an organic material and a stabilizer mixture. Furthermore, the present invention relates to the use of the stabilizer mixture for stabilizing an organic material exposed to light.Type: ApplicationFiled: March 31, 2022Publication date: May 30, 2024Inventors: Tania WEYLAND, Heinz HERBST, Michèle GERSTER
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Publication number: 20240084104Abstract: The presently claimed invention relates to additive mixture comprising a compound of formula (1) and a compound of formula (2). The presently claimed invention further relates to a composition comprising an organic material which is susceptible to oxidative, thermal or light-induced degradation and the additive mixtures. The presently claimed invention also relates to a method for stabilization of organic materials by incorporating therein or applying thereto the additive mixtures. Further, the presently claimed invention relates to the use of the additive mixtures as light stabilizer for organic materials.Type: ApplicationFiled: December 8, 2021Publication date: March 14, 2024Inventors: Gregor HUBER, Heinz HERBST, Feng ZUO, Tania WEYLAND, Michele GERSTER
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Publication number: 20240052141Abstract: The presently claimed invention relates to an organic material based shaped article comprising a compound of formula (1), and at least one anti-scratch agent. Further, the organic material based shaped article is an automotive interior or exterior material.Type: ApplicationFiled: December 9, 2021Publication date: February 15, 2024Inventors: Gregor HUBER, Heinz HERBST, Feng ZUO, Tania WEYLAND, Michele GERSTER
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Polymer compositions of improved scratch resistance, improved mechanical stability and improved haze
Patent number: 11401399Abstract: The present invention provides a composition comprising (i) a polymer, (ii) an organic compound A carrying at least two amide functionalities, and (iii) 12 to 1'000 parts per million (ppm) of a compound B selected from the group consisting of an organic compound C carrying at least two amide functionalities, sugar alcohol acetals and derivatives thereof, metal salts of organic acids and precursor-systems thereof, metal salts of organic phosphoric acids and precursor-systems thereof and metal salts of polyols and precursor-systems thereof, and mixtures thereof, based on the weight of the polymer, as well as shaped articles obtainable from this composition.Type: GrantFiled: September 7, 2010Date of Patent: August 2, 2022Assignee: BASF SEInventors: Per Magnus Kristiansen, Daniel Müller, Michèle Gerster -
Patent number: 9475743Abstract: Described is a novel process for the preparation of substituted tris(2-hydroxyphenyl)methane derivatives and the use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production.Type: GrantFiled: February 28, 2014Date of Patent: October 25, 2016Assignee: Wintershall Holding GmbHInventors: Fabien Jean Brand, Peter Hänggi, Michèle Gerster, Markus Hansch
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Publication number: 20160016871Abstract: Described is a novel process for the preparation of substituted tris(2-hydroxyphenyl)methane derivatives and the use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production.Type: ApplicationFiled: February 28, 2014Publication date: January 21, 2016Applicant: WINTERSHALL HOLDING GMBHInventors: Fabien Jean Brand, Peter Hänggi, Michèle Gerster, Markus Hansch
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Publication number: 20150337114Abstract: A composition containing (I) a natural or synthetic organic polymer having a melt flow index of 15 to 1000 g/10 min at 230° C. and 2.16 kg and (II) an additive mixture containing components (A1) and (A2), wherein (A1) is at least one organic cyclic phosphoric acid ester of the formula (I) wherein R0 is a direct bond, —S—, C3-C12cycloalkylidene or a group —C(X1)(X2)— with X1 and X2 independently of one another being hydrogen, C1-C18alkyl or C3-C12cycloalkyl; and the radicals R1 are identical and are C1-C18alkyl or C3-C12cycloalkyl unsubstituted or substituted by one, two or three C1-C4alkyl; and (A2) is at least one alkali or alkaline earth metal salt of a saturated or unsaturated aliphatic mono or dicarboxylic acid unsubstituted or substituted by —OH; with the proviso that the composition is essentially free of an inorganic or organic pigment.Type: ApplicationFiled: July 31, 2015Publication date: November 26, 2015Applicant: BASF SEInventors: Michele GERSTER, Raphael Dabbous
