Patents by Inventor Serkan Unal
Serkan Unal 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: 20240110058Abstract: A polymeric hybrid material with photothermal properties is provided. The polymeric hybrid material containing polydopamine and particles of at least one of the polymers that are homogeneously dispersed and stable in a basic aqueous medium, where the surfaces of said polymer particles are coated with polydopamine, and the particles of polyurethane are in a sub-micron scale.Type: ApplicationFiled: February 16, 2022Publication date: April 4, 2024Applicants: SABANCI UNIVERSITESI, SABANCI UNIVERSITESI NANOTEKNOLOJI ARASTIRMA VE UYGULAMA MERKEZI SUNUMInventors: Hayriye UNAL, Serkan UNAL, Cuneyt ERDINC TAS
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Publication number: 20240014441Abstract: A polyoxazoline-based electrolyte and a network formed by crosslinking of the electrolyte through its secondary amine groups with an epoxy resin are provided. The network is designed as a multifunctional energy storage system that is capable of transferring mobile lithium cations through the passageways present in its structure. The present invention also relates to a method that is used to obtain such a network and electrolyte.Type: ApplicationFiled: July 27, 2020Publication date: January 11, 2024Applicant: SABANCI ÜNIVERSITESIInventors: Leila Haghighi POUDEH, Mehmet YILDIZ, Yusuf Ziya MENCELOGLU, Bekir DIZMAN, Serkan UNAL
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Publication number: 20200207986Abstract: The invention relates to polyamide polymeric films comprising zwitterionic polysiloxane. The films of the invention may be used for providing high performance in the filtration applications.Type: ApplicationFiled: August 10, 2018Publication date: July 2, 2020Applicants: Sabanci Universitesi, Istanbul Teknik UniversitesiInventors: Yusuf Ziya MENCELOGLU, Serkan UNAL, Selda ERKOÇ iLTER, Ismail KOYUNCU, Jalal Al Din SHARABATI, Serkan GUCLU, Derya Yuksel IMER, Farzin SAFFARIMIANDOAB
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Patent number: 9332751Abstract: The present invention provides novel use of the polymeric films comprising halloysite nanotubes as a packaging material for food products. Said halloysite nanotubes are incorporated with active agents such as antibacterial agents preferably of natural type for providing antibacterial, barrier and ethylene scavenging properties.Type: GrantFiled: July 9, 2015Date of Patent: May 10, 2016Assignee: SABANCI UNIVERSITESIInventors: Hayriye Unal, Serkan Unal, Yusuf Ziya Menceloglu, Fevzi Cakmak Cebeci
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Publication number: 20160017128Abstract: A chemically multi-functional nanomaterial for use as binding agent in composite structures having at least two components chemically different from each other, wherein said chemically multi-functional nanomaterial is provided with a first functional group and at least a second functional group different from said first functional group, is proposed. Also two alternative methods for production of said chemically multi-functional nanomaterial is proposed. Further, a composite structure comprising said chemically multi-functional nanomaterial is proposed.Type: ApplicationFiled: May 11, 2015Publication date: January 21, 2016Inventors: Serkan ÜNAL, Mehmet YILDIZ
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Publication number: 20160007591Abstract: The present invention provides novel use of the polymeric films comprising halloysite nanotubes as a packaging material for food products. Said halloysite nanotubes are incorporated with active agents such as antibacterial agents preferably of natural type for providing antibacterial, barrier and ethylene scavenging properties.Type: ApplicationFiled: July 9, 2015Publication date: January 14, 2016Inventors: Hayriye Unal, Serkan Unal, Yusuf Ziya Menceloglu, Fevzi Cakmak Cebeci
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Publication number: 20140120353Abstract: Curable aqueous polyurethane polymer dispersions are described. The dispersion comprises a polyurethane copolymer having pendant (meth)acrylate groups and pendant carboxylic groups along the main chain and a tertiary aminofunctional unsaturated monomer that has reacted in an acid/base reaction with the carboxylic acid groups on the main chain. The dispersion can be applied to the surface of a substrate and cured using ultra-violet or electron-beam radiation to form a cured polyurethane having desired properties that does not emit volatile amine compounds.Type: ApplicationFiled: August 12, 2013Publication date: May 1, 2014Inventors: Richard R. Roesler, Lyubov K. Gindin, Serkan Unal, Peter D. Schmitt, Ronald M. Konitsney
