Patents by Inventor Mladen Vidakovic
Mladen Vidakovic 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: 20220411566Abstract: The invention relates to a process for producing polyurethanes using a component A comprising a polyhydrazide, a polysemicarbazide, a polysulfonyl hydrazide and/or carbodihydrazide, in particular a polyhydrazide, wherein the component A is employed in the form of a mixture C which further comprises a component B comprising a dispersion medium.Type: ApplicationFiled: July 13, 2020Publication date: December 29, 2022Applicant: Evonik Operations GmbHInventors: Eva Emmrich-Smolczyk, Mladen Vidakovic, Stephan Wendel, Juan Jesus Burdeniuc
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Publication number: 20220017680Abstract: Process for producing cold-cure flexible slabstock PU foams by reaction of at least one polyol component and at least one isocyanate component in the presence of water and at least one catalyst and at least one crosslinker, wherein no nitrogen-containing crosslinkers having an expanded OH number above 1000 mg KOH/g are employed in a total amount >0.5 parts by weight, preferably >0.1 parts by weight, based on 100 parts by weight of polyol.Type: ApplicationFiled: July 5, 2021Publication date: January 20, 2022Applicant: Evonik Operations GmbHInventors: Harald Modro, Kai-Oliver Feldmann, Mladen Vidakovic, Rüdiger Landers, Daniela Hermann
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Publication number: 20210214488Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Applicant: Evonik Operations GmbHInventors: Eva Emmrich-Smolczyk, Mladen Vidakovic, Kai-Oliver Feldmann, Annegret Terheiden
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Patent number: 10995174Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.Type: GrantFiled: September 11, 2018Date of Patent: May 4, 2021Assignee: Evonik Operations GmbHInventors: Eva Emmrich-Smolczyk, Mladen Vidakovic, Kai-Oliver Feldmann, Annegret Terheiden
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Patent number: 10590228Abstract: The use of a mixture (M) comprising nitrogen compound(s) in the preparation of polyurethanes, especially polyurethane foams, wherein said mixture (M) comprises the following constituents: (a) N,N-dimethylaminopropylamine, at least in an amount of ?5% by weight, advantageously in an amount of ?20% by weight, preferably 20%-95% by weight, further preferably 30%-70% by weight, especially 30%-60% by weight, and (b) at least one solvent, especially water, advantageously in a total amount of ?5% by weight, preferably ?10% by weight, more preferably 10%-60% by weight, especially 10%-40% by weight, % by weight based in each case on the overall mixture (M), is described.Type: GrantFiled: March 18, 2016Date of Patent: March 17, 2020Assignee: Evonik Operations GmbHInventors: Thomas Günther, Mladen Vidakovic, Collins Wettey
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Publication number: 20190092893Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.Type: ApplicationFiled: September 11, 2018Publication date: March 28, 2019Applicant: Evonik Degussa GmbHInventors: Eva Emmrich-Smolczyk, Mladen Vidakovic, Kai-Oliver Feldmann, Annegret Terheiden
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Patent number: 10100148Abstract: The present invention provides specific alkoxylation products, a process for preparing them, compositions which comprise these alkoxylation products, and the use thereof.Type: GrantFiled: October 23, 2014Date of Patent: October 16, 2018Assignee: Evonik Degussa GmbHInventors: Eva Emmrich-Smolczyk, Olga Fiedel, Mladen Vidakovic
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Publication number: 20180044463Abstract: The use of a mixture (M) comprising nitrogen compound(s) in the preparation of polyurethanes, especially polyurethane foams, wherein said mixture (M) comprises the following constituents: (a) N,N-dimethylaminopropylamine, at least in an amount of ?5% by weight, advantageously in an amount of ?20% by weight, preferably 20%-95% by weight, further preferably 30%-70% by weight, especially 30%-60% by weight, and (b) at least one solvent, especially water, advantageously in a total amount of ?5% by weight, preferably ?10% by weight, more preferably 10%-60% by weight, especially 10%-40% by weight, % by weight based in each case on the overall mixture (M), is described.Type: ApplicationFiled: March 18, 2016Publication date: February 15, 2018Inventors: Thomas Günther, Mladen Vidakovic, Collins Wettey
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Publication number: 20160304685Abstract: The invention relates to a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of pentaethylenehexamine, and also to correspondingly obtained polyurethane systems.Type: ApplicationFiled: October 23, 2014Publication date: October 20, 2016Inventors: Eva EMMRICH-SMOLCZYK, Olga FIEDEL, Mladen VIDAKOVIC