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Patent number: 9051448Abstract: The invention describes a process for stabilizing an organic material against oxidative, thermal or light-induced degradation, which comprises incorporating therein or applying thereto at least a compound of the formula (I) wherein the general symbols are as defined in claim 1. The compounds of the formula I are especially useful as processing stabilizers for synthetic polymers.Type: GrantFiled: August 22, 2005Date of Patent: June 9, 2015Assignee: BASF SEInventors: Michèle Gerster, Dietmar Mäder, Bruno Rotzinger
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Patent number: 8980134Abstract: Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation and/or are able to reduce the surface energy of organic materials comprise at least one compound of the formula (I) wherein the general symbols are as defined in claim 1.Type: GrantFiled: March 31, 2009Date of Patent: March 17, 2015Assignee: BASF SEInventors: Michèle Gerster, Manuel Mihalic
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Publication number: 20140045980Abstract: A composition containing (I) a natural or synthetic organic polymer having a melt flow index of 15 to 1000 g/10 min at 230° C. and 2.16 kg and (II) an additive mixture containing components (A1) and (A2), wherein (A1) is at least one organic cyclic phosphoric acid ester of the formula (I) (I) wherein Ro is a direct bond, —S—, C3-C12cycloalkylidene or a group —C(Xi)(X2)— with X1 and X2 independently of one another being hydrogen, C1-C18salkyl or C3-C12cycloalkyl; and the radicals R1 are identical and are C1-C4alkyl or C3-C12cycloalkyl unsubstituted or substituted by one, two or three C1-C4alkyl; and (A2) is at least one alkali or alkaline earth metal salt of a saturated or unsaturated aliphatic mono or dicarboxylic acid unsubstituted or substituted by —OH; with the proviso that the composition is essentially free of an inorganic or organic pigment.Type: ApplicationFiled: April 23, 2012Publication date: February 13, 2014Applicant: BASF SEInventors: Michele Gerster, Raphael Dabbous
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Patent number: 8637694Abstract: The invention relates to cationic siloxane derivatives for use especially as fungicides and/or antiadhesives. The cationic siloxane derivatives have the formula (I), wherein R1, R2, R3, R4, R4?, R5 and n are as defined in the description.Type: GrantFiled: February 19, 2007Date of Patent: January 28, 2014Assignee: BASF SEInventors: Werner Hölzl, Andrea Preuss, Michèle Gerster
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Publication number: 20140005310Abstract: An additive mixture containing (A) a binary system consisting of components (A1) and (A2), wherein (A1) is at least one organic cyclic phosphoric acid ester of the formula (I) wherein R0 is a direct bond, —S—, C3-C12cycloalkylidene or a group —C(X1)(X2)— with X1 and X2 independently of one another being hydrogen, C1-C18alkyl or C3-C12cycloalkyl; and the radicals R1 are identical and are C1-C18alkyl or C3-C12cycloalkyl unsubstituted or substituted by one, two or three C1-C4alkyl; and (A2) is at least one alkali or alkaline earth metal salt of a saturated or unsaturated aliphatic mono or dicarboxylic acid unsubstituted or substituted by —OH; and (B) a divalent metal alcoholate wherein the metal is Zn, Ca or Mg.Type: ApplicationFiled: March 19, 2012Publication date: January 2, 2014Applicant: BASF SEInventors: Michele Gerster, Raphael Dabbous
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Patent number: 8569405Abstract: The invention describes a process for reducing the amount of saturated or unsaturated monomers and oligomers during production and processing of styrenic polymers comprising a mixture of at least two components selected from the group consisting of a) phenol thioethers, b) phenol acrylates, c) 3-arylbenzofuran-2-ones and d) 1,1-di-substituted ethylenes or tri-substituted ethylenes.Type: GrantFiled: January 19, 2009Date of Patent: October 29, 2013Assignee: BASF SEInventors: Alex Wegmann, Sunghee Kim, Michèle Gerster