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Patent number: 8647471Abstract: The present invention relates to a process for the production of sized and/or wet-strength papers, paperboards or cardboards, wherein an aqueous radiation-curable dispersion containing water and at least one polymer, characterized in that the polymer contains cationic groups, is mixed with suspended wood pulp and/or chemical pulp and this mixture is sieved, pressed, thermally dried and then radiation-cured, characterized in that the dispersion is employed in amounts, based on its non-aqueous content in relation to the solid content of the wood pulp and/or chemical pulp, of from 0.001 to 10 wt. %, the papers, paperboards and cardboards produced by this process, and compositions comprising suspended wood pulp and/or chemical pulp and an aqueous radiation-curable dispersion containing at least one polymer, characterized in that the polymer contains cationic groups.Type: GrantFiled: December 22, 2010Date of Patent: February 11, 2014Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Stefan Sommer, Erhard Luehmann, Serkan Unal, Micheal J. Dvorchak
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Publication number: 20130256605Abstract: Composite materials having a multi-wall carbon nanotube content of from 4 to 15% by weight, based on total weight of the composite, are produced from a dispersion of multi-wall carbon nanotubes (MWCNTs) and a fiber reinforcing material in a carrier fluid which is processed to form a shaped article that may then be infused with a liquid polymer or polymer-forming mixture to form the composite.Type: ApplicationFiled: March 29, 2012Publication date: October 3, 2013Applicant: Bayer MaterialScience LLCInventors: Usama E. Younes, Serkan Unal, Eric Giles, Joel Matsco
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Publication number: 20130216390Abstract: Carbon nanotube-reinforced composites are produced by incorporating up to 0.7% by weight of carbon nanotubes into a liquid polymeric material a polymeric material. The viscosity of the carbon nanotube-containing liquid polymeric is sufficiently low that it can be used in vacuum infusion and pultrusion processes to produce large articles such as wind turbine blades.Type: ApplicationFiled: February 20, 2012Publication date: August 22, 2013Applicant: Bayer MaterialScience LLCInventors: Usama Younes, Serkan Unal
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Publication number: 20130101540Abstract: The present disclosure is directed to aqueous dispersions comprising polyurethane and nanoparticles, and processes for preparing the aqueous dispersions. The dispersions comprise aqueous polyurethane dispersions having nanoparticles covalently incorporated into the polymer matrix. The dispersions are prepared by reacting isocyanate groups present on the polyurethane chain ends with free amine groups on a hydroxy- or amino-functionalized nanoparticle to covalently attach the polyurethane and the nanoparticle through urethane or urea linkages, respectively.Type: ApplicationFiled: October 21, 2011Publication date: April 25, 2013Applicant: Bayer MaterialScience LLCInventors: Serkan Unal, Yuliya Berezkin, Peter D. Schmitt, Karl W. Haider
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Publication number: 20120234204Abstract: The present invention provides a process for the production of functionalized carbon nanotubes. The inventive process for the production of functionalized carbon nanotubes involves reacting carboxylic acid moieties of oxidized carbon nanotubes with vapors of a compound containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The present invention also provides a composition made from a plastic resin and functionalized carbon nanotubes produced by reacting carboxylic acid moieties of oxidized carbon nanotubes with a vapor containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The inventive process is useful with single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes.Type: ApplicationFiled: March 17, 2011Publication date: September 20, 2012Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Serkan Unal, Robert N. Hunt, Heiko Hocke
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Publication number: 20120160437Abstract: The present invention relates to a process for the production of sized and/or wet-strength papers, paperboards or cardboards, wherein an aqueous radiation-curable dispersion containing water and at least one polymer, characterized in that the polymer contains cationic groups, is mixed with suspended wood pulp and/or chemical pulp and this mixture is sieved, pressed, thermally dried and then radiation-cured, characterized in that the dispersion is employed in amounts, based on its non-aqueous content in relation to the solid content of the wood pulp and/or chemical pulp, of from 0.001 to 10 wt. %, the papers, paperboards and cardboards produced by this process, and compositions comprising suspended wood pulp and/or chemical pulp and an aqueous radiation-curable dispersion containing at least one polymer, characterized in that the polymer contains cationic groups.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Stefan Sommer, Erhard Luehmann, Serkan Unal, Michael J. Dvorchak
