Patents by Inventor Ted Germroth
Ted Germroth 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: 10556973Abstract: Disclosed is a process for making nitrated styrenic fluoropolymers having various degrees of substitution. The nitrated styrenic fluoropolymer is capable of providing an exceptionally high birefringence ranging from 0.02 to 0.036. Further, the birefringence can be tuned by varying the degree of substitution (DS) of the nitro group on the styrenic ring to meet the need for optical compensation film applications. More particularly, the optical compensation films of the present invention are for use in an in-plane switching LCD (IPS-LCD) and OLED display.Type: GrantFiled: August 11, 2017Date of Patent: February 11, 2020Assignee: Akron Polymer Systems, Inc.Inventors: Lang Hu, Liu Deng, Wentao Li, Robert Sharpe, Eduardo Cervo, Thauming Kuo, Bin Wang, Alan Phillips, Xiaoliang Zheng, Peiyao Wang, Dong Zhang, Frank Harris, Ted Germroth
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Patent number: 10126479Abstract: Disclosed is a multilayer optical compensation film comprising a first layer comprising a positive C-plate material and a second layer comprising a polyimide, as well as polymer compositions and resins and solutions containing said polymer compositions. The optical compensation film has a reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation. The optical film can be used in optical devices such as liquid crystal displays (LCD) or organic light emitting diode (OLED) displays.Type: GrantFiled: August 11, 2017Date of Patent: November 13, 2018Assignee: Akron Polymer Systems, Inc.Inventors: Bin Wang, Peiyao Wang, Dong Zhang, Thauming Kuo, Alan Phillips, Lang Hu, Xiaoliang Zheng, Wentao Li, Liu Deng, Frank Harris, Ted Germroth
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Patent number: 10125250Abstract: Disclosed is an optical compensation film made of a solution cast of a polymer blend comprising a nitrated styrenic fluoropolymer and a polyimide. The compensation film is a positive-C plate having reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation. The optical film of the invention can be used in an optical device such as liquid crystal display (LCD) or organic light emitting diode (OLED) display.Type: GrantFiled: August 11, 2017Date of Patent: November 13, 2018Assignee: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Alan Phillips, Bin Wang, Peiyao Wang, Lang Hu, Wentao Li, Liu Deng, Thauming Kuo, Dong Zhang, Frank Harris, Ted Germroth
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Patent number: 10088615Abstract: A polymer blend includes a combination of an acrylic polymer and a styrenic fluoropolymer. The polymer blend may be used to make polymer films having a single glass transition temperature, a polarizing plate, or a display device with enhanced optical properties.Type: GrantFiled: January 22, 2016Date of Patent: October 2, 2018Assignee: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Frank W. Harris, Thauming Kuo, Bin Wang, Ted Germroth, Dong Zhang, Douglas S. McWilliams, Peiyao Wang
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Patent number: 9939554Abstract: An optical compensation film is disclosed herein, which is made by uniaxially or biaxially stretching of a multilayer film including a first polymer film having a refractive index profile satisfying the equations of (nx+ny)/2?nz and |nx?ny|<0.005 and a second polymer film having a refractive index profile satisfying the equations of (nx+ny)/2<nz and |nx?ny|<0.005, wherein nx and ny represent in-plane refractive indices and nz the thickness-direction refractive index of the films, and wherein said optical compensation film has a positive in-plane retardation that satisfies the relations of 0.7<R450/R550<1 and 1<R650/R550<1.25, wherein R450, R550, and R650 are in-plane retardations at the light wavelengths of 450 nm, 550 nm, and 650 nm respectively.Type: GrantFiled: January 24, 2013Date of Patent: April 10, 2018Assignee: Akron Polymer Systems, Inc.Inventors: Bin Wang, Thauming Kuo, Ted Germroth, Dong Zhang, Doug McWilliams, Frank Harris, Jiaokai Jing, Xiaoliang Zheng
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Publication number: 20180072882Abstract: Disclosed is an optical compensation film made of a solution cast of a polymer blend comprising a nitrated styrenic fluoropolymer and a polyimide. The compensation film is a positive-C plate having reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation. The optical film of the invention can be used in an optical device such as liquid crystal display (LCD) or organic light emitting diode (OLED) display.Type: ApplicationFiled: August 11, 2017Publication date: March 15, 2018Applicant: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Alan Phillips, Bin Wang, Peiyao Wang, Lang Hu, Wentao Li, Liu Deng, Thauming Kuo, Dong Zhang, Frank Harris, Ted Germroth
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Publication number: 20180052271Abstract: Disclosed is a multilayer optical compensation film comprising a first layer comprising a positive C-plate material and a second layer comprising a polyimide, as well as polymer compositions and resins and solutions containing said polymer compositions. The optical compensation film has a reversed wavelength dispersion that is capable of providing an achromatic (or broadband) retardation compensation. The optical film can be used in optical devices such as liquid crystal displays (LCD) or organic light emitting diode (OLED) displays.Type: ApplicationFiled: August 11, 2017Publication date: February 22, 2018Applicant: Akron Polymer Systems, Inc.Inventors: Bin Wang, Peiyao Wang, Dong Zhang, Thauming Kuo, Alan Phillips, Lang Hu, Xiaoliang Zheng, Wentao Li, Liu Deng, Frank Harris, Ted Germroth
