Patents by Inventor Manja Ahola
Manja Ahola 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: 11666552Abstract: The present invention relates to a method for modifying release of a therapeutically active agent from an elastomeric matrix, comprising providing a core comprising an elastomeric matrix and a therapeutically active agent; dipping the core to a coating solution of an elastomer, wherein the elastomer comprises 20-35 wt-% of a filler, calculated from the total amount of filler and elastomer; curing the dipped core to provide a coated core. In this method the dipping is provided as a continuous process by pulling the core through the coating solution, using a pulling speed suitable for providing a coating thickness of ?-IOO the filler is selected from silica, titanium dioxide, barium sulphate, carbon and mixtures thereof; the elastomer comprised in the core and the elastomer comprised in the coating solution are independently selected from poly(dimethyl) siloxanes, polyethylene vinyl acetates (EVAs), polyurethanes (PUs), polyhydroxyethyl methacrylates (PHEMAs) and polymethyl methacrylates (PMMAs).Type: GrantFiled: September 19, 2018Date of Patent: June 6, 2023Assignee: Bayer OYInventors: Manja Ahola, Risto Hakala, Piia Hara, Antti Keinänen, Henriikka Korolainen, Jyrki Pihlaja
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Publication number: 20200276159Abstract: The present invention relates to a method for modifying release of a therapeutically active agent from an elastomeric matrix, comprising providing a core comprising an elastomeric matrix and a therapeutically active agent; dipping the core to a coating solution of an elastomer, wherein the elastomer comprises 20-35 wt-% of a filler, calculated from the total amount of filler and elastomer; curing the dipped core to provide a coated core. In this method the dipping is provided as a continuous process by pulling the core through the coating solution, using a pulling speed suitable for providing a coating thickness of ?-IOO the filler is selected from silica, titanium dioxide, barium sulphate, carbon and mixtures thereof; the elastomer comprised in the core and the elastomer comprised in the coating solution are independently selected from poly(dimethyl) siloxanes, polyethylene vinyl acetates (EVAs), polyurethanes (PUs), polyhydroxyethyl methacrylates (PHEMAs) and polymethyl methacrylates (PMMAs).Type: ApplicationFiled: September 19, 2018Publication date: September 3, 2020Applicant: Bayer OYInventors: Manja AHOLA, Risto HAKALA, Piia HARA, Antti KEINÄNEN, Henriikka KOROLAINEN, Jyrki PIHLAJA
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Patent number: 10532025Abstract: The invention relates to a method for contraception and for reducing menstrual problems and inducing amenorrhea, wherein an intrauterine delivery device is used for the controlled release of a combination of progestogen or a drug having a progestogenic activity and at least one therapeutically active substance capable of preventing or suppressing abnormal and/or irregular endometrial bleeding over a prolonged period of time.Type: GrantFiled: May 18, 2018Date of Patent: January 14, 2020Assignee: Bayer OyInventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti, Tuula Valo, Ina Gröticke, Bernhard Lindenthal, Ulrike Fuhrmann
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Publication number: 20180263899Abstract: The invention relates to a method for contraception and for reducing menstrual problems and inducing amcnorrhca, whcrcin an intrauterine delivery device is used for the controlled release of a combination of progestogen or a drug having a progestogenic activity and at least one therapeutically active substance capable of preventing or suppressing abnormal and/or irregular endometrial bleeding over a prolonged period of time.Type: ApplicationFiled: May 18, 2018Publication date: September 20, 2018Applicant: Bayer OyInventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti, Tuula Valo, Ina Gröticke, Bernhard Lindenthal, Ulrike Fuhrmann
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Patent number: 9999592Abstract: The invention relates to a method for contraception and for reducing menstrual problems and inducing amenorrhea, wherein an intrauterine delivery device is used for the controlled release of a combination of progestogen or a drug having a progestogenic activity and at least one therapeutically active substance capable of preventing or suppressing abnormal and/or irregular endometrial bleeding over a prolonged period of time.Type: GrantFiled: July 3, 2013Date of Patent: June 19, 2018Assignee: Bayer OyInventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti, Tuula Valo, Ina Gröticke, Bernhard Lindenthal, Ulrike Fuhrmann
