Patents by Inventor Kai-Uwe Schoning
Kai-Uwe Schoning 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: 20180319746Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.Type: ApplicationFiled: July 16, 2018Publication date: November 8, 2018Applicant: BASF SEInventors: Hans-Rudolf Meier, Kai-Uwe Schoning, Shrirang Bhikaji Hindalekar
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Patent number: 10040762Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.Type: GrantFiled: March 2, 2011Date of Patent: August 7, 2018Assignee: BASF SEInventors: Hans-Rudolf Meier, Kai-Uwe Schoning, Shrirang Bhikaji Hindalekar
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Patent number: 9969864Abstract: The present invention relates to symmetric diesters of hydroxyalkyl-4-hydroxy-tetraalkylpiperidine compounds and their use as light stabilizers. They are compatible with and soluble in coating formulations of different polarity.Type: GrantFiled: July 3, 2014Date of Patent: May 15, 2018Assignee: BASF SEInventors: Wolfgang Peter, Adalbert Braig, Ulrich Berens, Kai-Uwe Schöning, Markus Grob, Cinzia Tartarini, Tania Weyland
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Patent number: 9963575Abstract: Disclosed herein is a compound of the formula (I), wherein one or two radicals of the radicals R1 are independently of one another C1-C20alkyloxy or C3-C12cycloalkyloxy and the remaining radicals R1 are independently of one another hydrogen, C1-C20alkyl or C3-C12cycloalkyl; the radicals R0 and R2 are independently of one another hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a) with R3 being hydrogen, C1-C20alkyl, C3-C12cycloalkyl, C1-C20alkyloxy or C3-C12cycloalkyloxy; Y is C2-C12alkylene; m is 0 or 1; n is 1, 2 or 3; when n is 1, X is hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a); when n is 2, X is C2-C12alkylene; when n is 3, X is a group N(Z—)3 with Z being C2-C12alkyl.Type: GrantFiled: December 23, 2016Date of Patent: May 8, 2018Assignee: BASF SEInventors: Edoardo Menozzi, Kai-Uwe Schoning
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Publication number: 20170107352Abstract: Disclosed herein is a compound of the formula (I), wherein one or two radicals of the radicals R1 are independently of one another C1-C20alkyloxy or C3-C12cycloalkyloxy and the remaining radicals R1 are independently of one another hydrogen, C1-C20alkyl or C3-C12cycloalkyl; the radicals R0 and R2 are independently of one another hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a) with R3 being hydrogen, C1-C20alkyl, C3-C13cycloalkyl, C1-C20alkyloxy or C3-C12cycloalkyloxy; Y is C2-C12alkylene; m is 0 or 1; n is 1, 2 or 3; when n is 1, X is hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a); when n is 2, X is C2-C12alkylene; when n is 3, X is a group N(Z—)3 with Z being C2-C12alkyl.Type: ApplicationFiled: December 23, 2016Publication date: April 20, 2017Applicant: BASF SEInventors: Edoardo MENOZZI, Kai-Uwe SCHONING
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Patent number: 9556326Abstract: A compound of the formula (I) wherein m and n are independently of one another a number from 1 to 50; the ratio of m/n is 1:10 to 10:1, the recurring units X can have the same definition or different definitions, the recurring units Y can have the same definition or different definitions and the recurring units X and Y can have a random, alternating or block distribution; the recurring unit X is a group of the formula (I-a) and the recurring unit Y is a group of the formula (I-b) the radicals R1 independently of one another are C1-C12alkyl or C3-C12cycloalkyl; the radicals R2 and R4 are independently of one another C12-C30alkyl; the radicals R3 are independently of one another hydrogen, C1-C12alkyl or C3-C12cycloalkyl.Type: GrantFiled: October 17, 2011Date of Patent: January 31, 2017Assignee: BASF SEInventors: Edoardo Menozzi, Kai-Uwe Schoning
