Patents by Inventor Derek Schorzman
Derek Schorzman 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: 20170320261Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: ApplicationFiled: July 19, 2017Publication date: November 9, 2017Applicant: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Patent number: 9744715Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: GrantFiled: November 10, 2015Date of Patent: August 29, 2017Assignee: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Publication number: 20160059473Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: ApplicationFiled: November 10, 2015Publication date: March 3, 2016Applicant: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Patent number: 9205594Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: GrantFiled: April 22, 2013Date of Patent: December 8, 2015Assignee: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Patent number: 8877829Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers prepared by the process disclosed herein.Type: GrantFiled: September 24, 2010Date of Patent: November 4, 2014Assignee: Bausch & Lomb IncorporatedInventors: Derek A. Schorzman, Joseph C. Salamone, Daniel M. Ammon, Jr.
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Patent number: 8828420Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic random copolymers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise polymerized siloxane prepolymer containing pendant cationic and polymerizable groups.Type: GrantFiled: December 15, 2006Date of Patent: September 9, 2014Assignee: Bausch & Lomb IncorporatedInventors: Derek A. Schorzman, Joseph C. Salamone, Jay F. Kunzler
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Publication number: 20130241107Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: ApplicationFiled: April 22, 2013Publication date: September 19, 2013Applicant: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Patent number: 8444907Abstract: A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.Type: GrantFiled: December 3, 2009Date of Patent: May 21, 2013Assignee: Liquidia Technologies, Inc.Inventors: Alexander Ermochkine, Derek Schorzman, Jacob Sprague
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Publication number: 20130011618Abstract: A functionalized photocurable perfluoropolyether is used as a material for fabricating a solvent-resistant microfluidic device. Such solvent-resistant microfluidic devices can be used to control the flow of small amounts of a fluid, such as an organic solvent, and to perform microscale chemical reactions that are not amenable to other polymer-based microfluidic devices.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicants: California Institute of Technology, The University of North Carolina at Chapel HillInventors: Joseph M. DeSimone, Jason P. Rolland, Stephen R. Quake, Derek A. Schorzman, Jason Yarbrough, Michael Van Dam
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Patent number: 8268446Abstract: The use of a photocurable perfluoropolyether (PFPE) material for fabricating a solvent-resistant PFPE-based microfluidic device, methods of flowing a material and performing a chemical reaction in a solvent-resistant PFPE-based microfluidic device, and the solvent-resistant PFPE-based microfluidic devices themselves are described. In an embodiment, a method is described for preparing a patterned layer of a photocured perfluoropolyether, the method comprising: (a) providing a substrate, wherein the substrate comprises a patterned surface; (b) contacting a perfluoropolvether precursor with the patterned surface of the substrate; and (c) photocuring the perfluoropolyether precursor to form a patterned layer of a photocured perfluoropolyether.Type: GrantFiled: September 23, 2004Date of Patent: September 18, 2012Assignee: The University of North Carolina at Chapel HillInventors: Joseph M. DeSimone, Jason P. Rolland, Stephen R. Quake, Derek A. Schorzman, Jason Yarbrough, Michael Van Dam
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Patent number: 8198375Abstract: The present invention provides prepolymers based on poly(alkyl ethers) having terminal trifluorovinyl aromatic containing groups and polymers produced from such prepolymers. The prepolymers and polymers are useful as biomedical devices such as contact lenses or intraocular lenses.Type: GrantFiled: April 9, 2009Date of Patent: June 12, 2012Assignee: Bausch & Lomb IncorporatedInventors: Derek Schorzman, Joseph C. Salamone
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Patent number: 8183325Abstract: The present invention provides copolymer having repeating units based on polyoxyalkylene radicals, polysiloxane radicals and perfluorocyclobutane radicals. The copolymers are useful as biomedical devices such as contact lenses or intraocular lenses.Type: GrantFiled: June 2, 2008Date of Patent: May 22, 2012Assignee: Bausch & Lomb IncorporatedInventors: Derek Schorzman, Joseph C. Salamone
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Publication number: 20120095177Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymer compositions comprise polymerized fluorinated polyether monomer end-capped with ethylenically unsaturated cationic hydrophilic groups.Type: ApplicationFiled: December 21, 2011Publication date: April 19, 2012Inventors: Derek Schorzman, Jay Kunzier
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Patent number: 8138288Abstract: This application is directed toward an improved method of synthesizing cationic siloxane prepolymers as well as a specific cationic siloxane prepolymer having improved compatibility with monofunctional siloxanyl methacrylate monomers and medical devices containing the cationic siloxane prepolymer.Type: GrantFiled: March 3, 2011Date of Patent: March 20, 2012Assignee: Bausch & Lomb IncorporatedInventors: Jason K. Stanbro, Ivan M. Nunez, Jay F. Kunzler, Derek A. Schorzman
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Patent number: 8133512Abstract: Matrix controlled diffusion drug delivery systems based on one or more silicon-containing monomers of the general formula: wherein L, X?, n, R1, R2, R3, R4, R5, R6, R7 and V are as set forth herein.Type: GrantFiled: July 8, 2009Date of Patent: March 13, 2012Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, Derek Schorzman, Daniel M. Ammon, Jr.
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Patent number: 8133511Abstract: Matrix controlled diffusion drug delivery systems are described herein which are based on one or more silicon-containing monomers of the general formula: wherein L, X?, n, R1, R2, R3, R4, R5, R6, R7 and V are as set forth herein.Type: GrantFiled: July 8, 2009Date of Patent: March 13, 2012Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, Derek Schorzman, Daniel M. Ammon, Jr.
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Patent number: 8105623Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymer compositions comprise polymerized fluorinated polyether monomer end-capped with ethylenically unsaturated cationic hydrophilic groups.Type: GrantFiled: June 30, 2006Date of Patent: January 31, 2012Assignee: Bausch & Lomb IncorporatedInventors: Derek Schorzman, Jay Kunzler
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Publication number: 20110146206Abstract: This application is directed toward an improved method of synthesizing cationic siloxane prepolymers as well as a specific cationic siloxane prepolymer having improved compatibility with monofunctional siloxanyl methacrylate monomers and medical devices containing the cationic siloxane prepolymer.Type: ApplicationFiled: March 3, 2011Publication date: June 23, 2011Inventors: Jason K. Stanbro, Ivan M. Nunez, Jay F. Kunzler, Derek A. Schorzman
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Patent number: 7960447Abstract: The present invention relates to hydrophilic dicationic siloxane prepolymers with one polymerizable vinyl moiety instead of two polymerizable vinyl moieties, resulting in contact lenses and/or biomedical devices with reduced cross-link density and modulus without detracting from other properties.Type: GrantFiled: April 13, 2006Date of Patent: June 14, 2011Assignee: Bausch & Lomb IncorporatedInventors: Derek Schorzman, Jay Kunzler
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Patent number: 7951897Abstract: This application is directed toward an improved method of synthesizing cationic siloxane prepolymers as well as a specific cationic siloxane prepolymer having improved compatibility with monofunctional siloxanyl methacrylate monomers and medical devices containing the cationic siloxane prepolymer.Type: GrantFiled: January 24, 2008Date of Patent: May 31, 2011Assignee: Bausch & Lomb IncorporatedInventors: Jason K. Stanbro, Ivan M. Nunez, Jay F. Kunzler, Derek A. Schorzman