Patents by Inventor Georg Stoppelmann
Georg Stoppelmann 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: 20180155545Abstract: Disclosed are polyamide moulding compounds having a relative permittivity of no more than 3.5 at 2.45 GHz, and having the following components: (A) 25 to 80% by weight of a mixture made of at least one partially crystalline aliphatic polyamide and at least one amorphous or microcrystalline polyamide, (B) 20 to 65% by weight of at least one glass filler, and (C) 0 to 10% by weight of additives, the sum of components (A), (B) and (C) producing 100% by weight. The polyamide moulding compounds are for use in components of devices such as laptops and mobile phones.Type: ApplicationFiled: November 29, 2017Publication date: June 7, 2018Applicant: EMS-PATENT AGInventors: Georg STÖPPELMANN, Philipp HARDER, Etienne AEPLI, Ronny EBLING
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Patent number: 9950499Abstract: A layer structure having at least one metal element and at least one polyamide layer arranged at least regionally on the metal element, the structure preferably comprising an insulated electrical conductor wherein The polyamide layer consists of a polyamide molding composition consisting of the following components: (a) a polyamide based on cycloaliphatic diamines or cycloaliphatic dicarboxylic acids having a glass transition temperature (Tg) of at 130° C.; (b) a polyolefin based on C2-C12 alkenes, and additionally on at least one monomer selected from the following group: maleic anhydride, itaconic anhydride, glycidyl acrylate, butene, propylene, glycidyl methacrylate, acrylic acid, methacrylic acid, vinyl acetate, C1-C12 alkyl (meth)acrylates, substituted or unsubstituted styrene, or a mixture of such monomers; (c) optionally an aliphatic polyamide different from (a), or a mixture of such polyamides; (d) optionally additives.Type: GrantFiled: November 19, 2015Date of Patent: April 24, 2018Assignee: EMS-PATENT AGInventors: Georg Stoppelmann, Gabriel Garcia
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Patent number: 9815968Abstract: A thermoplastic moulding composition, in particular a polyamide moulding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibers, selected from: glass fibres (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibres (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibres, different from glass fibres of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous tillers, different from fibres of (B1) and (B2), not based on glass, and selected from the group: carbon fibres, graphite fibres, aramid fibres, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.Type: GrantFiled: May 31, 2016Date of Patent: November 14, 2017Assignee: EMS-PATENT AGInventors: Georg Stoppelmann, Sabine Bertram, Mark Pfleghar
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Publication number: 20170275459Abstract: A polyamide moulding compound consisting of the following components (A)-(E): (A) 40-70 wt. % of at least one partially crystalline, partially aromatic polyamide, made up of: (a1) 60 to 75 wt. % of 6T units, formed from 1,6-hexanediamine and terephthalic acid; (a2) 20 to 35 wt. % of 6I units, formed from 1,6-hexanediamine and isophthalic acid; (a3) 3 to 15 wt. % of 612 units, formed from 1,6-hexanediamine and dodecanedioic acid; and (a4) 0 to 5 wt. % of one of the following units: 66 units, formed from 1,6-hexanediamine and adipic acid; 68 units, formed from 1,6-hexane-diamine and suberic acid; 69 units formed from 1,6-hexanediamine and azelaic acid; 610 units formed from 1,6-hexanediamine and sebacic acid; 6 units formed from ?-caprolactam; or a mixture of such units; wherein the sum of the components (a1) to (a4) makes up 100 wt. % of the polyamide (A); (B) 30-60 wt. % of fibrous reinforcing materials; (C) 0-30 wt. % of particulate fillers different from (B), (D) and (E); (D) 0-2.0 wt.Type: ApplicationFiled: March 22, 2017Publication date: September 28, 2017Applicant: EMS-PATENT AGInventors: Manfred HEWEL, Georg STOPPELMANN, Oliver THOMAS, Nikolai LAMBERTS
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Publication number: 20170137609Abstract: The present invention relates to polyketone moulding compounds based on partially crystalline, aliphatic polyketones. In particular, it relates to fibre-reinforced moulding compounds based on aliphatic polyketones which preferably comprise small quantities of phosphinic acid or the salts thereof. The moulding compounds are distinguished by improved mechanical properties and good processability in injection moulding. These moulding compounds are suitable for the production of in particular thin-walled moulded articles for the electrical and electronics industry, such as for example housings, housing components or connectors.Type: ApplicationFiled: November 11, 2016Publication date: May 18, 2017Applicant: EMS-PATENT AGInventor: Georg STÖPPELMANN