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Publication number: 20160304666Abstract: The present invention provides specific alkoxylation products, a process for preparing them, compositions which comprise these alkoxylation products, and the use thereof.Type: ApplicationFiled: October 23, 2014Publication date: October 20, 2016Inventors: Eva Emmrich-Smolczyk, Olga Fiedel, Mladen Vidakovic
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Patent number: 8802746Abstract: There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.Type: GrantFiled: May 31, 2011Date of Patent: August 12, 2014Assignee: Proprietect L.P.Inventors: Wen Wei Zhao, Mladen Vidakovic, Eugene Smeianu
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Patent number: 8735458Abstract: Aqueous cold-cure flexible foam stabilizer including the following components: a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.Type: GrantFiled: November 5, 2012Date of Patent: May 27, 2014Assignee: Evonik Goldschmidt GmbHInventors: Martin Glos, William Bunting, Harald Modro, Mladen Vidakovic
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Patent number: 8303843Abstract: The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises the following components a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.Type: GrantFiled: December 15, 2006Date of Patent: November 6, 2012Assignee: Evonik Goldschmidt GmbHInventors: Martin Glos, William Bunting, Harald Modro, Mladen Vidakovic
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Publication number: 20110306694Abstract: The invention relates to compositions comprising linear siloxanes, comprising only one further organically modified group in addition to the Si-alkyl substitution in the siloxane chain, wherein said group is bonded to a terminal silicon atom, and to the use thereof for producing polyurethane cold foams.Type: ApplicationFiled: December 14, 2009Publication date: December 15, 2011Applicant: Evonik Goldschmidt GmbHInventors: Martin Glos, Frauke Henning, Mladen Vidakovic
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Publication number: 20110257280Abstract: Aqueous cold-cure flexible foam siloxane formulations for use in the production of highly elastic cold-cure flexible polyurethane foams or for use in the production of cold-cure flexible foam activator solutions for highly elastic cold-cure polyurethane foams.Type: ApplicationFiled: November 23, 2009Publication date: October 20, 2011Applicant: Evonik Goldschmidt GmbHInventors: Martin Glos, Matthias Naumann, Mladen Vidakovic
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Publication number: 20110230577Abstract: There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.Type: ApplicationFiled: May 31, 2011Publication date: September 22, 2011Applicant: PROPRIETECT L.P.Inventors: WEN WEI ZHAO, MLADEN VIDAKOVIC, EUGENE SMEIANU
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Patent number: 7838566Abstract: The invention relates to a process for the preparation of polyurethane cold cure foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of from about 4800 to 6500 g/mol and at least 70% of primary hydroxyl groups and optionally contain fillers, and polyfunctional isocyanates, amine activators, crosslinking agents, tin catalysts, blowing agents and stabilizers, wherein the stabilizers used are compounds of the general formula (1) the proportion of siloxanes with N>9 being higher than 10% by weight and that with N>12 being equal to or higher than 5% by weight.Type: GrantFiled: October 17, 2006Date of Patent: November 23, 2010Assignee: Evonik Goldschmidt GmbHInventors: Martin Glos, Harald Modro, Mladen Vidakovic
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Publication number: 20080146688Abstract: The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises the following components a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.Type: ApplicationFiled: December 15, 2006Publication date: June 19, 2008Applicant: Goldschmidt GmbHInventors: Martin Glos, William Bunting, Harald Modro, Mladen Vidakovic
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Publication number: 20070208097Abstract: There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.Type: ApplicationFiled: May 8, 2007Publication date: September 6, 2007Applicant: Woodbridge Foam CorporationInventors: Wen Zhao, Mladen Vidakovic, Eugene Smeianu
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Publication number: 20070093565Abstract: The invention relates to a process for the preparation of polyurethane cold cure foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of from about 4800 to 6500 g/mol and at least 70% of primary hydroxyl groups and optionally contain fillers, and polyfunctional isocyanates, amine activators, crosslinking agents, tin catalysts, blowing agents and stabilizers, wherein the stabilizers used are compounds of the general formula (1) the proportion of siloxanes with N>9 being higher than 10% by weight and that with N>12 being equal to or higher than 5% by weight.Type: ApplicationFiled: October 17, 2006Publication date: April 26, 2007Applicant: Goldschmidt GmbHInventors: Martin Glos, Harald Modro, Mladen Vidakovic