Patents by Inventor Sonja Bollmann
Sonja Bollmann 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: 8999086Abstract: A molding compound for joining two moldings each made of a PA11 and/or PA12 molding compound contains at least 50% by weight of a polyamide component so chosen that it is preparable from linear aliphatic diamines and dicarboxylic acids and/or lactams or ?-aminocarboxylic acids, there being 11 to 12 carbon atoms present per carboxamide group in the repeating units, and, furthermore, this polyamide component containing not more than 80% by weight of either one of the polyamides PA11 and PA12. With this compound a firm weld is obtained both to a PA11 molding and to a PA12 molding.Type: GrantFiled: August 13, 2008Date of Patent: April 7, 2015Assignee: Evonik Degussa GmbHInventors: Sonja Bollmann, Rainer Goering, Franz-Erich Baumann, Andreas Dowe, Vera Schiemann
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Patent number: 8647551Abstract: A process for producing moldings with condensing-up of a polyamide molding composition whose polyamide component contains, as a result of the method of preparation, at least 5 ppm of phosphorus in the form of an acidic compound by means of a compound having at least two carbonate units, wherein a) from 0.001 to 10% by weight, based on the polyamide, of a salt of a weak acid is added to the polyamide molding composition prior to compounding or during compounding, b) a mixture of the finished composition and the compound having at least two carbonate units is prepared, c) the mixture is, if appropriate, stored and/or transported and d) the mixture is subsequently processed to produce the molding, with the condensing-up occurring only in this step, effects a significant increase in the melt stiffness combined with moderate processing pressures, which considerably simplifies, in particular, the production of hollow bodies and hollow profiles having large diameters.Type: GrantFiled: February 15, 2006Date of Patent: February 11, 2014Assignee: Evonik Degussa GmbHInventors: Andreas Dowe, Rainer Goering, Martin Himmelmann, Sonja Bollmann, Franz-Erich Baumann, Roland Wursche
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Publication number: 20140037937Abstract: A film whose outer layer is composed of a molding composition which is in essence composed of the following components: a) from 3 to 50% by weight of a polyamide, selected from the group of PA11 and PA12, and b) from 50 to 97% by weight of a polyamide, selected from the group of PA1012 and PA1212, where the percentages are based on the entirety of components a) and b), is suitable for decoration of moldings which retain their gloss during their service time.Type: ApplicationFiled: October 10, 2013Publication date: February 6, 2014Applicant: EVONIK DEGUSSA GmbHInventors: Roland Wursche, Sonja Bollmann, Harald Haeger, Martin Wielpuetz, Kirsten Alting, Michael Beyer, Franz-Erich Baumann
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Patent number: 8614005Abstract: A film whose outer layer is composed of a molding composition which is in essence composed of the following components: a) from 3 to 50% by weight of a polyamide, selected from the group of PA11 and PA12, and b) from 50 to 97% by weight of a polyamide, selected from the group of PA1012 and PA1212, where the percentages are based on the entirety of components a) and b), is suitable for decoration of moldings which retain their gloss during their service time.Type: GrantFiled: December 21, 2011Date of Patent: December 24, 2013Assignee: Evonik Degussa GmbHInventors: Roland Wursche, Sonja Bollmann, Harald Haeger, Martin Wielpuetz, Kirsten Alting, Michael Beyer, Franz-Erich Baumann
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Patent number: 8580899Abstract: A process for producing moldings with condensing-up of a polyamide molding composition by means of a compound having at least two carbonate units, wherein a) a polyamide molding composition is made available, b) a mixture of the polyamide molding composition and the compound having at least two carbonate units is prepared, c) the mixture is, if appropriate, stored and/or transported and d) the mixture is subsequently processed to produce the molding, with the condensing-up occurring only in this step, and the molding is a hollow body or hollow profile having an external diameter of at least 30 mm and a wall thickness of at least 1 mm, effects a significant increase in the melt stiffness combined with moderate processing presssures, which considerably simplifies the production of these moldings.Type: GrantFiled: February 15, 2006Date of Patent: November 12, 2013Assignee: Evonik Degussa GmbHInventors: Andreas Dowe, Rainer Goering, Sonja Bollmann, Franz-Erich Baumann
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Patent number: 8535811Abstract: A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.Type: GrantFiled: June 1, 2011Date of Patent: September 17, 2013Assignee: Evonik Degussa GmbHInventors: Kirsten Luetzeler, Franz-Erich Baumann, Sonja Bollmann, Andreas Dowe, Roland Wursche, Georg Schaefer
