Patents by Inventor Walter Heckmann
Walter Heckmann 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: 9216081Abstract: A total prosthesis for the middle ear, with a prosthesis body, with a first coupling element for connection of the prosthesis to the tympanic membrane or for coupling to the manubrium, and with a second coupling element for connection to the footplate of the stirrup, which second coupling element has a receiving part, connected rigidly to the prosthesis body, and has an insert part with a plug element that can be inserted coaxially, and with a shoe that is connected rigidly to the plug element and that bears on the footplate of the stirrup, is characterized in that the receiving part has an elongate cavity as a receiving opening with a cylindrical bore which extends axially and encloses the full circumference of the plug element and whose inside diameter is greater than the maximum transverse extent of the plug element, which elongate cavity is closed at the end away from the insert part and acts as an end abutment for the plug element, and in that the second coupling element extends axially by at most a thirType: GrantFiled: November 20, 2008Date of Patent: December 22, 2015Assignee: HEINZ KURZ GMBH MEDIZINTECHNIKInventors: Uwe Steinhardt, Heinz Kurz, Georg Schmid, Walter Heckmann
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Patent number: 8889768Abstract: Use of thermoplastic molding compositions comprising, as essential components, A) a polyester, B) from 20 to 200 mmol/kg of polyester A) of at least one compound of the general formula (I) where respectively independently at any position -A1- is —NR—, —O—, —S—, —CH=A4- where R is H or C1-6-alkyl, A4 is N or CH A2 is COOX or OX, where X is Li, Na, K, Rb, Cs, Mg/2, Ca/2, Sr/2, Ba/2, Al/3 A3 is C1-6-alkyl, C6-12-aryl, O7-13-alkaryl, C7-13-aralkyl, O—C1-6-alkyl, O—C6-12-aryl, O—C7-13-alkaryl, O—C7-13-aralkyl, COOX?, OX?, SX?, SO3X?, where X? is H or X, S—C1-6-alkyl, S—C6-12-aryl, NR2, halogen, NO2, n is an integer from 1 to 4, and m is an integer from 0 to 4?n, where m=1, if A3=NO2, with the proviso that the number of mmol is based on the group(s) COOX and OX and SX? where X??X, to the extent that these are present in the compound of the general formula (I), and also moreover C) from 0 to 230% by weight of further added substances, based on the weight of component A), for producing laser-transparent mType: GrantFiled: June 10, 2011Date of Patent: November 18, 2014Assignee: BASF SEInventors: Rebekka von Benten, Peter Eibeck, Walter Heckmann, Jordan Kurikov, Mariou Sorin Pulbere
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Patent number: 8545953Abstract: A blow molding having capacity of at least 250 ml, having a shell which is composed of impact-resistant polystyrene and which is produced via injection stretch blow molding where an average aspect ratio of rubber particles derived from longitudinal section and an average aspect ratio of rubber particles derived from cross section measured in transmission electron micrographs is greater than 4 respectively, and a biaxial orientation of the rubber particles, given by the ratio of the aspect ratio derived from cross section to the aspect ratio derived from longitudinal section is smaller than 3.Type: GrantFiled: December 17, 2007Date of Patent: October 1, 2013Assignee: Styrolution GmbHInventors: Stefan Burgdörfer, Walter Heckmann, Hans-Jürgen Renner, Christian Schade, Hans-Dieter Schwaben
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Patent number: 8481624Abstract: The invention relates to a process for the preparation of thermoplastic molding materials comprising A) from 39 to 99% by weight of at least one thermoplastic polymer, B) from 1 to 60% by weight of a flameproofing component comprising B1) an expandable graphite, and C) from 0 to 60% by weight of further additives, the percentages by weight being based in each case on the total weight of the components A) to C) and together giving 100% by weight, by mixing melts of the components A), B) and, if present, C) in a screw extruder, the screw extruder comprising at least one metering zone, one plasticating zone, one homogenization zone and one discharge zone in this sequence along the conveying direction, wherein the metering of the expandable graphite B1) into the screw extruder is effected at a point behind which—viewed in the conveying direction—the extruder screw comprises substantially no shearing elements, and thermoplastic molding materials which can be prepared by these processes, the use of said theType: GrantFiled: September 23, 2008Date of Patent: July 9, 2013Assignee: Styrolution GmbHInventors: Maarten Pieter Bram Staal, Norbert Güntherberg, Piyada Charoensirisomboon, Hartmut Heinen, Norbert Nieβner, Walter Heckmann
