Patents by Inventor Norbert Effen
Norbert Effen 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: 11401373Abstract: The invention relates to a continuous process for producing an aliphatic polyester constructed from aliphatic dicarboxylic acids and aliphatic diols comprising the steps of a) esterification, b) polycondensation and optionally c) chain extension, characterized in that during step b) in which the polycondenser functions as a degassing apparatus (B) and/or b?) after the polycondensation in an additional degassing apparatus (B?) the crude polyester is degassed at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester of water, introduced into the gas space of the degassing apparatus B and/or B? as an entraining agent.Type: GrantFiled: November 15, 2018Date of Patent: August 2, 2022Assignee: BASF SEInventors: Maximilian Lehenmeier, Norbert Effen, Gabriel Skupin
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Patent number: 11401413Abstract: The present invention relates to an injection molded article comprising: i) 27% to 87% by weight based on the total weight of the components i to iv of a polyester constructed from aliphatic dicarboxylic acids and aliphatic diols; ii) 3% to 15% by weight based on the total weight of the components i to iv of an aliphatic-aromatic polyester comprising: ii-a) 30 to 70 mol % based on the components ii-a to ii-b of a C6-C18-dicarboxylic acid; ii-b) 30 to 70 mol % based on the components ii-a to ii-b of terephthalic acid; ii-c) 99 to 100 mol % based on the components ii-a to ii-b of 1,3-propanediol or 1,4-butanediol; ii-d) 0% to 1% by weight based on the components ii-a to ii-c of a chain extender and/or branching agent; iii) 0% to 35% by weight based on the total weight of the components i to iv of polylactic acid; iv) 10% to 35% by weight based on the total weight of the components i to iv of at least one surface-modified silicate selected from the group consisting of: kaolin, muscovite, montmorillonite, talType: GrantFiled: August 9, 2018Date of Patent: August 2, 2022Assignee: BASF SEInventors: Maximilian Lehenmeier, Martin Bussmann, Norbert Effen, Johannes Klaus Sprafke, Gabriel Skupin
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Publication number: 20220195113Abstract: The present invention relates to a continuous process for purifying an aliphatic-aromatic polyester constructed from aliphatic dicarboxylic acids, aromatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.Type: ApplicationFiled: May 19, 2020Publication date: June 23, 2022Inventors: Timo Benjamin WITT, Norbert EFFEN, Jerome LOHMANN, Motonori YAMAMOTO, Andreas KUENKEL
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Patent number: 11319407Abstract: The present invention relates to a continuous process for purifying a chain-extended aliphatic polyester constructed from aliphatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.Type: GrantFiled: November 15, 2018Date of Patent: May 3, 2022Assignee: BASF SEInventors: Maximilian Lehenmeier, Norbert Effen, Gabriel Skupin, Rainer Naef
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Publication number: 20220119598Abstract: The present invention relates to a single-stage process for the production of starch blends in a twin-screw extruder or two twin-screw extruders arranged in series, where i) the starch, together with a plasticizer, passes through a wetting section of length 8D to 30D in an extruder or in a wetting section of length 8D to 80D if two extruders are used at temperatures below the gelatinization temperature of the starch, with mixing, where D is defined as the screw diameter of the screw cylinder and the wetting section is defined as starting at that point on the extruder screw at which the starch and the entire or partial quantity of plasticizer encounter one another and ending at that point in the extruder at which the starch is gelatinized and is digested to give thermoplastic starch; ii) in a plastifying section of length 10D to 50D the extruder temperature is adjusted stepwise to above 130° C.Type: ApplicationFiled: January 27, 2020Publication date: April 21, 2022Inventors: Robert LOOS, Norbert EFFEN, Nora SCHLUTT, Carsten SINKEL, Joerg AUFFERMANN
