Patents by Inventor Renate Grassl
Renate Grassl 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: 9229002Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: GrantFiled: July 29, 2014Date of Patent: January 5, 2016Assignee: Hyglos Invest GmbHInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Grallert
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Patent number: 8932580Abstract: The present invention relates to a method for the selective purification of bacterial cells and/or cell components, whereby the purification is performed by means of a solid support.Type: GrantFiled: July 28, 2009Date of Patent: January 13, 2015Assignees: Hyglos Invest GmbH, Biomerieux S.A.Inventors: Michael Schutz, Renate Grassl, Roman Meyer, Sibylle Frick, Ingrid Robl, Thomas Zander, Stefan Miller
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Publication number: 20140377775Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: ApplicationFiled: July 29, 2014Publication date: December 25, 2014Applicant: HYGLOS INVEST GMBHInventors: Stefan MILLER, Roman MEYER, Renate GRASSL, Manfred BIEBL, Holger GRALLERT
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Patent number: 8822641Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: GrantFiled: November 21, 2012Date of Patent: September 2, 2014Assignee: Hyglos Invest GmbHInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Grallert
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Patent number: 8609348Abstract: Bacteriophage adhesion proteins binding to the O-antigen of gram negative bacteria, but lacking the ability of binding to a bacteriophage and of hydrolysing lipopolysaccharides, are described, as well as nucleic acid molecules encoding the proteins. In addition, methods for generating the bacteriophage adhesion proteins and their use in detection, purification and enrichment of bacteria are described.Type: GrantFiled: July 3, 2009Date of Patent: December 17, 2013Assignee: Biomerieux S.A.Inventors: Manfred Biebl, Renate Grassl, Monika Walter, Stefan Miller
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Patent number: 8551719Abstract: The invention relates to a method for detecting endotoxins in a sample.Type: GrantFiled: February 20, 2013Date of Patent: October 8, 2013Assignee: Hyglos Invest GmbHInventors: Roman Meyer, Michael Schütz, Holger Grallert, Renate Grassl, Stefan Miller
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Publication number: 20130244224Abstract: The invention relates to a method for detecting endotoxins in a sample.Type: ApplicationFiled: February 20, 2013Publication date: September 19, 2013Applicant: HYGLOS INVEST GMBHInventors: Roman MEYER, Michael SCHÜTZ, Holger GRALLERT, Renate GRASSL, Stefan MILLER
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Patent number: 8394597Abstract: The invention relates to a method for detecting endotoxins in a sample.Type: GrantFiled: December 20, 2004Date of Patent: March 12, 2013Assignee: Hyglos Invest GmbHInventors: Roman Meyer, Michael Schütz, Holger Grallert, Renate Grassl, Stefan Miller
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Patent number: 8329393Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: GrantFiled: July 12, 2011Date of Patent: December 11, 2012Assignee: Hyglos Invest GmbHInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Grallert
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Publication number: 20120122124Abstract: The present invention relates to bacteriophage adhesion proteins binding to the O-antigen of gram negative bacteria, lacking the ability of binding to a bacteriophage and of hydrolysing lipopolysaccharides. The invention further relates to nucleic acid molecules comprising a sequence encoding the proteins according to the present invention. In addition, the present invention relates to a method for generating bacteriophage adhesion proteins according to the present invention. The invention further relates to the use of said proteins and methods of detection, purification and enrichment of bacteria.Type: ApplicationFiled: July 3, 2009Publication date: May 17, 2012Inventors: Manfred Biebl, Renate Grassl, Monika Walter, Stefan Miller
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Publication number: 20110306068Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: ApplicationFiled: July 12, 2011Publication date: December 15, 2011Applicant: HYGLOS INVEST GMBHInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Grallert
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Patent number: 8003313Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: GrantFiled: January 23, 2006Date of Patent: August 23, 2011Assignee: Hyglos Invest GmbHInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Grallert
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Publication number: 20110053188Abstract: The invention relates to a method for detecting endotoxins in a sample.Type: ApplicationFiled: December 20, 2004Publication date: March 3, 2011Applicant: HYGLOS INVEST GMBHInventors: Roman Meyer, Michael Schütz, Holger Grallert, Renate Grassl, Stefan Miller
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Patent number: 7868144Abstract: The present invention relates to a method for unspecific enrichment of bacterial cells by means of cationic or anionic polymers and magnetic carriers.Type: GrantFiled: October 8, 2002Date of Patent: January 11, 2011Assignee: Hyglos Invest GmbHInventors: Sabine Diller, Renate Grassl, Stefan Miller, Ingrid Robl, Michael Schütz, Thomas Zander
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Publication number: 20100047895Abstract: The present invention relates to a method for the selective purification of bacterial cells and/or cell components, whereby the purification is performed by means of a solid support.Type: ApplicationFiled: July 28, 2009Publication date: February 25, 2010Applicants: Hyglos Invest GmbH, bioMerieux S.A.Inventors: Michael Schütz, Renate Grassl, Roman Meyer, Sibylle Frick, Ingrid Robl, Thomas Zander, Stefan Miller
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Patent number: 7579142Abstract: The present invention relates to a method for the selective purification of bacterial cells and/or cell components, whereby the purification is performed by means of a solid support.Type: GrantFiled: June 24, 2002Date of Patent: August 25, 2009Assignee: Profos AGInventors: Michael Schütz, Renate Grassl, Roman Meyer, Sibylle Frick, Ingrid Robl, Thomas Zander, Stefan Miller
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Publication number: 20090017445Abstract: The present invention relates to bacteriophage tail proteins and the derivatives and fragments thereof that are capable of binding endotoxins in the absence of bivalent positive ions, especially Ca2+ or Mg2+. Further, the present invention relates to methods for depleting endotoxins from solutions and samples using the bacteriophage tail proteins according to the present invention and to a detection method for endotoxins.Type: ApplicationFiled: January 23, 2006Publication date: January 15, 2009Applicant: PROFOS AGInventors: Stefan Miller, Roman Meyer, Renate Grassl, Manfred Biebl, Holger Graller
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Publication number: 20050019827Abstract: The present invention relates to a method for unspecific enrichment of bacterial cells by means of cationic or anionic polymers and magnetic carriers.Type: ApplicationFiled: October 8, 2002Publication date: January 27, 2005Inventors: Sabine Diller, Renate Grassl, Stefan Miller, Ingrid Robl, Michael Schultz, Thomas Zander
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Publication number: 20040248298Abstract: The present invention relates to a method for the selective purification of bacterial cells and/or cell components, whereby the purification is performed by means of a solid support.Type: ApplicationFiled: June 15, 2004Publication date: December 9, 2004Inventors: Michael Schutz, Renate Grassl, Roman Meyer, Sibylle Frick, Ingrid Robl, Thomas Zander, Stefan Miller