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).

  • Publication number: 20240174839
    Abstract: 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: Application
    Filed: March 31, 2022
    Publication date: May 30, 2024
    Inventors: Tania WEYLAND, Heinz HERBST, Michèle GERSTER
  • Publication number: 20240084104
    Abstract: 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: Application
    Filed: December 8, 2021
    Publication date: March 14, 2024
    Inventors: Gregor HUBER, Heinz HERBST, Feng ZUO, Tania WEYLAND, Michele GERSTER
  • Publication number: 20240052141
    Abstract: 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: Application
    Filed: December 9, 2021
    Publication date: February 15, 2024
    Inventors: Gregor HUBER, Heinz HERBST, Feng ZUO, Tania WEYLAND, Michele GERSTER
  • Patent number: 11401399
    Abstract: 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: Grant
    Filed: September 7, 2010
    Date of Patent: August 2, 2022
    Assignee: BASF SE
    Inventors: Per Magnus Kristiansen, Daniel Müller, Michèle Gerster
  • Patent number: 9475743
    Abstract: 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: Grant
    Filed: February 28, 2014
    Date of Patent: October 25, 2016
    Assignee: Wintershall Holding GmbH
    Inventors: Fabien Jean Brand, Peter Hänggi, Michèle Gerster, Markus Hansch
  • Publication number: 20160016871
    Abstract: 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: Application
    Filed: February 28, 2014
    Publication date: January 21, 2016
    Applicant: WINTERSHALL HOLDING GMBH
    Inventors: Fabien Jean Brand, Peter Hänggi, Michèle Gerster, Markus Hansch
  • Publication number: 20150337114
    Abstract: 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: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Applicant: BASF SE
    Inventors: Michele GERSTER, Raphael Dabbous
  • Patent number: 9051448
    Abstract: 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: Grant
    Filed: August 22, 2005
    Date of Patent: June 9, 2015
    Assignee: BASF SE
    Inventors: Michèle Gerster, Dietmar Mäder, Bruno Rotzinger
  • Patent number: 8980134
    Abstract: 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: Grant
    Filed: March 31, 2009
    Date of Patent: March 17, 2015
    Assignee: BASF SE
    Inventors: Michèle Gerster, Manuel Mihalic
  • Publication number: 20140045980
    Abstract: 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: Application
    Filed: April 23, 2012
    Publication date: February 13, 2014
    Applicant: BASF SE
    Inventors: Michele Gerster, Raphael Dabbous
  • Patent number: 8637694
    Abstract: 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: Grant
    Filed: February 19, 2007
    Date of Patent: January 28, 2014
    Assignee: BASF SE
    Inventors: Werner Hölzl, Andrea Preuss, Michèle Gerster
  • Publication number: 20140005310
    Abstract: 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: Application
    Filed: March 19, 2012
    Publication date: January 2, 2014
    Applicant: BASF SE
    Inventors: Michele Gerster, Raphael Dabbous
  • Patent number: 8569405
    Abstract: 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: Grant
    Filed: January 19, 2009
    Date of Patent: October 29, 2013
    Assignee: BASF SE
    Inventors: Alex Wegmann, Sunghee Kim, Michèle Gerster
  • Patent number: 8518302
    Abstract: 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: Grant
    Filed: December 20, 2011
    Date of Patent: August 27, 2013
    Assignee: BASF SE
    Inventors: Michèle Gerster, Peter Nesvadba
  • Patent number: 8258217
    Abstract: 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: Grant
    Filed: August 29, 2007
    Date of Patent: September 4, 2012
    Assignee: BASF SE Ludwigshafen
    Inventors: Michèle Gerster, Manuel Mihalic
  • Patent number: 8252862
    Abstract: 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: Grant
    Filed: September 5, 2008
    Date of Patent: August 28, 2012
    Assignee: BASF SE
    Inventors: Michele Gerster, Manuel Mihalic
  • Patent number: 8246859
    Abstract: 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: Grant
    Filed: June 4, 2007
    Date of Patent: August 21, 2012
    Assignee: BASF SE
    Inventors: Michèle Gerster, Manuel Mihalic
  • Publication number: 20120190797
    Abstract: 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: Application
    Filed: September 7, 2010
    Publication date: July 26, 2012
    Applicant: BASF SE
    Inventors: Per Magnus Kristiansen, Daniel Müller, Michèle Gerster
  • Publication number: 20120088869
    Abstract: 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: Application
    Filed: December 20, 2011
    Publication date: April 12, 2012
    Inventors: Michèle GERSTER, Peter NESVADBA
  • Patent number: 8119710
    Abstract: 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: Grant
    Filed: September 12, 2006
    Date of Patent: February 21, 2012
    Assignee: BASF SE
    Inventors: Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi, Francesco Fuso