Patents by Inventor Ulrik Stengel
Ulrik Stengel 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: 10759732Abstract: A process for preparing an ester of (meth)acrylic acid or a derivative thereof comprises reacting (meth)acrylic acid or a derivative thereof with glycerol carbonate at a reaction temperature of 10 to 150° C. without a solvent in the presence of at least one enzyme catalyzing the esterification reaction.Type: GrantFiled: August 16, 2018Date of Patent: September 1, 2020Assignee: BASF SEInventors: Mathieu Blanchot, Uwe Meisenburg, Steffen Maurer, Jochen Petzoldt, Tobias Hoefener, Boris Breitscheidel, Andrea Misske, Friederike Fleischhaker, Martin Kaller, Christoph Fleckenstein, Ulrik Stengel, Ritesh Nair
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Publication number: 20200231528Abstract: A process for preparing an ester of (meth)acrylic acid or a derivative thereof comprises reacting (meth)acrylic acid or a derivative thereof with glycerol carbonate at a reaction temperature of 10 to 150° C. without a solvent in the presence of at least one enzyme catalyzing the esterification reaction.Type: ApplicationFiled: August 16, 2018Publication date: July 23, 2020Inventors: Mathieu BLANCHOT, Uwe MEISENBURG, Steffen MAURER, Jochen PETZOLDT, Tobias HOEFENER, Boris BREITSCHEIDEL, Andrea MISSKE, Friederike FLEISCHHAKER, Martin KALLER, Christoph FLECKENSTEIN, Ulrik STENGEL, Ritesh NAIR
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Patent number: 10370383Abstract: A process for preparing isosorbide di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide, comprising the steps of: (i) reacting alkyl (meth)acrylate with isosorbide in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (i) and (ii) are conducted simultaneously until the isosorbide has been essentially fully converted, (iii) adding water to the product mixture which comprises isosorbide (meth)acrylate and is obtained in steps (i) and (ii) and removing the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV), (iv) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture, (v) distilling off water from the product mixture, wherein step (iv) can also be conducted before step (iii) and steps (iv) andType: GrantFiled: February 26, 2016Date of Patent: August 6, 2019Assignee: BASF SEInventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ritesh Nair, Ulrik Stengel, Mathieu Blanchot
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Patent number: 9938548Abstract: The invention relates to a process for preparing a compound of the formula (I), in which R is H or C1-C6 alkyl, by reaction of at least one compound of the formula (II) in which R has the same definition as in the formula (I) and in which R1 is H, C1-C12 alkyl or C3-C12 cycloalkyl, with a compound of the formula (III) in which R2 is H or C(O)R3, in which R3 is H or C1-C12 alkyl, in the presence of at least one enzyme suitable for transesterification.Type: GrantFiled: December 18, 2015Date of Patent: April 10, 2018Assignee: BASF SEInventors: Christoph Fleckenstein, Mathieu Blanchot, Benoit Blank, Martin Kaller, Ulrik Stengel, Andrea Misske, Friederike Fleischhaker, Ritesh Nair
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Patent number: 9695136Abstract: A process for preparing heonone (meth)acrylate by transesterification of alkyl (meth)acrylate with heonone.Type: GrantFiled: November 30, 2015Date of Patent: July 4, 2017Assignee: BASF SEInventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ulrik Stengel, Mathieu Blanchot, Ritesh Nair
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Patent number: 9562054Abstract: A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.Type: GrantFiled: February 24, 2016Date of Patent: February 7, 2017Assignee: BASF SEInventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ulrik Stengel, Mathieu Blanchot, Claudia Stoer, Ritesh Nair