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Publication number: 20170137608Abstract: The present invention relates to polyketone moulding compounds based on partially crystalline, aliphatic polyketones. In particular, it relates to halogen-free, flameproof moulding compounds based on aliphatic polyketones which preferably comprise salts of phosphinic acids as flame retardant. The moulding compounds fulfil the fire protection classification V0 according to UL94 and display good mechanical properties. These moulding compounds are suitable for the production of in particular thin-walled moulded articles for the electrical and electronics industry, such as for example housings, housing components or connectors.Type: ApplicationFiled: November 11, 2016Publication date: May 18, 2017Applicant: EMS-PATENT AGInventor: Georg STÖPPELMANN
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Publication number: 20170107337Abstract: The present invention relates to reinforced polyamide molding materials with high notch impact strengths, comprising low viscous polyamides and flat glass fibers as a reinforcing medium, characterized in a polyamide matrix.Type: ApplicationFiled: December 27, 2016Publication date: April 20, 2017Applicant: EMS-CHEMIE AGInventors: Georg STOPPELMANN, Ornulf REXIN, Volker EICHHORN
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Publication number: 20170058123Abstract: The invention relates to a polyamide moulding compound consisting of an amorphous, microcrystalline or partially crystalline polyamide or mixtures hereof, at least one impact modifier, hollow glass balls and also further additives. The invention likewise relates to moulded articles produced from this polyamide moulding compound.Type: ApplicationFiled: August 31, 2016Publication date: March 2, 2017Applicant: EMS-PATENT AGInventors: Martin SÜTTERLIN, Georg STÖPPELMANN, Ralf HALA, Ulrich PRESENZ
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Publication number: 20170037198Abstract: Polyamide moulding composition in particular for railway applications consisting of: (A) from 50 to 90% by weight of a polyamide matrix consisting of (A1) polyamide 12 and optionally (A2) up to 85% by weight of polyamide elastomer based on polyamide 12; (B) from 7 to 28% by weight of flame retardant consisting of (B1) at least one metal phosphinate, and also optionally (B2) up to 40% of a nitrogen-containing synergist and/or at least one nitrogen- and phosphorus-containing flame retardant; (C) from 3 to 15% by weight of plasticizer; (D) from 0 to 15% by weight polyolefin; (E) from 0 to 10% by weight of additives and/or particulate fillers, with exclusion of fibrous reinforcing materials; where the entirety of (C) and (D) is from 3 to 20% by weight, based on the entire moulding composition, and where the entirety of (A) to (E) provides 100% by weight.Type: ApplicationFiled: July 29, 2016Publication date: February 9, 2017Applicant: EMS-PATENT AGInventors: Andreas BAYER, Georg STOPPELMANN
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Publication number: 20160272788Abstract: A thermoplastic moulding composition, in particular a polyamide moulding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibres, selected from: glass fibres (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibres (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibres, different from glass fibres of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous tillers, different from fibres of (B1) and (B2), not based on glass, and selected from the group: carbon fibres, graphite fibres, aramid fibres, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.Type: ApplicationFiled: May 31, 2016Publication date: September 22, 2016Applicant: EMS-PATENT AGInventors: Georg STOPPELMANN, Sabine BERTRAM, Mark PFLEGHAR