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Publication number: 20180044444Abstract: Disclosed are optical compensation films with exceptionally high positive out-of-plane birefringence. The optical compensation films are based on substituted styrenic fluoropolymers and have positive out-of-plane bireftingence greater than 0.02 throughout the wavelength range of 400 nm<?<800 nm. The optical compensation films of the invention are suitable for use in optical devices such as liquid crystal display (LCD) devices and organic light emitting diode (OLED) display devices.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Applicant: Akron Polymer Systems, Inc.Inventors: Dong Zhang, Ted Germroth, Thauming Kuo, Xiaoliang Zheng, Chao Chen, Peiyao Wang, Lang Hu, Wentao Li, Alan Phillips, Frank Harris
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Publication number: 20180044447Abstract: Disclosed is a process for making nitrated styrenic fluoropolymers having various degrees of substitution. The nitrated styrenic fluoropolymer is capable of providing an exceptionally high birefringence ranging from 0.02 to 0.036. Further, the birefringence can be tuned by varying the degree of substitution (DS) of the nitro group on the styrenic ring to meet the need for optical compensation film applications. More particularly, the optical compensation films of the present invention are for use in an in-plane switching LCD (IPS-LCD) and OLED display.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Applicant: Akron Polymer Systems, Inc.Inventors: Lang Hu, Liu Deng, Wentao Li, Robert Sharpe, Eduardo Cervo, Thauming Kuo, Bin Wang, Alan Phillips, Xiaoliang Zheng, Peiyao Wang, Dong Zhang, Frank Harris, Ted Germroth
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Publication number: 20160215132Abstract: A polymer blend includes a combination of an acrylic polymer and a styrenic fluoropolymer. The polymer blend may be used to make polymer films having a single glass transition temperature, a polarizing plate, or a display device with enhanced optical properties.Type: ApplicationFiled: January 22, 2016Publication date: July 28, 2016Applicant: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Frank W. Harris, Thauming Kuo, Bin Wang, Ted Germroth, Dong Zhang, Douglas S. McWilliams, Peiyao Wang
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Patent number: 9255192Abstract: An optical compensation film composition is disclosed herein wherein the optical compensation film is stretched to yield a negative A-plate having a refractive index profile of nx<ny=nz. or a biaxial polymer film having a refractive index profile of nx<ny<nz, the film having been stretched from a film cast from a polymer solution comprising a solvent and a polymer having a moiety of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is hydrogen or a substituent on the styrenic ring.Type: GrantFiled: August 11, 2014Date of Patent: February 9, 2016Assignee: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Dong Zhang, Jiaokai Jing, Frank W. Harris, Brian King, Ted Germroth, Thauming Kuo
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Publication number: 20140350166Abstract: An optical compensation film composition is disclosed herein wherein the optical compensation film is stretched to yield a negative A-plate having a refractive index profile of nx<ny=nz. or a biaxial polymer film having a refractive index profile of nx<ny<nz, the film having been stretched from a film cast from a polymer solution comprising a solvent and a polymer having a moiety of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is hydrogen or a substituent on the styrenic ring.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Applicant: AKRON POLYMER SYSTEMS, INC.Inventors: Xiaoliang Zheng, Dong Zhang, Jiaokai Jing, Frank W. Harris, Brian King, Ted Germroth, Thauming Kuo
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Patent number: 8802238Abstract: An optical compensation film composition is disclosed herein having a polymer film and a substrate, wherein the polymer film has a positive birefringence greater than 0.005 throughout the wavelength range of 400 nm<?<800 nm, the film having been cast from a polymer solution comprising a solvent and a polymer having a moiety of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is hydrogen or a substituent on the styrenic ring.Type: GrantFiled: September 24, 2010Date of Patent: August 12, 2014Assignee: Akron Polymer Systems, Inc.Inventors: Xiaoliang Zheng, Dong Zhang, Jiaokai Jing, Frank Harris, Brian King, Ted Germroth, Thauming Kuo