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Publication number: 20160251371Abstract: A process for preparing isosorbide di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide, comprising the steps of: (i) reacting alkyl (meth)acrylate with isosorbide in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (i) and (ii) are conducted simultaneously until the isosorbide has been essentially fully converted, (iii) adding water to the product mixture which comprises isosorbide (meth)acrylate and is obtained in steps (i) and (ii) and removing the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV), (iv) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture, (v) distilling off water from the product mixture, wherein step (iv) can also be conducted before step (iii) and steps (iv) anType: ApplicationFiled: February 26, 2016Publication date: September 1, 2016Applicant: BASF SEInventors: Andrea MISSKE, Friederike FLEISCHHAKER, Christoph FLECKENSTEIN, Martin KALLER, Ritesh NAIR, Ulrik STENGEL, Mathieu BLANCHOT
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Publication number: 20160251370Abstract: A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.Type: ApplicationFiled: February 24, 2016Publication date: September 1, 2016Applicant: BASF SEInventors: Andrea MISSKE, Friederike FLEISCHHAKER, Christoph FLECKENSTEIN, Martin KALLER, Ulrik STENGEL, Mathieu BLANCHOT, Claudia STOER, Ritesh NAIR
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Publication number: 20160186220Abstract: The invention relates to a process for preparing a compound of the formula (I), in which R is H or C1-C6 alkyl, by reaction of at least one compound of the formula (II) in which R has the same definition as in the formula (I) and in which R1 is H, C1-C12 alkyl or C3-C12 cycloalkyl, with a compound of the formula (III) in which R2 is H or C(O)R3, in which R3 is H or C1-C12 alkyl, in the presence of at least one enzyme suitable for transesterification.Type: ApplicationFiled: December 18, 2015Publication date: June 30, 2016Applicant: BASF SEInventors: Christoph FLECKENSTEIN, Mathieu BLANCHOT, Benoit BLANK, Martin KALLER, Ulrik STENGEL, Andrea MISSKE, Friederike FLEISCHHAKER, Ritesh NAIR
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Patent number: 9365715Abstract: A thermoplastic elastomer composition, containing a) 5 to 99 wt % of a block copolymer, which is constructed of hard blocks (A) made of vinyl aromatic monomers and one or more random soft blocks (B) of non-hydrogenated or hydrogenated block copolymer materials made of dienes and vinyl aromatic monomers, b) 1 to 95 wt % of a plasticizer having a higher polarity than white oil and a lower polarity than dinonyl adipate, c) 0 to 50 wt % of a polyolefin, and d) 0 to 60 wt % of additives, has advantageous properties in regard to processability.Type: GrantFiled: December 20, 2011Date of Patent: June 14, 2016Assignee: STYROLUTION EUROPE GMBHInventors: Konrad Knoll, Boris Breitscheidel, Ulrik Stengel
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Publication number: 20160152580Abstract: The invention relates to a process for preparing heonone (meth)acrylate by transesterification of alkyl (meth)acrylate with heonone, which comprises the steps: (i) reaction of alkyl (meth)acrylate with heonone in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an entrainer which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuous removal by distillation of the azeotrope of entrainer and alcohol, with steps (i) and (ii) being carried out simultaneously until heonone has been essentially completely reacted, (iii) addition of water to the product mixture comprising heonone (meth)acrylate obtained in steps (i) and (ii) and removal of the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV) by filtration, (iv) distillation of unreacted alkyl (meth)acrylate and entrainer from the product mixture, (v) distillation of water from the product mixture, with step (iv) also being able to be carried out before steType: ApplicationFiled: November 30, 2015Publication date: June 2, 2016Applicant: BASF SEInventors: Andrea MISSKE, Friederike FLEISCHHAKER, Christoph FLECKENSTEIN, Martin KALLER, Ulrik STENGEL, Mathieu BLANCHOT, Ritesh NAIR
