Patents by Inventor Carlton Maurice Truesdale
Carlton Maurice Truesdale 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: 20220332635Abstract: The methods generally include contacting an alkali-containing glass article having a first alkali metal cation with a molten salt bath including from 0.1 wt. % to 3 wt. % nanoparticles and at least one alkali metal salt having a second alkali metal cation that has an atomic radius larger than an atomic radius of the first alkali metal cation. The nanoparticles may include at least one of metalloid oxide nanoparticles and metal oxide nanoparticles. The methods also include maintaining contact of the glass article with the molten salt bath to allow the first alkali metal cations to be exchanged with the second alkali metal cations of the molten salt bath. Further, the methods may include removing the glass article from contact with the molten salt bath to produce a strengthened glass article. A Surface Hydrolytic Resistance titration volume of the strengthened glass article may be less than 1.5 mL.Type: ApplicationFiled: July 7, 2020Publication date: October 20, 2022Inventors: Sinue Gomez-Mower, Yuhui Jin, Aize Li, Kelly Ann Murphy, Carlton Maurice Truesdale
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Patent number: 10472278Abstract: A method of treating a substrate in a pressure vessel that includes the steps: preparing an ion-exchange bath with a bath composition that comprises a polar solvent and a plurality of ion-exchanging ions in a vessel; submersing a substrate having an outer region containing a plurality of exchangeable ions in the bath; pressurizing the bath in the vessel to a predetermined pressure substantially above ambient pressure; heating the bath in the vessel to a predetermined temperature; and treating the substrate for a predetermined ion-exchange duration at the predetermined pressure and temperature such that a portion of the plurality of exchangeable ions is exchanged with a portion of the ion-exchanging ions. The substrate can consist essentially of a glass, glass-ceramic or ceramic substrate composition, and the predetermined ion-exchange duration, temperature and pressure can each be selected based at least in part on the substrate composition and the bath composition.Type: GrantFiled: April 7, 2015Date of Patent: November 12, 2019Assignee: CORNING INCORPORATEDInventors: Arthur Winston Martin, Carlton Maurice Truesdale
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Publication number: 20170029325Abstract: A method of treating a substrate in a pressure vessel that includes the steps: preparing an ion-exchange bath with a bath composition that comprises a polar solvent and a plurality of ion-exchanging ions in a vessel; submersing a substrate having an outer region containing a plurality of exchangeable ions in the bath; pressurizing the bath in the vessel to a predetermined pressure substantially above ambient pressure; heating the bath in the vessel to a predetermined temperature; and treating the substrate for a predetermined ion-exchange duration at the predetermined pressure and temperature such that a portion of the plurality of exchangeable ions is exchanged with a portion of the ion-exchanging ions. The substrate can consist essentially of a glass, glass-ceramic or ceramic substrate composition, and the predetermined ion-exchange duration, temperature and pressure can each be selected based at least in part on the substrate composition and the bath composition.Type: ApplicationFiled: April 7, 2015Publication date: February 2, 2017Inventors: Arthur Winston Martin, Carlton Maurice Truesdale
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Publication number: 20160145152Abstract: A method of treating a substrate is provided that includes the steps: submersing a substrate having an outer region containing a plurality of divalent exchangeable ions in a bath that comprises a polar solvent and a plurality of divalent ion-exchanging ions, the substrate comprising a glass, glass-ceramic or ceramic; pressurizing the bath to a predetermined pressure substantially above ambient pressure; and heating the bath to a predetermined temperature above ambient temperature. The method also includes a step of treating the substrate for a predetermined ion-exchange duration such that a portion of the plurality of divalent exchangeable ions is exchanged with a portion of the divalent ion-exchanging ions. In addition, the step of treating the substrate results in a greater number of divalent ion-exchanging ions entering the substrate than divalent exchangeable ions exiting the substrate.Type: ApplicationFiled: November 24, 2015Publication date: May 26, 2016Inventors: Arthur Winston Martin, John Christopher Mauro, Carlton Maurice Truesdale