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Patent number: 8518302Abstract: Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizers at least one compound of the formula I wherein the general symbols are as defined in claim 1. The compounds of formula I are especially useful as stabilizers for protecting polymers and lubricants against oxidative, thermal or light-induced degradation and as scavengers for oxidized developer in color photographic material.Type: GrantFiled: December 20, 2011Date of Patent: August 27, 2013Assignee: BASF SEInventors: Michèle Gerster, Peter Nesvadba
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Patent number: 8258217Abstract: The instant invention relates to a composition comprising a) an organic material which is susceptible to oxidative, thermal or light-induced degradation, and b) at least one compound of the formula (I) wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH2—CH(CH3)—S(O)p—R12, —CH2—CH2—CH2—S(O)p—R12, —CH2—CH(R11)—CH2—R12 or —CH2—CH?CH—R12, R11 is hydrogen or halogen, R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms; or —CH2CH2(CF2)mCF3, m is 3 to 12, and p is 0, 1 or 2. The compounds of the formula I are useful as reducers of surface energy for organic materials, for example synthetic polymer.Type: GrantFiled: August 29, 2007Date of Patent: September 4, 2012Assignee: BASF SE LudwigshafenInventors: Michèle Gerster, Manuel Mihalic
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Patent number: 8252862Abstract: The invention describes a composition comprising a) a naturally occurring or synthetic rubber susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula I wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the formula I.Type: GrantFiled: September 5, 2008Date of Patent: August 28, 2012Assignee: BASF SEInventors: Michele Gerster, Manuel Mihalic
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Patent number: 8246859Abstract: The invention describes a process for reducing the surface energy of organic materials such as for example increasing the oil and water repellency and stain release of organic materials, which comprises treating the organic material with at least a compound of the formula I wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH(R11)—S(O)p—R12; R11 is hydrogen, C1-C8alkyl, unsubstituted or with C1-C4alkyl substituted phenyl; R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms, and p is 0, 1 or 2.Type: GrantFiled: June 4, 2007Date of Patent: August 21, 2012Assignee: BASF SEInventors: Michèle Gerster, Manuel Mihalic
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POLYMER COMPOSITIONS OF IMPROVED SCRATCH RESISTANCE, IMPROVED MECHANICAL STABILITY AND IMPROVED HAZE
Publication number: 20120190797Abstract: The present invention provides a composition comprising (i) a polymer, (ii) an organic compound A carrying at least two amide functionalities, and (iii) 12 to 1'000 parts per million (ppm) of a compound B selected from the group consisting of an organic compound C carrying at least two amide functionalities, sugar alcohol acetals and derivatives thereof, metal salts of organic acids and precursor-systems thereof, metal salts of organic phosphoric acids and precursor-systems thereof and metal salts of polyols and precursor-systems thereof, and mixtures thereof, based on the weight of the polymer, as well as shaped articles obtainable from this composition.Type: ApplicationFiled: September 7, 2010Publication date: July 26, 2012Applicant: BASF SEInventors: Per Magnus Kristiansen, Daniel Müller, Michèle Gerster -
Publication number: 20120088869Abstract: Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizers at least one compound of the formula I wherein the general symbols are as defined in claim 1. The compounds of formula I are especially useful as stabilizers for protecting polymers and lubricants against oxidative, thermal or light-induced degradation and as scavengers for oxidized developer in color photographic material.Type: ApplicationFiled: December 20, 2011Publication date: April 12, 2012Inventors: Michèle GERSTER, Peter NESVADBA
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Patent number: 8119710Abstract: The invention describes a process for the manufacture of a filled rubber compound with improved processability which comprises mixing in one-step a) a rubber, b) a white reinforcing filler, and c) a coupling agent of the Formula (I), wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the Formula (I).Type: GrantFiled: September 12, 2006Date of Patent: February 21, 2012Assignee: BASF SEInventors: Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi, Francesco Fuso