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Publication number: 20160122276Abstract: The invention relates to a method of preparing a C8-C22 alkyl (meth)acrylate by transesterification of C1-C2 alkyl (meth)acrylate with a C8-C22 alkanol, said method comprising the steps of (i) reacting C1-C2 alkyl (meth)acrylate with the C8-C22 alkanol in the presence of a particulate potassium phosphate heterogeneous catalyst and a stabilizer thus releasing C1-C2 alkanol, (ii) continuously distilling off the azeotrope of C1-C2 alkyl (meth)acrylate and the C1-C2 alkanol, wherein steps (i) and (ii) are carried out simultaneously until substantially all of the C8-C22 alkanol has reacted, (iii) distilling off unconverted C1-C2 alkyl (meth)acrylate, (iv) washing the C8-C22 alkyl (meth)acrylate-comprising product mixture obtained in steps (i) through (iii) with an aqueous phase to separate off the catalyst and the stabilizer from the product mixture with the aqueous phase and optionally adding a stabilizer, (v) distilling off water from the product mixture, wherein step (iii) may also be effected after step (iv) aType: ApplicationFiled: October 15, 2015Publication date: May 5, 2016Applicant: BASF SEInventors: Andrea MISSKE, Hannelore Schirra, Christoph Fleckenstein, Martin Kaller, Ulrik Stengel, Mathieu Blanchot, Friederike Fleischhaker, Ritesh Nair
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Publication number: 20160090348Abstract: The invention relates to a process for preparing a C8-C24 alkyl(meth)acrylate by transesterification of methyl(meth)acrylate with a C8-C24 alkanol, said process comprising the steps of: (i) reacting methyl(meth)acrylate with the C8-C24 alkanol in the presence of a tin-comprising catalyst and a stabilizer in the presence of an entraining agent which forms an azeotrope with methanol, (ii) continuously distilling off the azeotrope of entraining agent and methanol wherein steps (i) and (ii) are carried out simultaneously until the C8-C24 alkanol has been substantially completely reacted, (iii) washing with an aqueous alkaline washing solution the C8-C24 alkyl (meth)acrylate-comprising product mixture obtained in steps (i) and (ii) to remove from the product mixture the tin-comprising catalyst and at least some of the stabilizer, (iv) distilling off unconverted methyl(meth)acrylate and entraining agent from the product mixture, (v) distilling off water from the product mixture wherein a product having a by-productType: ApplicationFiled: September 15, 2015Publication date: March 31, 2016Applicant: BASF SEInventors: Andrea MISSKE, Friederike FLEISCHHAKER, Christoph FLECKENSTEIN, Martin KALLER, Ulrik STENGEL, Mathieu BLANCHOT, Ritesh NAIR
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Publication number: 20140011929Abstract: A thermoplastic elastomer composition, containing a) 5 to 99 wt % of a block copolymer, which is constructed of hard blocks (A) made of vinyl aromatic monomers and one or more random soft blocks (B) of non-hydrogenated or hydrogenated block copolymer materials made of dienes and vinyl aromatic monomers, b) 1 to 95 wt % of a plasticizer having a higher polarity than white oil and a lower polarity than dinonyl adipate, c) 0 to 50 wt % of a polyolefin, and d) 0 to 60 wt % of additives, has advantageous properties in regard to processability.Type: ApplicationFiled: December 20, 2011Publication date: January 9, 2014Applicant: BASF SEInventors: Konrad Knoll, Boris Breitscheidel, Ulrik Stengel
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Publication number: 20100028528Abstract: The use of cyclohexane polycarboxylic acid esters for the preparation of coating compositions for the coil coating process containing at least one paste PVC and at least one extender PVC and of coated coils, the coil coating process, which is carried out by using coating compositions containing cyclohexane polycarboxylic acid esters, one-sided or two-sided coated coils with at least one coating composition containing at least one cyclohexane polycarboxylic acid ester as well as three-dimensional formed parts preparable by the shaping of the said coated coils.Type: ApplicationFiled: November 26, 2007Publication date: February 4, 2010Applicant: BASF SEInventors: Deborah Lois Coombs, Paul Michael Davies, Ulrik Stengel, Christopher David Morgan