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Patent number: 8197715Abstract: Thermoplastic molding compositions comprising A) from 40 to 96% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of a copolymer composed of B1) from 35 to 89.9% by weight of ethylene, B2) from 10 to 60% by weight of 1-octene or 1-butene or propylene or a mixture of these, and B3) from 0.05 to 5% by weight of functional monomers, where the functional monomers have been selected from the group of the carboxylic acid groups, carboxylic anhydride groups, carboxylic ester groups, carboxamide groups, carboximide groups, amino groups, hydroxy groups, epoxy groups, urethane groups, or oxazoline groups, or a mixture of these, C) from 1 to 50% by weight of fibrous or particulate fillers, or a mixture of these, D) from 0.1 to 10% by weight of D1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or D2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.Type: GrantFiled: December 11, 2007Date of Patent: June 12, 2012Assignee: BASE SEInventors: Martin Weber, Xaver Hopfenspirger, Steffen Funkhauser, Walter Heckmann, Jörg Schnorr, Raquel Fernandez Rodiles, Rainer Klenz, Hagen Stawitzki, Bernd Bruchmann
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Publication number: 20110306707Abstract: Use of thermoplastic molding compositions comprising, as essential components, A) a polyester, B) from 20 to 200 mmol/kg of polyester A) of at least one compound of the general formula (I) where respectively independently at any position -A1- is —NR—, —O—, —S—, —CH=A4- where R is H or C1-6-alkyl, A4 is N or CH A2 is COOX or OX, where X is Li, Na, K, Rb, Cs, Mg/2, Ca/2, Sr/2, Ba/2, Al/3 A3 is C1-6-alkyl, C6-12-aryl, O7-13-alkaryl, C7-13-aralkyl, O—C1-6-alkyl, O—C6-12-aryl, O—C7-13-alkaryl, O—C7-13-aralkyl, COOX?, OX?, SX?, SO3X?, where X? is H or X, S—C1-6-alkyl, S—C6-12-aryl, NR2, halogen, NO2, n is an integer from 1 to 4, and m is an integer from 0 to 4?n, where m=1, if A3=NO2, with the proviso that the number of mmol is based on the group(s) COOX and OX and SX? where X??X, to the extent that these are present in the compound of the general formula (I), and also moreover C) from 0 to 230% by weight of further added substances, based on the weight of component A), for producing laser-transparent mType: ApplicationFiled: June 10, 2011Publication date: December 15, 2011Applicant: BASF SEInventors: Rebekka von Benten, Peter Eibeck, Walter Heckmann, Jordan Kurikov, Mariou Sorin Pulbere
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Publication number: 20110155309Abstract: Sheet-like moldings or foils with anisotropic coefficients of thermal expansion are produced from extrudable thermoplastic polymer molding compositions by filling the thermoplastic polymer molding compositions with lamellar phyllosilicates whose diameter is in the range from 10 to 1000 nm and whose aspect ratio is in the range from 1:5 to 1:10 000 and extruding the filled thermoplastic polymer molding compositions, and then monoaxially or biaxially orienting the extrudate to give sheet-like moldings or foils.Type: ApplicationFiled: September 2, 2009Publication date: June 30, 2011Applicant: BASF SEInventors: Helmut Steininger, Cecile Gibon, Martin Weber, Thomas Breiner, Walter Heckmann, Hans-Helmut Goertz