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Patent number: 8362407Abstract: An apparatus for small particle and nanoparticle synthesis. A durable particle generator capable of high temperature particle synthesis. The particle generator is configured as to minimize susceptor degradation associated with harsh reaction conditions, for example, using encased susceptors.Type: GrantFiled: November 4, 2010Date of Patent: January 29, 2013Assignee: Corning IncorporatedInventors: Calvin Thomas Coffey, Andrey V Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Carlton Maurice Truesdale
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Publication number: 20110052460Abstract: The present invention relates generally to an apparatus for small particle and nanoparticle synthesis. A durable particle generator capable of high temperature particle synthesis is disclosed. The particle generator is configured as to minimize susceptor degradation associated with harsh reaction conditions.Type: ApplicationFiled: November 4, 2010Publication date: March 3, 2011Inventors: Calvin Thomas Coffey, Andrey V. Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Carlton Maurice Truesdale
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Publication number: 20110008246Abstract: Systems and methods for generating nanomaterial are described wherein a reaction, for example, oxidation, for generating nanomaterial occurs in an open reaction zone which is external to the nanoparticle generator. The systems and methods minimize damage to the hot wall reactors evident in conventional systems and methods used to generate nanomaterial.Type: ApplicationFiled: February 23, 2009Publication date: January 13, 2011Applicant: CORNING INCORPORATEDInventors: Calvin Thomas Coffey, Andrey V. Filippov, Clinton Damon Osterhout, Carlton Maurice Truesdale
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Publication number: 20100316882Abstract: Nanomaterial and methods for generating nanomaterial are described wherein a reaction, for example, decomposition, for generating nanomaterial occurs utilizing a hot wall reactor.Type: ApplicationFiled: February 25, 2009Publication date: December 16, 2010Inventors: Andrey V. Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Kamal Kishore Soni, Carlton Maurice Truesdale
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Publication number: 20100126227Abstract: Methods for coating a glass substrate as it is being drawn, for example, during fusion draw or during fiber draw are described. The coatings are conductive coatings which can also be transparent. The conductive thin film coated glass substrates can be used in, for example, display devices, solar cell applications and in many other rapidly growing industries and applications.Type: ApplicationFiled: September 30, 2009Publication date: May 27, 2010Inventors: Curtis Robert Fekety, Andrey V. Filippov, Clinton Damon Osterhout, Carlton Maurice Truesdale
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Publication number: 20090214770Abstract: Methods for coating a glass substrate as it is being drawn, for example, during fusion draw or during fiber draw are described. The coatings are conductive metal oxide coatings which can also be transparent. The conductive thin film coated glass substrates can be used in, for example, display devices, solar cell applications and in many other rapidly growing industries and applications.Type: ApplicationFiled: February 21, 2008Publication date: August 27, 2009Inventors: Dilip Kumar Chatterjee, Curtis Robert Fekety, Clinton Damon Osterhout, Zhen Song, Carlton Maurice Truesdale, Ji Wang
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Publication number: 20090029064Abstract: An apparatus utilizing a hot wall reactor and methods for making nanoparticles are described. The nanoparticles can be collected in bulk or deposited onto a base substrate. The hot wall reactor utilizes gas-phase synthesis to produce nanoparticles. Inorganic nanoparticles deposited onto a substrate are useful, for example, for biological applications, for example, biomolecule attachment such as DNA, RNA, protein and the like. The inorganic porous substrates are also useful for cell growth applications.Type: ApplicationFiled: July 25, 2007Publication date: January 29, 2009Inventors: Carlton Maurice Truesdale, Joseph Marc Whalen
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Patent number: 7393385Abstract: An apparatus useful for electrostatic deposition (ESD) of aerosol particles and methods of depositing the aerosol particles onto a substrate are disclosed. The ESD apparatus and the method of the present invention are useful for electrostatically depositing nanoparticles produced by gas-phase synthesis onto a substrate where the velocity of the flow of aerosol can be controlled.Type: GrantFiled: February 28, 2007Date of Patent: July 1, 2008Assignee: Corning IncorporatedInventors: Calvin Thomas Coffey, Curtis Robert Fekety, Andrey V Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Carlton Maurice Truesdale