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Patent number: 9550941Abstract: A compound of the formula (I), wherein one or two radicals of the radicals R1 are independently of one another C1-C20alkyloxy or C3-C12cycloalkyloxy and the remaining radicals R1 are independently of one another hydrogen, C1-C20alkyl or C3-C12cycloalkyl; the radicals R0 and R2 are independently of one another hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a) with R3 being hydrogen, C1-C20alkyl, C3-C12cycloalkyl, C1-C20alkyloxy or C3-C12cycloalkyloxy; Y is C2-C12alkylene; m is 0 or 1; n is 1, 2 or 3; when n is 1, X is hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a); when n is 2, X is C2-C12alkylene; when n is 3, X is a group N(Z—)3 with Z being C2-C12alkyl.Type: GrantFiled: October 17, 2011Date of Patent: January 24, 2017Assignee: BASF SEInventors: Edoardo Menozzi, Kai-Uwe Schoning
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Publication number: 20160362535Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) where R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-0-Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Inventors: Walter Fischer, Abdel-Ilah Basbas, Kai-Uwe Schoning, Cinzia Tartarini, Werner Hölzl, Bruno Rotzinger
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Patent number: 9458380Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-O—Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.Type: GrantFiled: April 25, 2012Date of Patent: October 4, 2016Assignee: BASF SEInventors: Walter Fischer, Abdel-Ilah Basbas, Kai-Uwe Schoning, Cinzia Tartarini, Werner Holzl, Bruno Rotzinger
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Publication number: 20160200969Abstract: The present application relates to compositions comprising at least one acrylamide polymer P and at least one stabilizer S selected from sterically hindered amines; more particularly, the composition may be an aqueous solution comprising at least one acrylamide polymer P and at least one stabilizer S. In addition, the present invention relates to a process for producing the composition and to the use thereof in mineral oil production.Type: ApplicationFiled: August 14, 2014Publication date: July 14, 2016Applicant: BASF SEInventors: Roland REICHENBACH-KLINKE, Kai-Uwe SCHÖNING, Bruno ROTZINGER, Björn LANGLOTZ
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Publication number: 20160168356Abstract: The present invention relates to symmetric diesters of hydroxyalkyl-4-hydroxy-tetraalkylpiperidine compounds and their use as light stabilizers. They are compatible with and soluble in coating formulations of different polarity.Type: ApplicationFiled: July 3, 2014Publication date: June 16, 2016Inventors: Wolfgang PETER, Adalbert BRAIG, Ulrich BERENS, Kai-Uwe SCHÖNING, Markus GROB, Cinzia TARTARINI, Tania WEYLAND
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Patent number: 9045480Abstract: The disclosure concerns sterically hindered amine light stabilizers (HALS) with low basicity at the nitrogen atom and high thermal stability. They are characterized by their spiro-substitution in the 4-position of the tetramethylpiperidine ring (Spiro-NOR-HALS). These compounds are useful in stabilizing polymers, especially thermoplastic polyolefins, against the deleterious effects of oxidative, thermal and actinic radiation. The compounds are also useful in stabilizing acid catalyzed and ambient cured coatings systems. They are particularly useful when high processing temperatures are additional required.Type: GrantFiled: June 1, 2010Date of Patent: June 2, 2015Assignee: BASF SEInventors: Kai-Uwe Schöning, Adriana Edenharter, Stefan Hauck
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Publication number: 20140058021Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-O—Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.Type: ApplicationFiled: April 25, 2012Publication date: February 27, 2014Applicant: BASF SEInventors: Walter Fischer, Abdel-Ilah Basbas, Kai-Uwe Schoning, Cinzia Tartarini, Werner Holzl, Bruno Rotzinger
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Patent number: 8598369Abstract: The instant invention pertains to novel bi- or tricyclic sterically hindered alkoxyamines, their precursors, a process for their preparation and their use as light stabilizers for polymers or coatings, as flame retardants, as peroxide substitutes (rheology modifiers) or carbon radical scavengers.Type: GrantFiled: August 3, 2010Date of Patent: December 3, 2013Assignee: BASF SEInventors: Stefan Hauck, Walter Fischer, Kai-Uwe Schöning