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Publication number: 20220033645Abstract: The present invention relates to a process for producing a (co)polyester, wherein the (co)polyester at least partially consists of 1,4-butylene dicarboxylate units, in a degassing plant, wherein the crude (co)polyester is degassed in the presence of 0.1% to 5% by weight, based on the total weight of the input materials, of an entraining agent at a pressure between 5 to 300 mbar.Type: ApplicationFiled: December 5, 2019Publication date: February 3, 2022Inventors: Jerome LOHMANN, Maximilian LEHENMEIER, Norbert EFFEN, Martin BUSSMANN, Michael Bernhard SCHICK, Timo Benjamin WITT
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Publication number: 20210155792Abstract: The present invention relates to an injection molded article comprising: i) 30% to 90% by weight based on the total weight of the components i to iii of a biodegradable polyester comprising: i-a) 90 to 100 mol % based on the components a to b of succinic acid; i-b) 0 to 10 mol % based on the components a to b of one or more C6-C20 dicarboxylic acids; i-c) 99 to 100 mol % based on the components a to b of 1,3-propanediol or 1,4-butanediol; i-d) 0% to 1% by weight based on the components a to c of a chain extender and/or branching agent; ii) 0% to 35% by weight based on the total weight of the components i to iii of polylactic acid; iii) 10% to 35% by weight based on the total weight of the components i to iii of at least one methacryloylsilane- or vinylsilane-modified silicate selected from the group consisting of: kaolin, muscovite, montmorillonite, talc and wollastonite.Type: ApplicationFiled: August 9, 2018Publication date: May 27, 2021Inventors: Maximilian LEHENMEIER, Martin BUSSMANN, Norbert EFFEN, Johannes Klaus SPRAFKE, Gabriel SKUPIN
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Publication number: 20200376822Abstract: The invention relates to a biodegradable three-layer polyester film of 8 to 20 ?m in thickness having a layer construction NB/C or preferably A/B/A, wherein the two outer layers (A) or (A, C) are composed of: Ai) 55% to 99.99% by weight based on the polyester mixture of the outer layers of a polyester selected from the group consisting of: polybutylene sebacate-co-terephthalate, polybutylene sebacate-co-adipate-co-terephthalate, polybutylene sebacate-co-succinate-co-terephthalate or mixtures thereof or a mixture of polybutylene sebacate-co-terephthalate and polybutylene adipate-co-terephthalate; Aii) 0.01% to 5% by weight based on the polyester mixture of the outer layers of at least one additive selected from the group consisting of: a wax, a plasticizer, a nucleating agent, antifogging agents, fillers and an antiblocking agent; and Aiii) 0% to 44.Type: ApplicationFiled: April 5, 2018Publication date: December 3, 2020Inventors: Robert LOOS, Joerg AUFFERMANN, Norbert EFFEN, Nora SCHLUTT, Carsten SINKEL, Jerome LOHMANN, Gabriel SKUPIN, Andreas KUENKEL
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Publication number: 20200362101Abstract: The invention relates to a continuous process for producing an aliphatic polyester constructed from aliphatic dicarboxylic acids and aliphatic diols comprising the steps of a) esterification, b) polycondensation and optionally c) chain extension, characterized in that during step b) in which the polycondenser functions as a degassing apparatus (B) and/or b?) after the polycondensation in an additional degassing apparatus (B?) the crude polyester is degassed at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester of water, introduced into the gas space of the degassing apparatus B and/or B? as an entraining agent.Type: ApplicationFiled: November 15, 2018Publication date: November 19, 2020Inventors: Maximilian LEHENMEIER, Norbert EFFEN, Gabriel SKUPIN
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Publication number: 20200362103Abstract: The present invention relates to a continuous process for purifying a chain-extended aliphatic polyester constructed from aliphatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.Type: ApplicationFiled: November 15, 2018Publication date: November 19, 2020Inventors: Maximilian LEHENMEIER, Norbert EFFEN, Gabriel SKUPIN, Rainer NAEF