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Publication number: 20160172074Abstract: A layer structure having at least one metal element and at least one polyamide layer arranged at least regionally on the metal element, the structure preferably comprising an insulated electrical conductor wherein The polyamide layer consists of a polyamide moulding composition consisting of the following components: (a) a polyamide based on cycloaliphatic diamines or cycloaliphatic dicarboxylic acids having a glass transition temperature (Tg) of at 130° C.; (b) a polyolefin based on C2-C12 alkenes, and additionally on at least one monomer selected from the following group: maleic anhydride, itaconic anhydride, glycidyl acrylate, butene, propylene, glycidyl methacrylate, acrylic acid, methacrylic acid, vinyl acetate, C1-C12 alkyl (meth)acrylates, substituted or unsubstituted styrene, or a mixture of such monomers; (c) optionally an aliphatic polyamide different from (a), or a mixture of such polyamides; (d) optionally additives.Type: ApplicationFiled: November 19, 2015Publication date: June 16, 2016Applicant: EMS-PATENT AGInventors: Georg STOPPELMANN, Gabriel GARCIA
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Publication number: 20150175803Abstract: A description is given of thermoplastic, white-pigmented plastics moulding compositions having improved mechanical properties, especially for LDS applications. The thermoplastic moulding composition consists of: (A) 20-88 wt % of a mixture consisting of (A1) 60-100 wt % of a thermoplastic (A2) 0-40 wt % of a mixture of (A2_1) 0-40 wt % of a thermoplastic other than (A1); (A2_2) 0-40 wt % of impact modifiers other than (A1) and (A2_1); (B) 10-70 wt % of fibrous adjuvants; (C) 0.1-10 wt % of an LDS additive or of a mixture of LDS additives, at least one LDS additive being selected from the following group: metal oxide based on copper, neodymium, molybdenum, bismuth, antimony or tin, with the proviso that spinels are excluded; metal phosphate; metal hydroxide phosphate; (D) 0.1-20 wt % of white pigment; (E) 0-20 wt % of particulate filler other than C and/or D; (F) 0-2 wt % of further, different additives; a the sum of (A)-(F) making up 100 wt %.Type: ApplicationFiled: December 16, 2014Publication date: June 25, 2015Applicant: EMS-PATENT AGInventor: Georg STOPPELMANN
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Publication number: 20150005426Abstract: A thermoplastic moulding composition, in particular a polyamide moulding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibres, selected from: glass fibres (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibres (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibres, different from glass fibres of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous fillers, different from fibres of (B1) and (B2), not based on glass, and selected from the group: carbon fibres, graphite fibres, aramid fibres, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.Type: ApplicationFiled: September 19, 2014Publication date: January 1, 2015Applicant: EMS-PATENT AGInventors: Georg STOPPELMANN, Sabine BERTRAM, Mark PFLEGHAR
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Patent number: 8865821Abstract: A thermoplastic molding composition, in particular a polyamide molding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibers, selected from: glass fibers (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibers (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibers, different from glass fibers of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous fillers, different from fibers of (B1) and (B2), not based on glass, and selected from the group: carbon fibers, graphite fibers, aramid fibers, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.Type: GrantFiled: April 30, 2013Date of Patent: October 21, 2014Assignee: EMS-Patent AGInventors: Georg Stoppelmann, Sabine Bertram, Mark Pfleghar
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Publication number: 20140066561Abstract: This invention describes a thermoplastic moulding compound, specifically a polyamide moulding compound, consisting of: (A) 20-88% by weight thermoplastic synthetic, preferably polyamide; (B) 10-70% by weight fibre-shaped aggregates; (B1) 10-70% by weight glass fibres that consist primarily of silicon dioxide, aluminium oxide, and magnesium oxide; (B2) 0-20% by weight glass fibres that differ from the fibres in components (B1); (B3) 0-20% by weight additional fibre-shaped aggregates that differ from the fibres in components (B1) and (B2), are not based on glass, and are selected from the following group: carbon fibres, graphite fibres, aramide fibres, nanotubes; (C) 2-40% by weight particulate filler material; (D) 0-2% by weight additives; whereby the sum of (A) through (D) equals 100% weight.Type: ApplicationFiled: August 15, 2013Publication date: March 6, 2014Applicant: EMS-PATENT AGInventors: Mark PFLEGHAR, Georg STOPPELMANN, Philipp HARDER, Nikolai LAMBERTS