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Publication number: 20170312219Abstract: The invention is related to an improved method of contraception, for preventing or suppressing abnormal and/or irregular endometrial bleeding and achieving a rapid induction of amenorrhea by using an intrauterine delivery system comprising controlled release levonorgestrel over a prolonged period of time and at a therapeutic level required for contraception, and a sufficient amount of NSAID capable of suppressing abnormal and/or irregular endometrial bleedingType: ApplicationFiled: July 14, 2017Publication date: November 2, 2017Applicant: Bayer OyInventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti, Tuula Valo, Ina Gröticke, Bernhard Lindenthal, Ulrike Fuhrmann
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Publication number: 20160262923Abstract: The present invention relates to an improved method of contraception which addresses the problems of initial bleeding and spotting associated with the use of intrauterine delivery systems, and to an improved intrauterine delivery system.Type: ApplicationFiled: October 14, 2014Publication date: September 15, 2016Applicant: Bayer OyInventors: Manja AHOLA, Christine TALLING, Bernhard LINDENTHAL, Ulrike FUHRMANN, Lüder M. FELS, Katja PRELLE, Norbert SCHMEES
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Publication number: 20140309598Abstract: The present invention relates to the field of drug delivery systems. More particularly, the invention relates to osmotically active intravaginal delivery systems for the controlled release of therapeutically active substances to the vaginal cavity.Type: ApplicationFiled: November 1, 2012Publication date: October 16, 2014Applicant: BAYER OYInventors: Manja Ahola, Stefan Bracht, Harri Jukarainen, Pirjo Kortesuo, Heikki Lyytikäinen, Mikael Stolt
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Publication number: 20140127280Abstract: The invention relates to a method for contraception and for reducing menstrual problems and inducing amenorrhea, wherein an intrauterine delivery device is used for the controlled release of a combination of progestogen or a drug having a progestogenic activity and at least one therapeutically active substance capable of preventing or suppressing abnormal and/or irregular endometrial bleeding over a prolonged period of time.Type: ApplicationFiled: July 3, 2013Publication date: May 8, 2014Inventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti
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Publication number: 20110146693Abstract: The invention relates to a method for contraception and for reducing menstrual problems and inducing amenorrhea, wherein an intrauterine delivery device is used for the controlled release of a combination of progestogen or a drug having a progestogenic activity and at least one therapeutically active substance capable of preventing or suppressing abnormal and/or irregular endometrial bleeding over a prolonged period of time.Type: ApplicationFiled: July 1, 2009Publication date: June 23, 2011Inventors: Bernd Duesterberg, Manja Ahola, Jyrki Pihlaja, Heikki Lyytikäinen, Harri Jukarainen, Satu Kleemola, Tero Parkatti
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Patent number: 7897166Abstract: A method for preparing controllably biodegradable silica fibres which includes spinning the fibres from a silica sol of controlled viscosity, controllably biodegradable silica fibres prepared according to the method, methods for controlling the biodegradability of the fibres, the use of controllably biodegradable fibres as sustained and/or controlled release delivery devices for biologically active agents, and pharmaceutical preparations containing such devices.Type: GrantFiled: February 21, 2000Date of Patent: March 1, 2011Assignee: DelSiTech OyInventors: Mika Jokinen, Timo Peltola, Sinikka Veittola, Manja Ahola, Pirjo Kortesuo
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Patent number: 7727543Abstract: A biodegradable carrier is produced for preservation and/or controlled delivery of biologically active agents where said biodegradable carrier is a silica xerogel which is made from water and silane by using acid or base as a catalyst, and biologically active agents in said biodegradable carrier are infecting and/or transfecting viruses. Silica xerogel material can be pharmaceutically acceptable and it can be used as a medicine.Type: GrantFiled: December 23, 2008Date of Patent: June 1, 2010Assignee: DelSiTech OyInventors: Mika Koskinen, Eija Säilynoja, Manja Ahola, Harry Jalonen, Jukka Salonen, Veli-Matti Kähäri
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Publication number: 20090104245Abstract: A biodegradable carrier is produced for preservation and/or controlled delivery of biologically active agents where said biodegradable carrier is a silica xerogel which is made from water and silane by using acid or base as a catalyst, and biologically active agents in said biodegradable carrier are infecting and/or transfecting viruses. Silica xerogel material can be pharmaceutically acceptable and it can be used as a medicine.Type: ApplicationFiled: December 23, 2008Publication date: April 23, 2009Inventors: Mika KOSKINEN, Eija Sailynoja, Manja Ahola, Harry Jalonen, Jukka Salonen, Veli-Matti Kahari