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Patent number: 8524812Abstract: N-substituted Macrocyclic Triazine-HALS Stabilizers.Type: GrantFiled: January 26, 2010Date of Patent: September 3, 2013Assignee: BASF SEInventors: Massimiliano Sala, Giulia Cocco, Anna Bassi, Michael Roth, Kai-Uwe Schöning
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Publication number: 20130216752Abstract: A compound of the formula (I) wherein m and n are independently of one another a number from 1 to 50; the ratio of m/n is 1:10 to 10:1, the recurring units X can have the same definition or different definitions, the recurring units Y can have the same definition or different definitions and the recurring units X and Y can have a random, alternating or block distribution; the recurring unit X is a group of the formula (I-a) and the recurring unit Y is a group of the formula (I-b) the radicals R1 independently of one another are C1-C12alkyl or C3-C12cycloalkyl; the radicals R2 and R4 are independently of one another C12-C30alkyl; the radicals R3 are independently of one another hydrogen, C1-C12alkyl or C3-C12cycloalkyl.Type: ApplicationFiled: October 17, 2011Publication date: August 22, 2013Applicant: BASF SEInventors: Edoardo Menozzi, Kai-Uwe Schoning
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Publication number: 20130207043Abstract: A compound of the formula (I), wherein one or two radicals of the radicals R1 are independently of one another C1-C20alkyloxy or C3-C12cycloalkyloxy and the remaining radicals R1 are independently of one another hydrogen, C1-C20alkyl or C3-C12cycloalkyl; the radicals R0 and R2 are independently of one another hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a) with R3 being hydrogen, C1-C20alkyl, C3-C12cycloalkyl, C1-C20alkyloxy or C3-C12cycloalkyloxy; Y is C2-C12alkylene; m is 0 or 1; n is 1, 2 or 3; when n is 1, X is hydrogen, C1-C20alkyl, C3-C12cycloalkyl or a group of the formula (II-a); when n is 2, X is C2-C12alkylene; when n is 3, X is a group N(Z—)3 with Z being C2-C12alkylType: ApplicationFiled: October 17, 2011Publication date: August 15, 2013Applicant: BASF SEInventors: Edoardo Menozzi, Kai-Uwe Schoning
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Patent number: 8481726Abstract: The present invention relates to a novel process for the preparation of specific sterically hindered nitroxyl ethers from their corresponding sterically hindered nitroxyl radicals by reacting it with an aldehyde and a hydroperoxide. This nitroxyl ether formation may be carried out from different starting nitroxyl radicals, which are subsequently further reacted to the desired compounds. The compounds prepared by this process are effective as stabilizers for polymers against harmful effects of light, oxygen and/or heat and as flame-retardants for polymers.Type: GrantFiled: June 25, 2007Date of Patent: July 9, 2013Assignee: BASF SEInventors: Abdel-Ilah Basbas, Davide Alvisi, Robert Cordova, Michael Peter Difazio, Walter Fischer, Joseph A. Kotrola, Tiziano Nocentini, James Robbins, Kai-Uwe Schöning
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Patent number: 8471031Abstract: The present invention relates to a novel process for the preparation of a sterically hindered nitroxyl ether from the corresponding sterically hindered nitroxyl radical by reacting it with a carbonyl compound and a hydroperoxide. The compounds prepared by this process are effective stabilizers for polymers against harmful effects of light, oxygen and/or heat, as flame-retardants for polymers and as polymerization regulators.Type: GrantFiled: June 25, 2007Date of Patent: June 25, 2013Assignee: BASF SEInventors: Kai-Uwe Schöning, Walter Fischer, Abdel-Ilah Basbas, Alexander Dichtl
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Publication number: 20130059952Abstract: The invention relates to compounds of the group of so-called sterically hindered amines (HALS) which are substituted by phospho groups. The invention also relates to flame retardant compositions wherein these compounds are added to the polymer substrate.Type: ApplicationFiled: January 13, 2011Publication date: March 7, 2013Applicant: BASF SEInventors: Rudolf Pfaendner, Michael Roth, Kai-Uwe Schöning, Thomas Weiss, Shrirang Bhikaji Hindalekar