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Patent number: 8357455Abstract: The invention relates to the use of a molding composition which comprises at least 50% by weight of a copolyamide, which is composed of the following monomer combination: a) from 65 to 99 mol % of a substantially equimolar mixture composed of an unbranched aliphatic diamine having from 6 to 18 carbon atoms and of an unbranched aliphatic dicarboxylic acid having from 6 to 18 carbon atoms, ?where the mixture composed of diamine and dicarboxylic acid comprises an average of from 8 to 12 carbon atoms, b) from 1 to 35 mol % of a substantially equimolar mixture composed of a cycloaliphatic diamine having from 8 to 20 carbon atoms and of a dicarboxylic acid having from 6 to 18 carbon atoms, for production of a printable or printed item, such as a ski topcoat.Type: GrantFiled: November 9, 2005Date of Patent: January 22, 2013Assignee: Evonik Degussa GmbHInventors: Franz-Erich Baumann, Roland Wursche, Harald Häger, Sonja Bollmann, Kirsten Alting
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Publication number: 20120094116Abstract: A film whose outer layer is composed of a molding composition which is in essence composed of the following components: a) from 3 to 50% by weight of a polyamide, selected from the group of PA11 and PA12, and b) from 50 to 97% by weight of a polyamide, selected from the group of PA1012 and PA1212, where the percentages are based on the entirety of components a) and b), is suitable for decoration of moldings which retain their gloss during their service time.Type: ApplicationFiled: December 21, 2011Publication date: April 19, 2012Applicant: EVONIK DEGUSSA GmbHInventors: Roland WURSCHE, Sonja Bollmann, Harald Häger, Martin Wielpütz, Kirsten Alting, Michael Beyer, Franz-Erich Baumann
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Publication number: 20110244209Abstract: A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.Type: ApplicationFiled: June 1, 2011Publication date: October 6, 2011Applicant: DEGUSSA AGInventors: Kirsten Luetzeler, Franz-Erich Baumann, Sonja Bollmann, Andreas Dowe, Roland Wursche, Georg SCHÄFER
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Publication number: 20110217559Abstract: A moulding compound for joining two mouldings each made of a PA11 and/or PA12 moulding compound contains at least 50% by weight of a polyamide component so chosen that it is preparable from linear aliphatic diamines and dicarboxylic acids and/or lactams or ?-aminocarboxylic acids, there being 11 to 12 carbon atoms present per carboxamide group in the repeating units, and, furthermore, this polyamide component containing not more than 80% by weight of either one of the polyamides PA11 and PA12. With this compound a firm weld is obtained both to a PA11 moulding and to a PA12 moulding.Type: ApplicationFiled: August 13, 2008Publication date: September 8, 2011Applicant: Evonik Degussa GmbhInventors: Sonja Bollmann, Rainer Goering, Franz-Erich Baumann, Andreas Dowe, Vera Schiemann
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Patent number: 8003201Abstract: A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.Type: GrantFiled: June 8, 2006Date of Patent: August 23, 2011Assignee: Evonik Degussa GmbHInventors: Kirsten Luetzeler, Franz-Erich Baumann, Sonja Bollmann, Andreas Dowe, Roland Wursche, Georg Schaefer
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Publication number: 20110045269Abstract: A component which comprises the following components: I. a top layer of a moulding compound which contains at least 50% by weight of PA613 and II. a substrate of a thermoplastic moulding compound has a surface with high scratch resistance and high chemical resistance.Type: ApplicationFiled: June 23, 2009Publication date: February 24, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Roland Wursche, Sonja Bollmann, Franz-Erich Baumann, Beatrice Kueting, Kirsten Luetzeler, Andreas Pawlik, Martin Wielpuetz
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Publication number: 20100221551Abstract: The present invention relates to a composite part containing (i) a part composed of an ABS molding composition, and (ii) a multilayer film including at least one layer comprising a polyamide molding composition, and at least one layer comprising an adhesion promoter, wherein the adhesion promoter contains from 2 to 100% by weight of a copolymer, and wherein the copolymer contains (a) from 70 to 99.9% by weight of monomer units derived from vinyl compounds selected from the group consisting of acrylic acid derivatives, methacrylic acid derivatives, and vinylaromatics; and (b) from 0.1 to 30% by weight of monomer units comprising a functional group selected from the group consisting of a carboxylic anhydride group, an epoxy group, and an oxazoline group.Type: ApplicationFiled: May 14, 2010Publication date: September 2, 2010Applicant: EVONIK DEGUSSA GmbHInventors: Roland WURSCHE, Sonja Bollmann, Martin Wielpuetz, Kirsten Alting, Harald Haeger
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Publication number: 20080261010Abstract: A film whose outer layer is composed of a molding composition which is in essence composed of the following components: a) from 3 to 50% by weight of a polyamide, selected from the group of PA11 and PA12, and b) from 50 to 97% by weight of a polyamide, selected from the group of PA1012 and PA1212, where the percentages are based on the entirety of components a) and b), is suitable for decoration of moldings which retain their gloss during their service time.Type: ApplicationFiled: January 4, 2006Publication date: October 23, 2008Applicant: DEGUSSA GmbHInventors: Roland Wursche, Sonja Bollmann, Harald Hager, Martin Wielputz, Kirsten Alting, Michael Beyer, Franz-Erich Baumann