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Patent number: 7919013Abstract: Thermoplastic molding compositions comprising A) from 40 to 96.2% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of an impact-modifying polymer which comprises functional groups, C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these, D) from 0.2 to 5% by weight of a lubricant, E) from 0.5 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of other added materials, where the total of the percentages by weight of components A) to F) is 100%.Type: GrantFiled: July 17, 2007Date of Patent: April 5, 2011Assignee: BASF SEInventors: Martin Weber, Xaver Hopfenspirger, Steffen Funkhauser, Walter Heckmann, Jörg Schnorr, Raquel Fernandez Rodiles, Rainer Klenz, Hagen Stawitzki
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Publication number: 20100305253Abstract: The invention relates to a process for the preparation of thermoplastic molding materials comprising A) from 39 to 99% by weight of at least one thermoplastic polymer, B) from 1 to 60% by weight of a flameproofing component comprising B1) an expandable graphite, and C) from 0 to 60% by weight of further additives, the percentages by weight being based in each case on the total weight of the components A) to C) and together giving 100% by weight, by mixing melts of the components A), B) and, if present, C) in a screw extruder, the screw extruder comprising at least one metering zone, one plasticating zone, one homogenization zone and one discharge zone in this sequence along the conveying direction, wherein the metering of the expandable graphite B1) into the screw extruder is effected at a point behind which—viewed in the conveying direction—the extruder screw comprises substantially no shearing elements, and thermoplastic molding materials which can be prepared by these processes, the use of said theType: ApplicationFiled: September 23, 2008Publication date: December 2, 2010Inventors: Maarten Pieter Bram Staal, Norbert Güntherberg, Piyada Charoensirisomboon, Hartmut Heinen, Norbert Niessner, Walter Heckmann
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Publication number: 20100221519Abstract: The present invention relates to a process for producing polymer fibers, especially nano- and mesofibers, by electrospinning a colloidal dispersion of at least one essentially water-insoluble polymer in an aqueous medium, and to fibers obtainable by this process, to textile fabrics comprising the inventive fibers, and to the use of the inventive fibers and of the inventive textile fabrics.Type: ApplicationFiled: July 10, 2008Publication date: September 2, 2010Applicant: BASF SEInventors: Rajan Venkatesh, Evgueni Klimov, Michel Pepers, Walter Heckmann, Jürgen Schmidt-Thümmes, Vijay Immanuel Raman, Andreas Greiner, Aleksandar Stoiljkovic
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Publication number: 20100090174Abstract: Thermoplastic molding compositions comprising A) from 40 to 96% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of a copolymer composed of B1) from 35 to 89.9% by weight of ethylene, B2) from 10 to 60% by weight of 1-octene or 1-butene or propylene or a mixture of these, and B3) from 0.05 to 5% by weight of functional monomers, where the functional monomers have been selected from the group of the carboxylic acid groups, carboxylic anhydride groups, carboxylic ester groups, carboxamide groups, carboximide groups, amino groups, hydroxy groups, epoxy groups, urethane groups, or oxazoline groups, or a mixture of these, C) from 1 to 50% by weight of fibrous or particulate fillers, or a mixture of these, D) from 0.1 to 10% by weight of D1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or D2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.Type: ApplicationFiled: December 11, 2007Publication date: April 15, 2010Applicant: BASF SEInventors: Martin Weber, Xaver Hopfenspirger, Steffen Funkhauser, Walter Heckmann, Jörg Schnorr, Raquel Fernandez Rodiles, Rainer Klenz, Hagen Stawitzki, Bernd Bruchmann
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Publication number: 20100080874Abstract: The invention relates to a blow molding having capacity of at least 250 ml, its shell being composed of polystyrene and being produced via injection stretch blow molding. The invention moreover relates to the process for production of this blow molding and to the use of the blow moldings.Type: ApplicationFiled: December 17, 2007Publication date: April 1, 2010Applicant: BASF SEInventors: Stefan Burgdörfer, Walter Heckmann, Hans-Jürgen Renner, Christian Schade, Hans-Dieter Schwadben
