Patents by Inventor Paul Valint
Paul Valint 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: 10988610Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: April 14, 2020Date of Patent: April 27, 2021Assignee: Ascensia Diabetes Care Holdings AGInventors: Paul Valint, Jr., Doug H. Williamson, Boru Zhu
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Publication number: 20200362158Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: ApplicationFiled: April 14, 2020Publication date: November 19, 2020Inventors: Paul Valint, JR., Doug H. Williamson, Boru Zhu
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Patent number: 10655004Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: January 3, 2019Date of Patent: May 19, 2020Assignee: Ascensia Diabetes Care Holdings AGInventors: Paul Valint, Jr., Doug H. Williamson, Boru Zhu
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Patent number: 10647846Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: December 28, 2018Date of Patent: May 12, 2020Assignee: Ascensia Diabetes Care Holdings AGInventors: Paul Valint, Doug H. Williamson, Boru Zhu
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Publication number: 20190136038Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Inventors: Paul Valint, JR., Doug H. Williamson, Boru Zhu
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Publication number: 20190136037Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: ApplicationFiled: December 28, 2018Publication date: May 9, 2019Inventors: Paul Valint, Doug H. Williamson, Boru Zhu
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Patent number: 10227485Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: August 23, 2016Date of Patent: March 12, 2019Assignee: Ascensia Diabetics Care Holdings AGInventors: Paul Valint, Doug H. Williamson, Boru Zhu
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Patent number: 10196512Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: December 16, 2016Date of Patent: February 5, 2019Assignee: Ascensia Diabetes Care Holdings AGInventors: Paul Valint, Jr., Doug H. Williamson, Boru Zhu
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Publication number: 20170145203Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: ApplicationFiled: December 16, 2016Publication date: May 25, 2017Inventors: Paul Valint, JR., Doug H. Williamson, Boru Zhu
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Patent number: 9549697Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: GrantFiled: October 27, 2005Date of Patent: January 24, 2017Assignee: Ascensia Diabetes Care Holdings AGInventors: Paul Valint, Jr., Doug H. Williamson, Boru Zhu
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Publication number: 20160376431Abstract: An electrochemical sensor system comprises an electrochemical sensor and a hydrogel composition. The electrochemical sensor has at least a counter electrode and a working electrode. The hydrogel composition contacts the working electrode. The hydrogel composition comprises a first monomer, a second monomer, a cross-linking agent, and a solvent. The first monomer has hydrophilic characteristics. The second monomer has hydrophobic characteristics. The ratio of the first monomer to the second monomer is from about 0.1:99.9 to about 99.9:0.1.Type: ApplicationFiled: August 23, 2016Publication date: December 29, 2016Inventors: Paul Valint, Doug H. Williamson, Boru Zhu
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Patent number: 7625552Abstract: According to an aspect of the present invention, bioactive polymers are provided which have (a) a hydrophilic bioactive portion and (b) at least one hydrophobic polymer group that is linked to the hydrophilic bioactive portion by a covalent linkage that contains a chain transfer agent residue. According to another aspect of the present invention, medical articles are provided with bioactive surface by coating them with a coating material that contains such bioactive polymers.Type: GrantFiled: May 30, 2006Date of Patent: December 1, 2009Assignee: Boston Scientific Scimed, Inc.Inventors: Michael N. Helmus, Paul Valint, Shrirang V. Ranade
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Publication number: 20080045824Abstract: The present invention relates generally to biosensor materials. More specifically, this invention relates to a novel polymeric material that can be useful as a biocompatible membrane for use in biosensor applications.Type: ApplicationFiled: June 14, 2007Publication date: February 21, 2008Applicant: DexCom, Inc.Inventors: Mark Tapsak, Paul Valint