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Publication number: 20080119632Abstract: The invention relates to the use of a molding composition which comprises at least 50% by weight of a copolyamide, which is composed of the following monomer combination: a) from 65 to 99 mol % of a substantially equimolar mixture composed of an unbranched aliphatic diamine having from 6 to 18 carbon atoms and of an unbranched aliphatic dicarboxylic acid having from 6 to 18 carbon atoms, where the mixture composed of diamine and dicarboxylic acid comprises an average of from 8 to 12 carbon atoms, b) from 1 to 35 mol % of a substantially equimolar mixture composed of a cycloaliphatic diamine having from 8 to 20 carbon atoms and of a dicarboxylic acid having from 6 to 18 carbon atoms, for production of a printable or printed item, such as a ski topcoat.Type: ApplicationFiled: November 9, 2005Publication date: May 22, 2008Applicant: DEGUSSA GmbHInventors: Franz-Erich Baumann, Roland Wursche, Harald Hager, Sonja Bollmann, Kirsten Alting
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Publication number: 20070166560Abstract: An adhesion promoter which comprises from 2 to 100% by weight of a copolymer which contains the following monomer units: a) from 70 to 99.9% by weight of monomer units which derive from vinyl compounds selected from acrylic acid derivatives, methacrylic acid derivatives, and vinylaromatics, and also b) from 0.1 to 30% by weight of monomer units which contain a functional group selected from a carboxylic anhydride group, an epoxy group, and an oxazoline group, is used for production of a bond between I. a layer composed of a polyamide molding compound, and II. a part composed of an ABS molding composition.Type: ApplicationFiled: June 9, 2005Publication date: July 19, 2007Applicant: Degussa AGInventors: Roland Wursche, Sonja Bollmann, Martin Wielputz, Kirsten Alting, Harald Hager
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Publication number: 20060281873Abstract: A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.Type: ApplicationFiled: June 8, 2006Publication date: December 14, 2006Applicant: DEGUSSA AGInventors: Kirsten Alting, Franz-Erich Baumann, Sonja Bollmann, Andreas Dowe, Roland Wursche, Georg Schafer
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Publication number: 20060183869Abstract: A process for producing moldings with condensing-up of a polyamide molding composition whose polyamide component contains, as a result of the method of preparation, at least 5 ppm of phosphorus in the form of an acidic compound by means of a compound having at least two carbonate units, wherein a) from 0.001 to 10% by weight, based on the polyamide, of a salt of a weak acid is added to the polyamide molding composition prior to compounding or during compounding, b) a mixture of the finished composition and the compound having at least two carbonate units is prepared, c) the mixture is, if appropriate, stored and/or transported and d) the mixture is subsequently processed to produce the molding, with the condensing-up occurring only in this step, effects a significant increase in the melt stiffness combined with moderate processing presssures, which considerably simplifies, in particular, the production of hollow bodies and hollow profiles having large diameters.Type: ApplicationFiled: February 15, 2006Publication date: August 17, 2006Applicant: Degussa AGInventors: Andreas Dowe, Rainer Goring, Martin Himmelmann, Sonja Bollmann, Franz-Erich Baumann, Roland Wursche
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Publication number: 20060182916Abstract: A process for producing moldings with condensing-up of a polyamide molding composition by means of a compound having at least two carbonate units, wherein a) a polyamide molding composition is made available, b) a mixture of the polyamide molding composition and the compound having at least two carbonate units is prepared, c) the mixture is, if appropriate, stored and/or transported and d) the mixture is subsequently processed to produce the molding, with the condensing-up occurring only in this step, and the molding is a hollow body or hollow profile having an external diameter of at least 30 mm and a wall thickness of at least 1 mm, effects a significant increase in the melt stiffness combined with moderate processing presssures, which considerably simplifies the production of these moldings.Type: ApplicationFiled: February 15, 2006Publication date: August 17, 2006Applicant: Degussa AGInventors: Andreas Dowe, Rainer Goring, Sonja Bollmann, Franz-Erich Baumann
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Publication number: 20030212174Abstract: A molding composition which comprises the following components:Type: ApplicationFiled: January 13, 2003Publication date: November 13, 2003Applicant: DEGUSSA AGInventors: Heinrich Peirick, Hans-Gunter Lohkamper, Sonja Bollmann, Harald Hager