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Patent number: 7671127Abstract: The invention relates to thermoplastic molding compositions, comprising A) from 35 to 95% by weight of at least one graft copolymer A), which is obtainable via reaction of A1) from 5 to 95% by weight of a polymer A1), which is obtained from at least one dicarboxylic anhydride a11) and from at least one vinylaromatic comonomer a12), and A2) from 5 to 95% by weight of a polyamide A2), B) from 5 to 40% by weight of at least one ungrafted or grafted, non-particulate rubber without core-shell structure B), which has functional groups which can react with the end groups of component A), C) from 0 to 50% by weight of at least one particulate or fibrous filler or particulate or fibrous reinforcing material C), D) from 0 to 60% by weight of at least one copolymer D) composed of vinyl aromatic monomers d1) and of comonomers d2), and E) from 0 to 40% by weight of at least one other additive E), where the entirety of components A) to E) gives 100% by weight, and also to processes for preparation of the thermoplastiType: GrantFiled: December 3, 2005Date of Patent: March 2, 2010Assignee: BASF SEInventors: Martin Weber, Frank Rittig, Werner Haensel, Walter Heckmann, Hans Hönl, Peter Ittemann, Bangaru Sampath
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Publication number: 20100019210Abstract: Thermoplastic molding compositions comprising A) from 40 to 96.2% by weight of a semiaromatic polyamide, B) from 2 to 30% by weight of an impact-modifying polymer which comprises functional groups, C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these, D) from 0.2 to 5% by weight of a lubricant, E) from 0.5 to 15% by weight of an electrically conductive additive, F) from 0 to 30% by weight of other added materials, where the total of the percentages by weight of components A) to F) is 100%.Type: ApplicationFiled: July 17, 2007Publication date: January 28, 2010Applicant: BASF SEInventors: Martin Weber, Xaver Hopfenspirger, Steffen Funkhauser, Walter Heckmann, Jörg Schnorr
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Publication number: 20100013126Abstract: The present invention relates to a process for producing polymer fibers, especially nano- and mesofibers, by the electrospinning process, in which a colloidal dispersion of at least one essentially water-insoluble polymer and of at least one nonionic surfactant, if appropriate further comprising at least one water-soluble polymer, is electrospun in an aqueous medium. The present invention further relates to fibers obtainable by this process.Type: ApplicationFiled: August 20, 2007Publication date: January 21, 2010Inventors: Michael Ishaque, Michel Pepers, Walter Heckmann, Evgueni Klimov, Andreas Greiner, Joachim H. Wendorff, Aleksandar Stoiljkovic
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Publication number: 20090239990Abstract: The invention relates to thermoplastic molding compositions, comprising A) from 35 to 95% by weight of at least one graft copolymer A), which is obtainable via reaction of A1) from 5 to 95% by weight of a polymer A1), which is obtained from at least one dicarboxylic anhydride a11) and from at least one vinylaromatic comonomer a12), and A2) from 5 to 95% by weight of a polyamide A2), B) from 5 to 40% by weight of at least one ungrafted or grafted, non-particulate rubber without core-shell structure B), which has functional groups which can react with the end groups of component A), C) from 0 to 50% by weight of at least one particulate or fibrous filler or particulate or fibrous reinforcing material C), D) from 0 to 60% by weight of at least one copolymer D) composed of vinyl aromatic monomers d1) and of comonomers d2), and E) from 0 to 40% by weight of at least one other additive E), where the entirety of components A) to E) gives 100% by weight, and also to processes for preparation of the thermoplastiType: ApplicationFiled: December 3, 2005Publication date: September 24, 2009Applicant: BASF Aktiengesellschaft Patents, Trademarks and LicensesInventors: Martin Weber, Frank Rittig, Werner Haensel, Walter Heckmann, Hans Hönl, Peter Ittemann, Bangaru Sampath