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Publication number: 20070280987Abstract: According to an aspect of the present invention, bioactive polymers are provided which have (a) a hydrophilic bioactive portion and (b) at least one hydrophobic polymer group that is linked to the hydrophilic bioactive portion by a covalent linkage that contains a chain transfer agent residue. According to another aspect of the present invention, medical articles are provided with bioactive surface by coating them with a coating material that contains such bioactive polymers.Type: ApplicationFiled: May 30, 2006Publication date: December 6, 2007Inventors: Michael Helmus, Paul Valint, Shrirang Ranade
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Publication number: 20070232762Abstract: Disclosed is a bearing material of a medical implant comprising a polymer such as UHMWPE and a surface active agent that is not covalently bonded to the polymer. The surface active agent includes a hydrophilic moiety or segment, such as an ethoxylated moiety, and a hydrophobic moiety or segment, such as an alkanol, alkenol, aromatic alcohol, alkylamine, alkenyl amine, alkyl aromatic alcohol, alkanoic acid, alkenoic acid, or any combination thereof. The bearing material has a reduced wear rate. Also disclosed is a method of reducing the wear rate of a polymeric bearing material of a medical implant when it articulates against a hard counterface in the presence of synovial fluid, the method comprising providing a surface active agent in the synovial fluid in close proximity to the bearing surface, the hard counterface, or both.Type: ApplicationFiled: July 28, 2006Publication date: October 4, 2007Applicant: DePuy Products, Inc.Inventors: Craig Ernsberger, Paul Valint, Lawrence Salvati, Yen-Shuo Liao
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Publication number: 20070116740Abstract: A biomedical device, such as a contact lens, has a surface linked to a polymer comprising boronic acid moieties. The boronic acid monomeric units may be derived from an ethylenically unsaturated monomer containing a boronic acid moiety, such as a vinylphenyl boronic acid or a (meth)acrylamido phenyl boronic acid. The boronic acid moieties may be complexed with mucin, especially epithelial mucin.Type: ApplicationFiled: November 21, 2005Publication date: May 24, 2007Inventors: Paul Valint, Joseph McGee, David Vanderbilt, Joseph Salamone
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Publication number: 20070116741Abstract: A biomedical device surface, such as a contact lens surface, is covalently linked to a cationic copolymer. The copolymer may include monomeric units derived from an ethylenically unsaturated monomer containing a quaternary ammonium moiety and monomeric units derived from an ethylenically unsaturated monomer containing a moiety reactive with complementary reactive functionalities at the lens surface. The copolymer may be covalently linked directly to the lens surface, or covalently linked with an intermediate polymer reactive with both the lens surface and the copolymer.Type: ApplicationFiled: November 21, 2005Publication date: May 24, 2007Inventors: Paul Valint, Joseph McGee, David Vanderbilt
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Publication number: 20060171980Abstract: An implantable or insertable medical device is provided that contains at least one polymeric region which comes into contact with a subject upon implantation or insertion of the device into the subject. The polymeric region(s) contain at least one bulk polymer moiety and at least one surface-active polymer moiety that (a) is covalently attached to the bulk polymer moiety/moieties or admixed with the bulk polymer moiety/moieties and (b) is provided in an amount that is effective in providing the polymeric region(s) with a critical surface energy that is between 20 dynes/cm and 30 dynes/cm upon implantation or insertion of the device into the subject.Type: ApplicationFiled: February 1, 2005Publication date: August 3, 2006Inventors: Michael Helmus, Paul Valint, Shrirang Ranade
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Publication number: 20050090607Abstract: The present invention relates generally to biosensor materials. More specifically, this invention relates to a novel polymeric material that can be useful as a biocompatible membrane for use in biosensor applications.Type: ApplicationFiled: October 28, 2003Publication date: April 28, 2005Applicant: DexCom, Inc.Inventors: Mark Tapsak, Paul Valint
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Patent number: 4434062Abstract: Liquid crystals are used in place of microemulsions in a process for chemically enhanced oil recovery. The liquid crystals compositions contain ethoxylated surfactants having appropriately balanced hydrophilic-lipophilic properties. These compositions result in a faster and greater recovery of crude oil as compared to microemulsions.Type: GrantFiled: January 2, 1981Date of Patent: February 28, 1984Assignee: Exxon Research and Engineering Co.Inventors: Alexis A. Oswald, Helen Huang, John Huang, Paul Valint, Jr.