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Patent number: 7361207Abstract: A system useful for electrostatic deposition (ESD) of aerosol particles and methods of depositing the aerosol particles onto a substrate are disclosed. The ESD system and the method of the present invention are useful for electrostatically depositing nanoparticles produced by gas-phase synthesis, using an induction particle generator, onto a substrate. Direct current may be used with minimized corona leakage in the system, which would otherwise be damaging to the induction particle generator.Type: GrantFiled: February 28, 2007Date of Patent: April 22, 2008Assignee: Corning IncorporatedInventors: Calvin Thomas Coffey, Andrey V Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Carlton Maurice Truesdale
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Publication number: 20080050076Abstract: A low-loss photonic waveguide in the form of a Bragg optical fiber is provided that includes a dielectric core region extending along a waveguide axis that is characterized by a low amount of Rayleigh scattering, and a dielectric confinement region surrounding the dielectric core region that includes alternating layers of different glass compositions having relative refractive index differences that are at least 0.10, and preferably at least 0.30. The core region may be formed from air. The confinement region includes alternating high and low index glass layers wherein the high index layers are substantially pure silica mixed with index raising dopants that form enough % of the high index glass layers by weight to achieve the aforementioned 0.10 difference in indices of refraction, while the low index glass layers may be either substantially pure silica, or silica mixed with index lowering dopants to increase the index contrast between the layers.Type: ApplicationFiled: August 23, 2006Publication date: February 28, 2008Inventors: Ming-Jun Li, Daniel Aloysius Nolan, Carlton Maurice Truesdale, James Andrew West
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Publication number: 20080035682Abstract: The present invention relates generally to an apparatus for small particle and nanoparticle synthesis. A durable particle generator capable of high temperature particle synthesis is disclosed. The particle generator is configured as to minimize susceptor degradation associated with harsh reaction conditions.Type: ApplicationFiled: August 10, 2006Publication date: February 14, 2008Inventors: Calvin Thomas Coffey, Andrey V. Filippov, Clinton Damon Osterhout, Martin Andrew Sala, Carlton Maurice Truesdale
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Patent number: 6542683Abstract: Suppression of stimulated Brillouin scattering (SBS) by broadening the energy spectrum of participating SBS photons and/or phonons is achieved in an optical fiber having a core with both radially nonuniform viscosity and CTE profiles provided by alternating layers of glass modifying dopants such as phosphorous and fluorine. The nonuniform thermal expansion and viscosity profiles impart a residual, permanent, nonuniform stress in the fiber. The SBS suppressing effect provided by the nonuniform stress can be controlled and enhanced by applying a uniform or nonuniform tensile force to the fiber as it is being drawn. A preform for the fiber is also disclosed.Type: GrantFiled: January 13, 2000Date of Patent: April 1, 2003Assignee: Corning IncorporatedInventors: Alan Frank Evans, Carlton Maurice Truesdale
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Patent number: 6376010Abstract: The present invention is directed to a silica forming feedstock and a method of making optical waveguides and optical waveguide preforms. The feedstock for use in the manufacturing of germanium doped silica glass products includes a siloxane and a germanium dopant component such as germanium alkoxide. The invention further relates to the manufacturing of optical waveguides and optical waveguide preforms using a fluid feedstock which includes a siloxane and germanium dopant component, preferably germanium alkoxide.Type: GrantFiled: June 16, 1998Date of Patent: April 23, 2002Assignee: Corning IncorporatedInventors: Jeffery Lynn Blackwell, Lisa Anne Moore, Carlton Maurice Truesdale
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Patent number: 6189340Abstract: Disclosed is an optical waveguide fiber having a compressive outer layer that includes TiO2 in the SiO2 matrix glass. The compressive outer layer includes crystalline structures containing TiO2 that are predominately rutile. Also disclosed is a method for making an optical waveguide fiber having a compressive outer layer. The compressive outer layer can contain an additional metal oxide that is preferentially lost from the outer layer, instead of the TiO2, during the drying and consolidation step.Type: GrantFiled: October 21, 1998Date of Patent: February 20, 2001Assignee: Corning IncorporatedInventors: Gerald Eugene Burke, Carlton Maurice Truesdale