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Publication number: 20090164010Abstract: A total prosthesis for the middle ear, with a prosthesis body, with a first coupling element for connection of the prosthesis to the tympanic membrane or for coupling to the manubrium, and with a second coupling element for connection to the footplate of the stirrup, which second coupling element has a receiving part, connected rigidly to the prosthesis body, and has an insert part with a plug element that can be inserted coaxially, and with a shoe that is connected rigidly to the plug element and that bears on the footplate of the stirrup, is characterized in that the receiving part has an elongate cavity as a receiving opening with a cylindrical bore which extends axially and encloses the full circumference of the plug element and whose inside diameter is greater than the maximum transverse extent of the plug element, which elongate cavity is closed at the end away from the insert part and acts as an end abutment for the plug element, and in that the second coupling element extends axially by at most a thirType: ApplicationFiled: November 20, 2008Publication date: June 25, 2009Inventors: Uwe Steinhardt, Heinz Kurz, Georg Schmid, Walter Heckmann
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Patent number: 7265172Abstract: Thermoplastic molding composition comprising components A, B, C and D and, if appropriate, E, F, G and H, A) from 1 to 97.5% by weight of at least one aromatic polycarbonate A, B) from 1 to 97.5% by weight of at least one graft polymer B made from b1) from 40 to 80% by weight of a graft base made from an elastomeric polymer B1, b2) from 20 to 60% by weight of a graft B2 made from b21) from 60 to 95% by weight of styrene or of substituted styrenes B21 and b22) from 5 to 40% by weight of at least one unsaturated nitrile B22, C) from 1 to 97.5% by weight of at least one thermoplastic copolymer C made from c1) from 60 to 85% by weight of styrene or of substituted styrenes C1 or mixtures thereof and c2) from 15 to 40% by weight of at least one unsaturated nitrile C2, D) from 0.Type: GrantFiled: April 8, 2003Date of Patent: September 4, 2007Assignee: BASF AktiengesellschaftInventors: Martin Weber, Xaver Hopfenspirger, Reinhard Jakobi, Walter Heckmann
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Publication number: 20070106022Abstract: Thermoplastic molding compositions, comprising A) a polyamide A1), containing at least one end group derived from a piperidine compound, and B) a copolymer which contains at least one functional group which can react with the end groups of the polyamide present in component A).Type: ApplicationFiled: October 8, 2004Publication date: May 10, 2007Applicant: BASF AktiengesellschaftInventors: Martin Weber, Axel Gottschelk, Werner Haensel, Walter Heckmann, Hans Honl, Jurgen Deininger
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Publication number: 20050159546Abstract: The invention relates to thermoplastic moulding materials containing the components A, B, C and D, in addition to optional components E, F, G and H, said components being composed as follows: A) between 1 and 97.5 wt. % of at least one aromatic polycarbonate A; B) between 1 and 97.5 wt. % of at least one graft polymer B consisting of b1) between 40 and 80 wt. % of a graft base obtained from a rubber elastic polymer B1, b2) between 20 and 60 wt. % of a graft support B2 consisting of b21) between 60 and 95 wt. % styrene or substituted styrenes B21 and b22) between 5 and 40 wt. % of at least one unsaturated nitrile B22; C) between 1 and 97.5 wt. % of at least one thermoplastic copolymer C consisting of c1) between 60 and 85 wt. % styrene or substituted styrenes C1 or mixtures thereof and c2) between 15 and 40 wt. % of at least one unsaturated nitrile C2; D) between 0.5 and 50 wt.Type: ApplicationFiled: April 8, 2003Publication date: July 21, 2005Applicant: BASF AktiengesellschaftInventors: Martin Weber, Xaver Hopfenspirger, Reinhard Jakobi, Walter Heckmann