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Patent number: 7485318Abstract: A biodegradable carrier is produced for preservation and/or controlled delivery of biologically active agents where the biodegradable carrier is a silica xerogel which is made from water and silane by using acid or base as a catalyst, and biologically active agents in the biodegradable carrier are infecting and/or transfecting viruses. Silica xerogel material can be pharmaceutically acceptable and it can be used as a medicine.Type: GrantFiled: February 1, 2002Date of Patent: February 3, 2009Assignee: DelSiTech OyInventors: Mika Koskinen, Eija Säilynoja, Manja Ahola, Harry Jalonen, Jukka Salonen, Veli-Matti Kähäri
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Patent number: 7326422Abstract: Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this device. Medical devices for orthopedic and surgical purposes which contain controllably dissolvable silica-xerogels, which may further include a biologically active agent.Type: GrantFiled: April 21, 2004Date of Patent: February 5, 2008Assignee: DelSiTech OyInventors: Manja Ahola, Heidi Fagerholm, Ilkka Kangasniemi, Juha Kiesvaara, Pirjo Kortesuo, Kauko Kurkela, Niilo Saarinen, Antti Yli-Urpo
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Patent number: 7112339Abstract: A composition for controlled release of a biologically active agent from a carrier. The biologically active agent is heparin or a related biologically active acidic polysaccharide and the carrier is a sol-gel derived silica xerogel. The xerogel is derived from a tetraalkoxysilane such as tetrethoxysilane (TEOS) and part of the tetraalkoxysilane is replaced by an organomodified alkoxysilane, preferably an akylsubsitituted alkoxysilane. The invention also includes a method for the preparation of this composition.Type: GrantFiled: August 22, 2000Date of Patent: September 26, 2006Assignee: DelSiTech OyInventors: Manja Ahola, Eija Säilynoja, Jukka Salonen, Risto Penttinen, Antti Yli-Urpo
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Patent number: 6991802Abstract: A material for medical use in humans and/or animals bearing a biologically active agent, the material being multilayered, as well as a device of this material and a method to produce it. The material includes a core material, where the core material is formed into a body, optionally having the shape of a finished device; two or more layers of coating material of which the first layer has been applied onto the core material and additional layers have been applied onto the coating material of a preceding layer; and where at least one of the layers includes the biologically active agent. A feature of this invention is that the coating material is a biopolymer, a sol-gel produced silica gel or a biologically active molecule.Type: GrantFiled: August 29, 2000Date of Patent: January 31, 2006Assignee: DelSiTech OyInventors: Manja Ahola, Risto Penttinen, Anders Södergård, Antti Yli-Urpo
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Publication number: 20040247674Abstract: A delivery system including at least one core and a membrane. The core and the membrane include an elastomer composition containing, e.g., poly(dimethylsiloxane), a siloxane-based elastomer having 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units and/or poly(alkylene oxide) groups, present as alkoxy-terminated grafts or blocks linked to the polysiloxane units by silicon-carbon bonds, or as a mixture of these forms. The delivery system is preferably an implant or an interuterine, intracervical or intravaginal system.Type: ApplicationFiled: March 12, 2004Publication date: December 9, 2004Inventors: Timo Haapakumpu, Juha Ala-Sorvari, Marko Aaltonen, Antti Keinanen, Manja Ahola
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Publication number: 20040197414Abstract: Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this device. Medical devices for orthopedic and surgical purposes which contain controllably dissolvable silica-xerogels, which may further include a biologically active agent.Type: ApplicationFiled: April 21, 2004Publication date: October 7, 2004Inventors: Manja Ahola, Heidi Fagerholm, Ilkka Kangasniemi, Juha Kiesvaara, Pirjo Kortesuo, Kauko Kurkela, Niilo Saarinen, Antti Yli-Urpo
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Patent number: 6764690Abstract: Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this device. Medical devices for orthopedic and surgical purposes which contain controllably dissolvable silica-xerogels, which may further include a biologically active agent.Type: GrantFiled: June 25, 2002Date of Patent: July 20, 2004Assignee: DelSiTech OyInventors: Manja Ahola, Heidi Fagerholm, Ilkka Kangasniemi, Juha Kiesvaara, Pirjo Kortesuo, Kauko Kurkela, Niilo Saarinen, Antti Yli-Urpo