Patents by Inventor Jutta Pauli
Jutta Pauli 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: 8182832Abstract: The present invention relates to an X-ray amorphous-crystalline material with high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. The new material comprising crystalline and X-ray amorphous phases is characterized in that according to 31P-NMR measurements, it contains Q0-groups of orthophosphate and Q1-groups of diphosphate, the orthophosphates or Q0-groups making up 70 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 30% by weight relative to the total phosphorus content of the finished material, and that according to X-ray diffractometric measurements and relative to the total weight of the finished material, 30 to 99.9% by weight of a main crystal phase consisting of Ca2K1?xNa1+x(PO4)2, where x=0.1 to 0.9, is contained in the bone replacement material and 0.Type: GrantFiled: April 15, 2009Date of Patent: May 22, 2012Assignee: Bam Bundesanstalt fur Materialforschung und-PrufungInventors: Georg Berger, Andrea Spitzer, Christian Jäger, Jutta Pauli, Renate Gildenhaar
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Publication number: 20090197972Abstract: The present invention relates to an X-ray amorphous-crystalline material with high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. The new material comprising crystalline and X-ray amorphous phases is characterized in that according to 31P-NMR measurements, it contains Q0-groups of orthophosphate and Q1-groups of diphosphate, the ortho-phosphates or Q0-groups making up 70 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 30% by weight relative to the total phosphorus content of the finished material, and that according to X-ray diffractometric measurements and relative to the total weight of the finished material, 30 to 99.9% by weight of a main crystal phase consisting of Ca2K1?xNa1+x(PO4)2, where x=0.1 to 0.9, is contained in the bone replacement material and 0.Type: ApplicationFiled: April 15, 2009Publication date: August 6, 2009Applicant: BAM BUNDESANSTALT FUER MATERIALFORSCHUNG UND PRUEFUNGInventors: Georg BERGER, Andrea SPITZER, Christian JAGER, Jutta PAULI, Renate GILDENHAAR
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Patent number: 7547448Abstract: The present invention relates to an X-ray amorphous-crystalline material with high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. The new material comprising crystalline and X-ray amorphous phases is characterized in that according to 31P-NMR measurements, it contains Q0-groups of orthophosphate and Q1-groups of diphosphate, the ortho-phosphates or Q0-groups making up 70 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 30% by weight relative to the total phosphorus content of the finished material, and that according to X-ray diffractometric measurements and relative to the total weight of the finished material, 30 to 99.9% by weight of a main crystal phase consisting of Ca2K1?xNa1+x(PO4)2, where x=0.1 to 0.9, is contained in the bone replacement material and 0.Type: GrantFiled: October 20, 2003Date of Patent: June 16, 2009Assignee: Bam Bundesanstalt fuer Material Forschung und PruefungInventors: Georg Berger, Andrea Spitzer, Christian Jäger, Jutta Pauli, Renate Gildenhaar
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Patent number: 7459170Abstract: The present invention relates to a material with orthophosphate and having a high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. According to 31P-NMR measurements, the new material comprises Q0-groups of orthophosphate and Q1-groups of diphosphate, the orthophosphates or Q0-groups making up 65 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 35% by weight relative to the total phosphorus content of the finished material, and wherein according to X-ray diffractometric measurements and relative to the total weight of the finished material, 35 to 99.9% by weight of a main crystal phase consisting of Ca10Na(PO4)7, Ca10K(PO4)7, mixtures thereof or mixed crystals according to the general formula Ca10KxNa1?x(PO4)7, where x=0 to 1, is contained in the bone replacement material and 0.Type: GrantFiled: October 20, 2003Date of Patent: December 2, 2008Assignee: BAM Bundesanstalt fuer Materialforschung und-pruefungInventors: Georg Berger, Andrea Spitzer, Christian Jäger, Jutta Pauli, Renate Gildenhaar
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Patent number: 7223420Abstract: The present invention relates to a powder mixture for resorbable calcium phosphate biocements, which mixture consists of 40–99% by volume of powder having a particle size of 0.1–10 ?m, 1–20% by volume of powder having a particle size of 10–43 ?m and 0–59% by volume of powder having a particle size of 43–315 ?m, which powder is obtained by grinding the spontaneously crystallizing melts of a material comprising crystalline and X-ray amorphous phases, which material a) according to 31P-NMR measurements, contains Q0-groups of orthophosphate and Q1-groups of diphosphate, the orthophosphates or Q0-groups making up 65 to 99.9% by weight relative to the total phosphorus content of the powder mixture and the diphosphates or Q1-groups making up 0.1 to 35% by weight relative to the total phosphorus content of the powder mixture, and b) according to X-ray diffractometric measurements and relative to the total weight of the powder mixture, contains 35 to 99.Type: GrantFiled: October 20, 2003Date of Patent: May 29, 2007Assignee: BAM Bundesanstalt für Materialforschung und -prüfungInventors: Georg Berger, Heidi Marx, Christian Jäger, Jutta Pauli
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Publication number: 20040228927Abstract: The present invention relates to an X-ray amorphous-crystalline material with high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. The new material comprising crystalline and X-ray amorphous phases is characterized in that according to 31P-NMR measurements, it contains Q0-groups of orthophosphate and Q1-groups of diphosphate, the ortho-phosphates or Q0-groups making up 70 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 30% by weight relative to the total phosphorus content of the finished material, and that according to X-ray diffractometric measurements and relative to the total weight of the finished material, 30 to 99.9% by weight of a main crystal phase consisting of Ca2K1−xNa1+x(PO4)2, where x=0.1 to 0.9, is contained in the bone replacement material and 0.Type: ApplicationFiled: October 20, 2003Publication date: November 18, 2004Inventors: Georg Berger, Andrea Spitzer, Christian Jager, Jutta Pauli, Renate Gildenhaar
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Publication number: 20040175430Abstract: The present invention relates to a material with orthophosphate and having a high solubility which can be used as a bioactive bone replacement material and as a substrate material in biotechnology. According to 31P-NMR measurements, the new material comprises Q0-groups of orthophosphate and Q1-groups of diphosphate, the ortho-phosphates or Q0-groups making up 65 to 99.9% by weight relative to the total phosphorus content of the finished material and the diphosphates or Q1-groups making up 0.1 to 35% by weight relative to the total phosphorus content of the finished material, and wherein according to X-ray diffractometric measurements and relative to the total weight of the finished material, 35 to 99.9% by weight of a main crystal phase consisting of Ca10Na(PO4)7, Ca10K(PO4)7, mixtures thereof or mixed crystals according to the general formula Ca10KxNa1−x(PO4)7, where x=0 to 1, is contained in the bone replacement material and 0.Type: ApplicationFiled: October 20, 2003Publication date: September 9, 2004Inventors: Georg Berger, Andrea Spitzer, Christian Jager, Jutta Pauli, Renate Gildenhaar
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Publication number: 20040086545Abstract: The present invention relates to a powder mixture for resorbable calcium phosphate biocements, which mixture consists of 40-99% by volume of powder having a particle size of 0.Type: ApplicationFiled: October 20, 2003Publication date: May 6, 2004Inventors: Georg Berger, Heidi Marx, Christian Jager, Jutta Pauli