Patents by Inventor Dejan PETROVIC
Dejan PETROVIC 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: 11945904Abstract: The present invention relates to a process for producing a flexible polyurethane foam thermally recyclable by fusion, and to hybrid materials made of flexible polyurethane foam and compact thermoplastic elastomer and/or expanded thermoplastic polyurethane.Type: GrantFiled: December 20, 2018Date of Patent: April 2, 2024Assignee: BASF SEInventors: Julia Jaehnigen, Wibke Loelsberg, Angelika Mueller, Daniela Tepe, Frank Prissok, Dejan Petrovic, Heinz-Dieter Lutter
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Patent number: 11725075Abstract: A polyurethane, in particular a thermoplastic polyurethane, is obtainable or obtained by reacting at least a polyisocyanate composition and a polyol composition. The polyol composition contains at least one polyester diol or polyether diol, having a number-average molecular weight in the range from 500 to 3000 g/mol, and at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from a thio group, a hydroxyl group, and an amino group. A process can be used for preparing this polyurethane, and a molded body containing the polyurethane is useful. Foam beads based on polyurethane can be obtained or obtainable from the polyurethane, and a process can be used for producing foam beads. Corresponding bead foams are useful.Type: GrantFiled: October 19, 2021Date of Patent: August 15, 2023Assignee: BASF SEInventors: Julia Christa Jaehnigen, Nabarun Roy, Elmar Poeselt, Dejan Petrovic, Peter Gutmann, Dirk Kempfert
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Patent number: 11535697Abstract: The present invention relates to a polyurethane, in particular a thermoplastic polyurethane, obtainable or obtained by reacting at least the components (i) to (ii): (i) a polyisocyanate composition; (ii) a polyol composition, comprising (ii.1) at least one polyester diol or polyether diol having a number-average molecular weight in the range from 500 to 3000 g/mol, (ii.2) at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from the group consisting of thio group, hydroxyl group and amino group. The invention additionally relates to a process for preparing this polyurethane, to the use thereof, to a molded body comprising the polyurethane. Furthermore, the invention relates to foam beads based on polyurethane, obtained or obtainable from the polyurethane, to a process for producing foam beads and also to bead foams and to the use thereof.Type: GrantFiled: July 19, 2018Date of Patent: December 27, 2022Assignee: BASF SEInventors: Julia Christa Jaehnigen, Nabarun Roy, Elmar Poeselt, Dejan Petrovic, Peter Gutmann, Dirk Kempfert
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Patent number: 11286330Abstract: The present invention is concerned with a new macromer for use in polymer polyol dispersions, and also with a process for preparing a new macromer of this kind.Type: GrantFiled: August 29, 2017Date of Patent: March 29, 2022Assignee: BASF SEInventors: Dejan Petrovic, Christian Koenig
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Patent number: 11267926Abstract: The present invention relates to a method of preparing a polyurethane elastomer, said method comprising the step of reacting at least one isocyanate composition (ZI) and one polyol composition (ZP) comprising a poly-?-caprolactone polyol and an ?-hydro-?-hydroxy-poly(oxytetramethylene) polyol to obtain an isocyanate-functional prepolymer and the step of reacting the prepolymer obtained as per step (i) with at least one chain extender (KV). The present invention further relates to a polyurethane elastomer obtained or obtainable according to a method of the invention and also to the method of using a polyurethane elastomer according to the invention or a polyurethane elastomer obtained or obtainable according to a method of the invention in the manufacture of a shaped article, especially a damping element, a shock absorber or a stop buffer or part of a shoe or of a shoe sole, for example part of an insert sole or of a midsole.Type: GrantFiled: November 14, 2017Date of Patent: March 8, 2022Assignee: BASF SEInventors: Johannes Poppenberg, Waldemar Meier, Christina Tepper, Markus Susoff, Dejan Petrovic, Steffen Richter
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Publication number: 20220033566Abstract: A polyurethane, in particular a thermoplastic polyurethane, is obtainable or obtained by reacting at least a polyisocyanate composition and a polyol composition. The polyol composition contains at least one polyester diol or polyether diol, having a number-average molecular weight in the range from 500 to 3000 g/mol, and at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from a thio group, a hydroxyl group, and an amino group. A process can be used for preparing this polyurethane, and a molded body containing the polyurethane is useful. Foam beads based on polyurethane can be obtained or obtainable from the polyurethane, and a process can be used for producing foam beads. Corresponding bead foams are useful.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Applicant: BASF SEInventors: Julia Christa JAEHNIGEN, Nabarun Roy, Elmar Poeselt, Dejan Petrovic, Peter Gutmann, Dirk Kempfert