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Publication number: 20140205822Abstract: An optical compensation film is disclosed herein, which is made by uniaxially or biaxially stretching of a multilayer film including a first polymer film having a refractive index profile satisfying the equations of (nx+ny)/2?nz and |nx?ny|<0.005 and a second polymer film having a refractive index profile satisfying the equations of (nx+ny)/2<nz and |nx?ny|<0.005, wherein nx and ny represent in-plane refractive indices and nz the thickness-direction refractive index of the films, and wherein said optical compensation film has a positive in-plane retardation that satisfies the relations of 0.7<R450/R550<1 and 1<R650/R550<1.25, wherein R450, R550, and R650 are in-plane retardations at the light wavelengths of 450 nm, 550 nm, and 650 nm respectively.Type: ApplicationFiled: January 24, 2013Publication date: July 24, 2014Applicant: AKRON POLYMER SYSTEMS, INC.Inventors: BIN WANG, THAUMING KUO, TED GERMROTH, DONG ZHANG, DOUG McWILLIAMS, FRANK HARRIS, JIAOKAI JING, XIAOLIANG ZHENG
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Publication number: 20110076487Abstract: An optical compensation film composition is disclosed herein having a polymer film and a substrate, wherein the polymer film has a positive birefringence greater than 0.005 throughout the wavelength range of 400 nm<?<800 nm, the film having been cast from a polymer solution comprising a solvent and a polymer having a moiety of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is hydrogen or a substituent on the styrenic ring.Type: ApplicationFiled: September 24, 2010Publication date: March 31, 2011Inventors: Xiaoliang Zheng, Dong Zhang, Jiaokai Jing, Frank Harris, Brian King, Ted Germroth, Thauming Kuo
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Publication number: 20070129531Abstract: Described as one aspect of the invention are polyester compositions containing: (I) at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) 70 to 100 mole % of terephthalic acid residues; (ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and (iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and (b) a glycol component comprising: (i) 1 to 99 mole % of 2,2,4,4-tetramethyl-1,3 -cyclobutanediol residues; and (ii) 1 to 99 mole % of cyclohexanedimethanol residues; and (II) at least one thermal stabilizer chosen from at least one of alkyl phosphate esters, aryl phosphate esters, mixed alkyl aryl phosphate esters, reaction products thereof, and mixtures thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %.Type: ApplicationFiled: October 27, 2006Publication date: June 7, 2007Inventors: Ted Germroth, Gary Connell, Emmett Crawford, Thomas Pecorini, Douglas McWilliams, Benjamin Barton, Damon Shackelford
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Publication number: 20070106054Abstract: Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and cyclohexanedimethanol, wherein the inherent viscosity and the Tg of the polyester provides for certain polyester properties. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.Type: ApplicationFiled: October 27, 2006Publication date: May 10, 2007Inventors: Emmett Crawford, Thomas Pecorini, Douglas McWilliams, David Porter, Gary Connell, Ted Germroth, Benjamin Barton, Damon Shackelford
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Publication number: 20070105993Abstract: Described as one aspect of the invention are polyester compositions containing: (I) at least one polyester which comprises: (a) a dicarboxylic acid component comprising: (i) 70 to 100 mole % of terephthalic acid residues; (ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and (iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and (b) a glycol component comprising: (i) 1 to 99 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and (ii) 1 to 99 mole % of cyclohexanedimethanol residues; and (II) at least one thermal stabilizer chosen from at least one phosphorus compound, reaction products thereof, and mixtures thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of the polyester is from 0.35 to 1.2 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.Type: ApplicationFiled: October 27, 2006Publication date: May 10, 2007Inventors: Ted Germroth, Gary Connell, Emmett Crawford, Thomas Pecorini, Douglas McWilliams, Benjamin Barton, Damon Shackelford
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Publication number: 20070100122Abstract: Described are polyesters containing (a) a dicarboxylic acid component having from 70 to 100 mole % of terephthalic acid residues, and up to 30 mole% of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component having from 40 to 65 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and from 35 to 60 mole % of cyclohexanedimethanol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %. The polyesters may be manufactured into articles such as fibers, films, containers, bottles or sheets.Type: ApplicationFiled: October 27, 2006Publication date: May 3, 2007Inventors: Emmett Crawford, Thomas Pecorini, Douglas McWilliams, David Porter, Gary Connell, Ted Germroth, Benjamin Barton, Damon Shackelford
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Publication number: 20070100125Abstract: Described are polyester compositions comprising (a) a dicarboxylicacidcomponent comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; minimal amounts of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; ethylene glycol, and optionally, cyclohexanedimethanol residues.Type: ApplicationFiled: October 27, 2006Publication date: May 3, 2007Inventors: Emmett Crawford, David Porter, Gary Connell, Ted Germroth, Benjamin Barton, Damon Shackelford