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Publication number: 20200255655Abstract: The present invention relates to an injection molded article comprising: i) 27% to 87% by weight based on the total weight of the components i to iv of a polyester constructed from aliphatic dicarboxylic acids and aliphatic diols; ii) 3% to 15% by weight based on the total weight of the components i to iv of an aliphatic-aromatic polyester comprising: ii-a) 30 to 70 mol % based on the components ii-a to ii-b of a C6-C18-dicarboxylic acid; ii-b) 30 to 70 mol % based on the components ii-a to ii-b of terephthalic acid; ii-c) 99 to 100 mol % based on the components ii-a to ii-b of 1,3-propanediol or 1,4-butanediol; ii-d) 0% to 1% by weight based on the components ii-a to ii-c of a chain extender and/or branching agent; iii) 0% to 35% by weight based on the total weight of the components i to iv of polylactic acid; iv) 10% to 35% by weight based on the total weight of the components i to iv of at least one surface-modified silicate selected from the group consisting of: kaolin, muscovite, montmorillonite, talType: ApplicationFiled: August 9, 2018Publication date: August 13, 2020Inventors: Maximilian LEHENMEIER, Martin BUSSMANN, Norbert EFFEN, Johannes Klaus SPRAFKE, Gabriel SKUPIN
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Patent number: 9732210Abstract: The present invention relates to a process for the production of thermoplastic molding compositions, in particular styrene copolymer compositions, to a process for production of these, and also to use thereof. The thermoplastic molding compositions produced by a process of the invention offer improved temperature-resistance and mechanical properties, which have better flow properties than known molding compositions.Type: GrantFiled: March 19, 2013Date of Patent: August 15, 2017Assignee: INEOS STYROLUTION EUROPE GMBHInventors: Leonie Felicitas Sperling, Norbert Effen, Norbert Niessner, Luc Gysels, Achim Datko
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Publication number: 20150087765Abstract: The present invention relates to a process for the production of thermoplastic molding compositions, in particular styrene copolymer compositions, to a process for production of these, and also to use thereof.Type: ApplicationFiled: March 19, 2013Publication date: March 26, 2015Inventors: Leonie Felicitas Sperling, Norbert Effen, Norbert Niessner, Luc Gysels, Achim Datko
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Publication number: 20090039557Abstract: A process is proposed for production of low-emission moldings for continuous operating temperatures >50° C. composed of a thermoplastic molding composition comprising A) from 10 to 99.9% by weight of polybutylene terephthalate or a mixture thereof with polyethylene terephthalate and/or polypropylene terephthalate, B) from 0.1 to 50% by weight of at least one terpolymer obtainable from b1) at least one vinylaromatic monomer, b2) at least one C1-C4-alkyl (meth)acrylate or (meth)acrylonitrile, and b3) from 0.Type: ApplicationFiled: February 1, 2007Publication date: February 12, 2009Applicant: BASF SEInventors: Rainer Klenz, Norbert Effen, Mark Volkel, Andreas Eipper, Jens Assmann, Michael Dahlke
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Publication number: 20080230938Abstract: The invention relates to moldings, comprising a composite layered sheet or composite layered film, reverse-coated with a backing layer of plastic applied by an injection-molding, foaming, casting, or compression-molding method, where the composite layered sheet or composite layered film comprises (1) a substrate layer comprising, based on the total of the amounts of components A and B, and, if appropriate, C and/or D, which give 100% by weight in total, a from 1 to 99% by weight of an elastomeric graft copolymer as component A, b from 1 to 99% by weight of one or more hard copolymers containing units which derive from vinylaromatic monomers, as component B, c from 0 to 80% by weight of polycarbonates, as component C, and d from 0 to 50% by weight of fibrous or particulate fillers, or a mixture of these, as component D, and (3) a top layer composed of aliphatic thermoplastic polyurethane.Type: ApplicationFiled: January 27, 2005Publication date: September 25, 2008Applicant: BASF AktiengesellschaftInventors: Achim Grefenstein, Steffen Funkhauser, Herbert Fisch, Norbert Effen