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Patent number: 8114938Abstract: The invention relates to an aqueous polyurethane dispersion suitable for use in personal care products, the dispersed polyurethane comprising the reaction products of: A) a prepolymer according to the formula: wherein R1 represents a bivalent radical of a dihydroxyl functional compound, R2 represents a hydrocarbon radical of an aliphatic or cycloaliphatic polyisocyanate, R3 represents a radical of a low molecular weight diol, optionally substituted with ionic groups, n is from 0 to 5, and m is >1; B) at least one chain extender according to the formula: H2N—R4—NH2 wherein R4 represents an alkylene or alkylene oxide radical not substituted with ionic or potentially ionic groups; and C) at least one chain extender according to the formula: H2N—R5—NH2 wherein R5 represents an alkylene radical substituted with ionic or potentially ionic groups.Type: GrantFiled: September 26, 2008Date of Patent: February 14, 2012Assignee: Bayer MaterialScience LLCInventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Patent number: 8034322Abstract: The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols.Type: GrantFiled: October 8, 2008Date of Patent: October 11, 2011Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Publication number: 20090041689Abstract: The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols.Type: ApplicationFiled: October 8, 2008Publication date: February 12, 2009Applicant: Bayer MaterialScience LLCInventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Publication number: 20090022678Abstract: The invention relates to an aqueous polyurethane dispersion suitable for use in personal care products, the dispersed polyurethane comprising the reaction products of: A) a prepolymer according to the formula: wherein R1 represents a bivalent radical of a dihydroxyl functional compound, R2 represents a hydrocarbon radical of an aliphatic or cycloaliphatic polyisocyanate, R3 represents a radical of a low molecular weight diol, optionally substituted with ionic groups, n is from 0 to 5, and m is >1; B) at least one chain extender according to the formula: H2N—R4—NH2 wherein R4 represents an alkylene or alkylene oxide radical not substituted with ionic or potentially ionic groups; and C) at least one chain extender according to the formula: H2N—R5—NH2 wherein R5 represents an alkylene radical substituted with ionic or potentially ionic groups.Type: ApplicationFiled: September 26, 2008Publication date: January 22, 2009Inventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Patent number: 7452525Abstract: The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols.Type: GrantFiled: August 8, 2007Date of Patent: November 18, 2008Inventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Patent number: 7445770Abstract: The invention relates to an aqueous polyurethane dispersion suitable for use in personal care products, the dispersed polyurethane comprising the reaction products of: A) a prepolymer according to the formula: wherein R1 represents a bivalent radical of a dihydroxyl functional compound, R2 represents a hydrocarbon radical of an aliphatic or cycloaliphatic polyisocyanate, R3 represents a radical of a low molecular weight diol, optionally substituted with ionic groups, n is from 0 to 5, and m is >1; B) at least one chain extender according to the formula: H2N—R4—NH2 wherein R4 represents an alkylene or alkylene oxide radical not substituted with ionic or potentially ionic groups; and C) at least one chain extender according to the formula: H2N—R5—NH2 wherein R5 represents an alkylene radical substituted with ionic or potentially ionic groups.Type: GrantFiled: March 14, 2007Date of Patent: November 4, 2008Assignee: Bayer MaterialScience LLCInventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
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Publication number: 20080226569Abstract: The invention relates to an aqueous polyurethane dispersion suitable for use in personal care products, the dispersed polyurethane comprising the reaction products of: A) a prepolymer according to the formula: wherein R1 represents a bivalent radical of a dihydroxyl functional compound, R2 represents a hydrocarbon radical of an aliphatic or cycloaliphatic polyisocyanate, R3 represents a radical of a low molecular weight diol, optionally substituted with ionic groups, n is from 0 to 5, and m is >1; B) at least one chain extender according to the formula: H2N—R4—NH2 wherein R4 represents an alkylene or alkylene oxide radical not substituted with ionic or potentially ionic groups; and C) at least one chain extender according to the formula: H2N—R5—NH2 wherein R5 represents an alkylene radical substituted with ionic or potentially ionic groups.Type: ApplicationFiled: March 14, 2007Publication date: September 18, 2008Inventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal