Patents by Inventor Roland Kratzer
Roland Kratzer 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: 20190328869Abstract: The present invention provides an immunotherapeutic composition for use in combination with one or more MDSC (Myeloid-derived suppressor cells) modulator(s) and a kit of parts comprising such components as well as methods using such components in combination. The invention also provides the use of Phosphodiesterase-5 (PDE5) inhibitors for reversing immunosuppression in chronic infectious diseases. The invention is of very special interest in treating or preventing diseases, especially chronic infectious diseases such as hepatitis B.Type: ApplicationFiled: October 10, 2017Publication date: October 31, 2019Applicant: Transgene SAInventors: Karine Lelu-Santolaria, Roland Kratzer, Perrine Martin
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Publication number: 20190134190Abstract: The present invention generally relates to an immunostimulatory combination comprising a first composition comprising a therapeutic vaccine and a second composition comprising one or more TLR9 ligand(s) such as CpG-containing oligonucleotide(s) as well as the use of such a first composition in combination with said second composition for treating a subject in need thereof. A specific embodiment is directed to the combination of a vectorized therapeutic vaccine encoding antigen(s) and a CpG-containing oligonucleotide such as Litenimod. Embodiments also include kits comprising such compositions as well as methods for treating, preventing or inhibiting diseases, in particular proliferative diseases or infectious diseases comprising administration of such first and second compositions.Type: ApplicationFiled: May 3, 2017Publication date: May 9, 2019Applicants: Transgene SA, OligovaxInventors: Karola Rittner, Roland Kratzer, Antoine Carpentier
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Publication number: 20100098719Abstract: The invention is related to fusion proteins comprising two or more IgG binding domains of streptococcal protein G, linked to a polypeptide of interest. These fusion proteins can be complexed with IgG antibodies directed against surface receptors of target cells, allowing their delivery to said target cells.Type: ApplicationFiled: September 18, 2007Publication date: April 22, 2010Inventors: Peter Van Endert, Roland Kratzer
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Patent number: 7618912Abstract: The present invention relates to a process for preparing a catalyst solid for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) at least one organometallic compound, C) at least one organic compound having at least one functional group containing active hydrogen, D) at least one Lewis base and E) at least one support, into contact with one another, wherein the components are combined in any order without any work-up of the mixtures present at intermediate stages being carried out. In addition, the invention relates to the use of the catalyst solid for olefin polymerization, to catalyst solids obtainable by this process, to catalyst systems in which these catalyst solids are present and to a process for the polymerization of olefins in which these catalyst solids are used.Type: GrantFiled: July 14, 2003Date of Patent: November 17, 2009Assignee: Basell Polyolefine GmbHInventor: Roland Kratzer
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Patent number: 7569651Abstract: A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different substituents in position 2 and position 4 on an indenyl ligand. Novel polypropylene copolymers can be obtained by this process.Type: GrantFiled: May 18, 2005Date of Patent: August 4, 2009Assignee: Basell Polypropylen GmbHInventors: Jörg Schottek, Markus Oberhoff, Carsten Bingel, David Fischer, Horst Weiβ, Andreas Winter, Volker Fraaije, Ralph-Dieter Maier, Wolfgang Bidell, Nicola Paczkowski, Jürgen Suhm, Roland Kratzer
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Patent number: 7442667Abstract: The present invention relates to a process for preparing a supported cocatalyst for olefin polymerization, which comprises reacting A) a support bearing functional groups, B) triethylaluminum and C) a compound of the formula (I), (R1)x—A—OH)y??(I) where A is an atom of group 13 or 15 of the Periodic Table, R1 are identical or different and are each, independently of one another, hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalky, C7-C40-haloarylalkyl, C7-C40-alkylaryl, C7-C40-haloalkylaryl or an OSiR32 group, where R2 are identical or different and are each hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl or C7-C40-haloalkylaryl, y is 1 or 2 and x is 3 minus y.Type: GrantFiled: December 22, 2004Date of Patent: October 28, 2008Assignee: Bosell Polyolefine GmbHInventors: Naka Seidel, Bodo Richter, Roland Kratzer
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Patent number: 7414005Abstract: The present invention relates to a process for preparing a catalyst composition for olefin polymerization, which comprises preparing a catalyst solid in a first step by bringing A) at least one support, B) at least one organic compound having at least one functional group containing active hydrogen, C) at least one organometallic compound and D) at least one organic transition metal compound into contact with one another, then bringing this catalyst solid into contact with E) at least one organoaluminum compound in a second step and then using this mixture for the polymerization without further work-up. In addition, the invention relates to catalyst system for the polymerization of olefins which comprise such catalyst compositions, to the use of the catalyst compositions or the catalyst systems for the polymerization of olefins and to a process of the polymerization of olefins.Type: GrantFiled: November 3, 2003Date of Patent: August 19, 2008Assignee: Basell Polyolefine GmbHInventor: Roland Kratzer
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Patent number: 7342078Abstract: A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different substituents in position 2 and position 4 on an indenyl ligand. Novel polypropylene copolymers can be obtained by this process.Type: GrantFiled: December 13, 2000Date of Patent: March 11, 2008Assignee: Basell Polyolefine GmbHInventors: Jörg Schottek, Markus Oberhoff, Carsten Bingel, David Fischer, Horst Weiβ, Andreas Winter, Volker Fraaije, Ralph-Dieter Maier, Wolfgang Bidell, Nicola Paczkowski, Jürgen Suhm, Roland Kratzer
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Patent number: 7285513Abstract: The present invention relates to a process for preparing a catalyst for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) a mixture of at least two different organo metallic compounds and C) at least one cation-forming compound into contact with one another, wherein the organic transition metal compound A) is firstly brought into contact with the mixture of the organo metallic compounds B). In addition, the invention relates to the use of the catalyst for olefin polymerization, to catalysts obtainable by this process and to a process for the polymerization of olefins in which these catalysts are used.Type: GrantFiled: July 14, 2003Date of Patent: October 23, 2007Assignee: Basell Polyolefine GmbHInventors: Roland Kratzer, Volker Fraaije
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Publication number: 20070149387Abstract: The present invention relates to a process for preparing a supported cocatalyst for olefin polymerization, which comprises reacting A) a support bearing functional groups, B) triethylaluminum and C) a compound of the formula (I), (R1)x—A—OH)y??(I) where A is an atom of group 13 or 15 of the Periodic Table, R1 are identical or different and are each, independently of one another, hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalky, C7-C40-haloarylalkyl, C7-C40-alkylaryl, C7-C40-haloalkylaryl or an OSiR32 group, where R2 are identical or different and are each hydrogen, halogen, C1-C20-alkyl, C1-C20-haloalkyl, C1-C10-alkoxy, C6-C20-aryl, C6-C20-haloaryl, C6-C20-aryloxy, C7-C40-arylalkyl, C7-C40-haloarylalkyl, C7-C40-alkylaryl or C7-C40-haloalkylaryl, y is 1 or 2 and x is 3 minus y.Type: ApplicationFiled: December 22, 2004Publication date: June 28, 2007Applicant: BASELL POLYOLEFINE GmBHInventors: Naka Seidel, Bodo Richter, Roland Kratzer
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Publication number: 20060166813Abstract: The present invention relates to a process for preparing a catalyst solid for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) at least one organometallic compound, C) at least one organic compound having at least one functional group containing active hydrogen, D) at least one Lewis base and E) at least one support, into contact with one another, wherein the components are combined in any order without any work-up of the mixtures present at intermediate stages being carried out. In addition, the invention relates to the use of the catalyst solid for olefin polymerization, to catalyst solids obtainable by this process, to catalyst systems in which these catalyst solids are present and to a process for the polymerization of olefins in which these catalyst solids are used.Type: ApplicationFiled: July 14, 2003Publication date: July 27, 2006Applicant: Basell Polyolefine GmbHInventor: Roland Kratzer
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Publication number: 20060105905Abstract: The present invention relates to a process for preparing a catalyst composition for olefin polymerization, which comprises preparing a catalyst solid in a first step by bringing A) at least one support, B) at least one organic compound having at least one functional group containing active hydrogen, C) at least one organometallic compound and D) at least one organic transition metal compound into contact with one another, then bringing this catalyst solid into contact with E) at least one organoaluminum compound in a second step and then using this mixture for the polymerization without further work-up. In addition, the invention relates to catalyst system for the polymerization of olefins which comprise such catalyst compositions, to the use of the catalyst compositions or the catalyst systems for the polymerization of olefins and to a process of the polymerization of olefins.Type: ApplicationFiled: November 3, 2003Publication date: May 18, 2006Inventor: Roland Kratzer
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Publication number: 20060020096Abstract: A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different substituents in position 2 position 4 on an indenyl ligand. Novel polypropylene copolymers can be obtained by this process.Type: ApplicationFiled: May 18, 2005Publication date: January 26, 2006Inventors: Jorg Schottek, Markus Oberhoff, Carsten Bingel, David Fischer, Horst Weiss, Andreas Winter, Volker Fraaije, Ralph-Dieter Maier, Wolfgang Bidell, Nicola Paczkowski, Juergen Suhm, Roland Kratzer
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Publication number: 20050272596Abstract: The present invention relates to a process for preparing a catalyst for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) a mixture of at least two different organo metallic compounds and C) at least one cation-forming compound into contact with one another, wherein the organic transition metal compound A) is firstly brought into contact with the mixture of the organo metallic compounds B). In addition, the invention relates to the use of the catalyst for olefin polymerization, to catalysts obtainable by this process and to a process for the polymerization of olefins in which these catalysts are used.Type: ApplicationFiled: July 14, 2003Publication date: December 8, 2005Applicant: BASELL POLYOLEFINE GMBHInventors: Roland Kratzer, Volker Fraaije
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Patent number: 6953829Abstract: A catalyst system comprising at least one metallocene, at least one cocatalyst, at least one support material and, if desired, further organometallic compounds is described. The catalyst system can advantageously be used for the polymerization of olefins and displays a high catalyst activity and gives a good polymer morphology without it being necessary to use aluminoxanes such as methylaluminoxane (MAO), which usually has to be used in high excess, as cocatalyst.Type: GrantFiled: December 13, 2000Date of Patent: October 11, 2005Assignee: Basell Polyolefine GmbHInventors: Roland Kratzer, Cornelia Fritze, Jörg Schottek
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Publication number: 20050043170Abstract: A catalyst solid comprising: A) support particles having a mean particle diameter d50 of from 5 to 200 ?m and a specific surface area of from 30 to 1 000 m2/g and obtainable by agglomeration of primary particles of a pyrogenic silica having a mean particle diameter dm of from 1 to 50 nm, and B) at least one organic transition metal compound, can be used for the polymerization or copolymerization of olefins.Type: ApplicationFiled: December 17, 2002Publication date: February 24, 2005Inventors: Volker Fraaije, Markus Oberhoff, Nicola Paczkowski, Heike Gregorius, Roland Kratzer, Wolfgang Bidell, Joachim Wulff-Doring
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Patent number: 6627764Abstract: Ligand systems containing indenyl structures, transition metal compounds of the metallocene type and catalyst systems comprising such transition metal compounds are described. The novel transition metal compounds can be used in the polymerization of olefins, in particular to give polyolefins having a low molar mass.Type: GrantFiled: July 11, 2000Date of Patent: September 30, 2003Assignee: Basell Polyolefine GmbHInventors: Jörg Schottek, Diana Schauer, Roland Kratzer
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Publication number: 20030149199Abstract: A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different substituents in position 2 and position 4 on an indenyl ligand. Novel polypropylene copolymers can be obtained by this process.Type: ApplicationFiled: June 24, 2002Publication date: August 7, 2003Inventors: Jorg Schottek, Markus Oberhoff, Carsten Bingel, David Fischer, Horst Weiss, Andreas Winter, Volker Fraaije, Ralph-Dieter Maier, Wolfgang Bidell, Nicola Paczkowski, Jurgen Suhm, Roland Kratzer
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Publication number: 20030008984Abstract: The invention relates to a catalyst system, containing at least one metallocene, at least one co-catalyst, at least one supporting material and optionally additional organometallic compounds. The catalyst system can be used advantageously for polymerising olefins, as it obviates the use of aluminoxanes, such as methylaluminoxane (MAO), which is conventionally used in excess quantities as a co-catalyst, whilst at the same time producing strong catalyst activity and excellent polymer morphology.Type: ApplicationFiled: June 24, 2002Publication date: January 9, 2003Inventors: Roland Kratzer, Cornelia Fritze, Jorg Schottek
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Patent number: 6486277Abstract: A boron-containing zwitterionic neutral transition metal compound which can advantageously be used for the polymerization of olefins is described. Here, the use of aluminoxanes, such as methylaluminoxane (MAO), as a cocatalyst can be dispensed with and a high catalyst activity and a good polymer morphology can nevertheless be achieved.Type: GrantFiled: August 14, 2000Date of Patent: November 26, 2002Assignee: Targor GmbHInventors: Gerhard Erker, Gerald Kehr, Jörg Schottek, Roland Kratzer