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Publication number: 20140066560Abstract: A thermoplastic moulding composition, in particular a polyamide moulding composition, consisting of, by weight: (A) 20-88%—thermoplastic material; (B) 10-60%—fibrous fillers, formed from (B1) 10-60%—glass fibres, selected from: glass fibres (B1_1) with a non-circular cross section, wherein the axis ratio of the main cross-sectional axis to the secondary cross-sectional axis is at least 2; high-strength glass fibres (B1_2) with a glass composition (substantially SiO2, AlO, and MgO; or mixtures thereof; (B2) 0-20%—glass fibres, different from glass fibres of component (B1) and have a circular cross section; and (B3) 0-20%—further fibrous fillers, different from fibres of (B1) and (B2), not based on glass, and selected from the group: carbon fibres, graphite fibres, aramid fibres, nanotubes; (C) 2-10%—LDS additive or a mixture of LDS additives; (D) 0-30%—particulate filler; (E) 0-2%—further, different additives; the sum of (A)-(E) is 100% by weight.Type: ApplicationFiled: April 30, 2013Publication date: March 6, 2014Applicant: EMS-PATENT AGInventors: Georg STOPPELMANN, Sabine BERTRAM, Mark PFLEGHAR
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Patent number: 8604120Abstract: The invention relates to a polyamide moulding compound for producing moulded articles with a soft-touch surface, the polyamide moulding compound comprising a blend of an amine-terminated, amorphous polyamide and styrene-ethylene/butylene-styrene copolymer and also styrene-ethylene/butylene-styrene copolymer grafted with maleic anhydride. The invention relates furthermore to moulded articles which are produced with this moulding compound and the use thereof.Type: GrantFiled: July 20, 2011Date of Patent: December 10, 2013Assignee: EMS-Patent AGInventors: Georg Stoppelmann, Botho Hoffmann
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Patent number: 8586662Abstract: The invention relates to filled polyamide molding compounds which, in addition to a selected polymer mixture comprising two different polyamides, contain long glass fibers with a non-circular cross-sectional area. Furthermore, the invention relates to the use of such molding compounds for the production of molded articles and the molded articles themselves.Type: GrantFiled: November 12, 2008Date of Patent: November 19, 2013Assignee: EMS-Patent AGInventors: Philipp Harder, Jean-Jacques Linster, Georg Stoppelmann
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Patent number: 8349941Abstract: The invention relates to a specific and novel use of a molding compound having the following constituents: (A) between 30 and 100 wt. % of a polyamide mixture containing (A1) between 50 and 95 wt. % of an aliphatic, partially crystalline homopolyamide or copolyamide or a mixture of such polyamides, and (A2) between 5 and 50 wt. % of a transparent homopolyamide or copolyamide or a mixture of such polyamides; and (B) between 0 and 70 wt. % of filling and reinforcing materials, and optionally auxiliary materials and additives. According to the invention, the molding compound can be used to produce a molded part for drinking water, especially a container or a line, in which, depending on the use, at least some regions of the processed molding compound are essentially directly exposed to the drinking water.Type: GrantFiled: October 22, 2008Date of Patent: January 8, 2013Assignee: EMS-Patent AGInventor: Georg Stoppelmann
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Patent number: 8183318Abstract: The invention relates to a polyamide molding compound consisting of the following constituents: (A) between 25 and 70 wt. % of an aliphatic polyamide selected from the group PA1010, PA1012, PA1014, PA1210, PA1212, PA1214, PA12 and PA11, or a mixture of at least two of said systems; (B) between 8 and 35 wt. % of a transparent polyamide selected from the group MACM9-36, MACM9-36/PACM9-36, MACMI/12, MACMI/MACMT/12, or a mixture of at least two of said systems; (C) between 10 and 60 wt. % of reinforcing materials; (D) between 0 and 30 wt. % of particulate and/or layered filling materials; and (E) between 0 and 5 wt. % of auxiliary materials and/or additives, the sum of the constituents (A)-(E) amounting to 100 wt. %. Fibers are used at least partially as reinforcing materials (C), the cross-sectional surface of the fibers being either circular or the dimensional ratio of the main cross-sectional axis to the secondary cross-sectional axis being below 2.Type: GrantFiled: October 22, 2008Date of Patent: May 22, 2012Assignee: EMS-Patent AGInventor: Georg Stoppelmann