Patents by Inventor Hans Jorg Griesser
Hans Jorg Griesser 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).
-
Patent number: 9612455Abstract: A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about 10000 ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods. In one embodiment, the prepolymer mixture comprises at least one oxyperm material containing hydrophilic groups, wherein the at least one oxyperm material is a siloxane-containing macromer or monomer, at least one ionperm material, and a cross-linking agent. In certain embodiments, the polymerization of the prepolymer mixture may be carried out in an atmosphere having less than about 1000 ppm oxygen.Type: GrantFiled: September 23, 2013Date of Patent: April 4, 2017Assignee: Novartis AGInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Publication number: 20140022507Abstract: A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about 10000 ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods. In one embodiment, the prepolymer mixture comprises at least one oxyperm material containing hydrophilic groups, wherein the at least one oxyperm material is a siloxane-containing macromer or monomer, at least one ionperm material, and a cross-linking agent. In certain embodiments, the polymerization of the prepolymer mixture may be carried out in an atmosphere having less than about 1000 ppm oxygen.Type: ApplicationFiled: September 23, 2013Publication date: January 23, 2014Applicant: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 8568626Abstract: A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about 10000 ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods. In one embodiment, the prepolymer mixture comprises at least one oxyperm material containing hydrophilic groups, wherein the at least one oxyperm material is a siloxane-containing macromer or monomer, at least one ionoperm material, and a cross-linking agent. In certain embodiments, the polymerization of the prepolymer mixture may be carried out in an atmosphere having less than about 1000 ppm oxygen.Type: GrantFiled: October 16, 2008Date of Patent: October 29, 2013Assignee: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 8415404Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. In one embodiment, an ophthalmic lens is a copolymerization product of at least one oxyperm, at least one ionoperm, and a crosslinker. In one embodiment, a lens has a tensile modulus of less than about 3.0 MPa, yet in another embodiment, the tensile modulus is between about 0.5 to about 1.5 MPa.Type: GrantFiled: June 4, 2010Date of Patent: April 9, 2013Assignee: Ciba Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorg Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Publication number: 20100238398Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. In one embodiment, an opthalmic lens is a copolymerization product of at least one oxyperm, at least one ionoperm, and a crosslinker. In one embodiment, a lens has a tensile modulus of less than about 3.0 MPa, yet in another embodiment, the tensile modulus is between about 0.5 to about 1.5 MPa.Type: ApplicationFiled: June 4, 2010Publication date: September 23, 2010Applicant: CIBA VISION CORPORATIONInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jörg Griesser, Arthur Ho, Jens Hõpken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, JR., Jürgen Vogt, Lynn Cook Winterton
-
Patent number: 7553880Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: December 30, 2006Date of Patent: June 30, 2009Assignee: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 7538146Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: December 30, 2006Date of Patent: May 26, 2009Assignee: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Publication number: 20090046242Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. In one embodiment, an opthalmic lens is a copolymerization product of at least one oxyperm, at least one ionoperm, and a crosslinker. In one embodiment, a lens has a tensile modulus of less than about 3.0 MPa, yet in another embodiment, the tensile modulus is between about 0.5 to about 1.5 MPa.Type: ApplicationFiled: October 16, 2008Publication date: February 19, 2009Applicant: CIBA VISION CORPORATIONInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorge Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, JR., Jurgen Vogt, Lynn Cook Winterton
-
Publication number: 20090039535Abstract: A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods. In one embodiment, the prepolymer mixture comprises at least one oxyperm material containing hydrophilic groups, wherein the at least one oxyperm material is a siloxane-containing macromer or monomer, at least one ionperm material, and a cross-linking agent. In certain embodiments, the polymerization of the prepolymer mixture may be carried out in an atmosphere having less than about 1000 ppm oxygen.Type: ApplicationFiled: October 16, 2008Publication date: February 12, 2009Applicant: CIBA Vison CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorg Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, JR., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 7468398Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: June 7, 2005Date of Patent: December 23, 2008Assignee: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorg Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 6951894Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: August 17, 2000Date of Patent: October 4, 2005Assignee: CIBA Vision CorporationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jörg Griesser, Arthur Ho, Jens Höpken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jürgen Vogt, Lynn Cook Winterton
-
Patent number: 6923978Abstract: The invention is directed to a composite material, especially a biomedical device, e.g. an ophthalmic device, preferably a contact lens, with one or more wettable surfaces capable of holding a continuous layer of aqueous fluid thereon which composite material comprises a bulk material and a hydrophilic coating characterized in that the hydrophilic coating consists of a carbohydrate attached covalently to reactive groups at the surface of the bulk material, either directly or via functional groups of an oligofunctional compound, said oligofunctional compound in turn having functional groups being capable of reacting with said reactive groups at the surface of the bulk material and with the carbohydrate, wherein said reactive groups are either inherently (a priori) present in the bulk material or wherein said reactive groups have been attached to the surface of the bulk material by a plasma surface preparation, as well as to a process of manufacture of such a composite material.Type: GrantFiled: February 19, 2003Date of Patent: August 2, 2005Assignee: Novartis AGInventors: Ronald Christopher Chatelier, Liming Dai, Hans Jörg Griesser, Sheng Li, Paul Zientek, Dieter Lohmann, Peter Chabrecek