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Publication number: 20210269579Abstract: A process is useful for producing a rigid polyurethane foam, also referred to as rigid PU foam, via mixing of three streams, rigid PU foams that are obtained by that process, and the use thereof as an insulation material.Type: ApplicationFiled: June 19, 2019Publication date: September 2, 2021Applicant: BASF SEInventors: Hendrik WAGNER, Marko Grever, Frank Thielbeer, Sabrina Kronig, Antje Huskobla, Joerg Krogmann, Dejan Petrovic
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Publication number: 20200339735Abstract: The present invention relates to a process for producing a flexible polyurethane foam thermally recyclable by fusion, and to hybrid materials made of flexible polyurethane foam and compact thermoplastic elastomer and/or expanded thermoplastic polyurethane.Type: ApplicationFiled: December 20, 2018Publication date: October 29, 2020Applicant: BASF SEInventors: Julia JAEHNIGEN, Wibke LOELSBERG, Angelika MUELLER, Daniela TEPE, Frank PRISSOK, Dejan PETROVIC, Heinz-Dieter LUTTER
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Publication number: 20200231739Abstract: The present invention relates to a polyurethane, in particular a thermoplastic polyurethane, obtainable or obtained by reacting at least the components (i) to (ii): (i) a polyisocyanate composition; (ii) a polyol composition, comprising (ii.1) at least one polyester diol or polyether diol having a number-average molecular weight in the range from 500 to 3000 g/mol, (ii.2) at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from the group consisting of thio group, hydroxyl group and amino group. The invention additionally relates to a process for preparing this polyurethane, to the use thereof, to a molded body comprising the polyurethane. Furthermore, the invention relates to foam beads based on polyurethane, obtained or obtainable from the polyurethane, to a process for producing foam beads and also to bead foams and to the use thereof.Type: ApplicationFiled: July 19, 2018Publication date: July 23, 2020Applicant: BASF SEInventors: Julia Christa JAEHNIGEN, Nabarun ROY, Elmar POESELT, Dejan PETROVIC, Peter GUTMANN, Dirk KEMPFERT
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Patent number: 10472458Abstract: This invention relates to a stabilizer for polymer polyol production processes, its production and use.Type: GrantFiled: April 28, 2015Date of Patent: November 12, 2019Assignee: BASF SEInventors: Christian Koenig, Dejan Petrovic
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Publication number: 20190276582Abstract: The present invention relates to a method of preparing a polyurethane elastomer, said method comprising the step of reacting at least one isocyanate composition (ZI) and one polyol composition (ZP) comprising a poly-?-caprolactone polyol and an ?-hydro-?-hydroxy-poly(oxytetramethylene) polyol to obtain an isocyanate-functional prepolymer and the step of reacting the prepolymer obtained as per step (i) with at least one chain extender (KV). The present invention further relates to a polyurethane elastomer obtained or obtainable according to a method of the invention and also to the method of using a polyurethane elastomer according to the invention or a polyurethane elastomer obtained or obtainable according to a method of the invention in the manufacture of a shaped article, especially a damping element, a shock absorber or a stop buffer or part of a shoe or of a shoe sole, for example part of an insert sole or of a midsole.Type: ApplicationFiled: November 14, 2017Publication date: September 12, 2019Applicant: BASF SEInventors: Johannes POPPENBERG, Waldemar MEIER, Christina TEPPER, Markus SUSOFF, Dejan PETROVIC, Steffen RICHTER
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Publication number: 20190270841Abstract: The present invention relates to a method of preparing a polyurethane elastomer. The method includes a step of reacting at least one isocyanate composition and one polyol composition containing a poly-?-caprolactone polyol obtained by reacting ? caprolactone and a diol having a number average molecular weight of from 80 to 1500 g/mol to obtain an isocyanate-functional prepolymer; and a step of reacting the prepolymer with at least one chain extender. The polyol composition contains ?-hydro-?-hydroxypoly(oxytetramethylene) polyols in an amount ranging from 0 to 1 wt % based on the entire polyol composition. The present invention further relates to a polyurethane elastomer prepared by such a method and also to the use of the polyurethane elastomer in the manufacture of a shaped article, especially a damping element, a shock absorber, a stop buffer, or a part of a shoe, such as a shoe sole, in particular, an insert sole or a midsole.Type: ApplicationFiled: November 14, 2017Publication date: September 5, 2019Applicant: BASF SEInventors: Johannes POPPENBERG, Waldemar MEIER, Christina TEPPER, Markus SUSOFF, Dejan PETROVIC, Steffen RICHTER