-
Patent number: 6623747Abstract: The invention is directed to a composite material, especially a biomedical device, e.g. an ophthalmic device, preferably a contact lens, with one or more wettable surfaces capable of holding a continous layer of aqueous fluid thereon which composite material comprises a bulk material and a hydrophilic coating characterized in that the hydrophilic coating consists of a carbohydrate attached covalently to reactive groups at the surface of the bulk material, either directly or via functional groups of an oligofunctional compound, said oligofunctional compound in turn having functional groups being capable of reacting with said reactive groups at the surface of the bulk material and with the carbohydrate, wherein said reactive groups are either inherently (a priori) present in the bulk material or wherein said reactive groups have been attached to the surface of the bulk material by a plasma surface preparation, as well as to a process of manufacture of such a composite material.Type: GrantFiled: February 14, 1996Date of Patent: September 23, 2003Assignee: Novartis AGInventors: Ronald Christopher Chatelier, Liming Dai, Hans Jörg Griesser, Sheng Li, Paul Zientek, Dieter Lohmann, Peter Chabrecek
-
Publication number: 20030175325Abstract: The invention is directed to a composite material, especially a biomedical device, e.g. an ophthalmic device, preferably a contact lens, with one or more wettable surfaces capable of holding a continous layer of aqueous fluid thereon which composite material comprises a bulk material and a hydrophilic coating characterized in that the hydrophilic coating consists of a carbohydrate attached covalently to reactive groups at the surface of the bulk material, either directly or via functional groups of an oligofunctional compound, said oligofunctional compound in turn having functional groups being capable of reacting with said reactive groups at the surface of the bulk material and with the carbohydrate, wherein said reactive groups are either inherently (a priori) present in the bulk material or wherein said reactive groups have been attached to the surface of the bulk material by a plasma surface preparation, as well as to a process of manufacture of such a composite material.Type: ApplicationFiled: February 19, 2003Publication date: September 18, 2003Inventors: Ronald Christopher Chatelier, Liming Dai, Hans Jorg Griesser, Sheng Li, Paul Zientek, Dieter Lohmann, Peter Chabrecek
-
Patent number: 6582754Abstract: The invention relates to a process for coating a material surface, comprising the steps of: (a) covalently binding a compound comprising an ethylenically unsaturated double bond to the material surface; (b) polymerizing a monomer comprising a reactive or crosslinkable group on the surface and thereby providing a primary polymer coating comprising reactive or crosslinkable groups, (c) in case of a monomer comprising a reactive group in step (b) reacting the reactive groups of the primary coating with a further compound comprising an ethylenically unsaturated double bond and graft-polymerizing a hydrophilic monomer and optionally a co-monomer having a crosslinkable group onto the primary coating obtained according to step (b) and (d) in case of crosslinkable groups being present in step (b) or (c) initiating crosslinking of said groups.Type: GrantFiled: October 27, 2000Date of Patent: June 24, 2003Assignee: Novartis AGInventors: Paul Pasic, Hans Jörg Griesser, Peter Kambouris, Peter Chabrecek
-
Patent number: 6514573Abstract: A method for reducing crazing in a plastics material characterised in that it comprises the steps of: (1) cleaning the surface of the material; and (2) exposing the cleaned surface to plasma of a monomer vapour so as to produce a substantially non-oxidising plasma polymer coating on the surface.Type: GrantFiled: March 25, 1999Date of Patent: February 4, 2003Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Jonathan Howard Hodgkin, Hans Jorg Griesser, Thomas Reinhold Gengenbach
-
Publication number: 20030008397Abstract: The present invention is directed to a process for coupling an adhesive glycoprotein to a surface of a bulk material comprising the following steps:Type: ApplicationFiled: July 17, 2002Publication date: January 9, 2003Inventors: Gerrit Jan Beumer, Ronald Christopher Chatelier, Hans Jorg Griesser, Graham Johnson, Keith Michael McLean
-
Patent number: 6299787Abstract: A method of providing adhesion to a fluorinated polymer including exposing at least a portion of the surface of the fluorinated polymer to plasma discharge in an atmosphere containing an organic amine.Type: GrantFiled: December 2, 1998Date of Patent: October 9, 2001Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sheng Li, Hans Jorg Griesser
-
Patent number: 5965631Abstract: An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: July 1, 1998Date of Patent: October 12, 1999Assignees: CIBA Vision Corporation, Commonwealth Scientific and Industrial Research OrganisationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorg Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton
-
Patent number: 5849811Abstract: An ophthalmic lens suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.Type: GrantFiled: July 17, 1996Date of Patent: December 15, 1998Assignees: CIBA Vision Corporation, The Commonwealth of Australia Commonwealth Scientific and Industrial Research OrganizationInventors: Paul Clement Nicolson, Richard Carlton Baron, Peter Chabrecek, John Court, Angelika Domschke, Hans Jorg Griesser, Arthur Ho, Jens Hopken, Bronwyn Glenice Laycock, Qin Liu, Dieter Lohmann, Gordon Francis Meijs, Eric Papaspiliotopoulos, Judy Smith Riffle, Klaus Schindhelm, Deborah Sweeney, Wilson Leonard Terry, Jr., Jurgen Vogt, Lynn Cook Winterton