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Patent number: 10370479Abstract: This invention relates to a continuous process for making a polymer polyol, the polymer polyol produced according to the said process and its applications.Type: GrantFiled: April 20, 2015Date of Patent: August 6, 2019Assignee: BASF SEInventors: Christian Koenig, Dejan Petrovic, Achim Loeffler, Andreas Bauder, Daniel Freidank, Dirk Opfermann, Isa Alexandra Queiroz Da Fonseca, Caroline Mages-Sauter, Chuan Long Fu, Shu Kui Wang
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Publication number: 20190202970Abstract: The present invention is concerned with a new macromer for use in polymer polyol dispersions, and also with a process for preparing a new macromer of this kind.Type: ApplicationFiled: August 29, 2017Publication date: July 4, 2019Applicant: BASF SEInventors: Dejan PETROVIC, Christian KOENIG
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Patent number: 9890895Abstract: The present invention relates to a process for producing pipelines with heat-storing properties, in which a) organic polyisocyanate is mixed with b) at least one polymeric compound having at least two isocyanate-reactive hydrogen atoms, c) optionally chain extender and/or crosslinker, d) catalyst, e) wax and f) optionally other assistants and/or additives, to give a first reaction mixture, and the first reaction mixture is applied to a pipe and allowed to react fully to give a first polyurethane layer. The present invention further relates to a pipeline with heat-storing properties obtainable by such a process.Type: GrantFiled: September 25, 2013Date of Patent: February 13, 2018Assignee: BASF SEInventors: Daniel Freidank, Dejan Petrovic, Wei Leng, Julia Liese
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Publication number: 20170110759Abstract: A solid phase electrolyte composition containing at least one conducting salt and at least one random copolymer, wherein the random copolymer comprises 5 to 95 wt.-% polymerized units of monomers (a) and 95 to 5 wt.-% polymerized units of monomers (b), based on the total weight of the copolymer, wherein (a) is at least one functionalized polyether containing at least one polymerizable C—C double bond per molecule in average, and (b) is at least one ethylenically unsaturated monomer (b1) or a mixture of at least one ethylenically unsaturated monomer (b1) and at least one ethylenically unsaturated monomer (b2) wherein (b1) is selected from the group consisting of styrene, alpha-methyl styrene, maleic anhydride, N-phenylmaleimide, C1-C4 alkyl methacrylates, C1-C22 alkyl acrylates, acrylic acid, salts of acrylic acid, C1-C4 alkylacrylic acids, salts of C1-C4 alkylacrylic acids, acrylic amides, and vinyl alcohol derivates, and (b2) is selected from the group consisting of acrylonitrile and methacrylonitrile.Type: ApplicationFiled: March 20, 2015Publication date: April 20, 2017Applicant: BASF SEInventors: Philipp Johannes BOECKMANN, Christian KOENIG, Sven FLEISCHMANN, Dejan PETROVIC
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Publication number: 20170051097Abstract: This invention relates to a stabilizer for polymer polyol production processes, its production and use.Type: ApplicationFiled: April 28, 2015Publication date: February 23, 2017Applicant: BASF SEInventors: Christian KOENIG, Dejan PETROVIC
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Publication number: 20170044297Abstract: This invention relates to a continuous process for making a polymer polyol, the polymer polyol produced according to the said process and its applications.Type: ApplicationFiled: April 20, 2015Publication date: February 16, 2017Applicant: BASF SEInventors: Christian KOENIG, Dejan PETROVIC, Achim LOEFFLER, Andreas BAUDER, Daniel FREIDANK, Dirk OPFERMANN, Isa Alexandra QUEIROZ DA FONSECA, Caroline MAGES-SAUTER, Chuan Long FU, Shu Kui WANG
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Patent number: 9403963Abstract: The invention relates to particle-comprising polyether alcohols which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol, wherein the polymerization is carried out in the presence of at least one compound (A) comprising a polysiloxane chain to which at least one polyether chain comprising at least one reactive hydrogen atom and a polyether chain comprising at least one olefinic double bond are bonded.Type: GrantFiled: August 21, 2012Date of Patent: August 2, 2016Assignee: BASF SEInventors: Andreas Emge, Daniel Freidank, Dejan Petrovic, Marta Reinoso Garcia, Stefan Winnig, Markus Schütte
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Patent number: 9260628Abstract: The present invention relates to a process for preparing polyurea elastomers, in which (a) polyisocyanates are mixed with (b) polyamines, (c) optionally amine chain extenders comprising primary or secondary amine groups, (d) optionally polyols and (e) optionally auxiliaries and additives to form a reaction mixture and cured, where at least one of the components (a) to (d) comprises dispersed filler particles.Type: GrantFiled: August 2, 2013Date of Patent: February 16, 2016Assignee: BASF SEInventors: Iran Otero Martinez, Dejan Petrovic, Zeljko Tomovic