Patents by Inventor John Walker Gilmer
John Walker Gilmer 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: 9492991Abstract: In one aspect the present invention relates to a method of making an encapsulated electrically energized device, the method comprising: providing a first layer and a second layer each independently comprising a copolyester, a polycarbonate, a polyacrylate, polycarbonate/polyester miscible blends, or mixtures thereof, providing the electrically energized between the first and second layer, thermocompressively fusing the first layer and the second layer to encapsulate the electrically energized device by applying pressure at a temperature, sufficient to form the article, to a perimeter of the surface of the first and second layers, wherein the perimeter does not overlap the electrically energized device, wherein the temperature at the interface of the first and second layers is equal to or greater than Tg of the first layer and the second layer, and wherein the polyester layers have a flow during encapsulation less than the flow that induces fractures in the electrically energized device.Type: GrantFiled: June 4, 2012Date of Patent: November 15, 2016Assignee: Eastman Chemical CompanyInventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
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Publication number: 20130143052Abstract: In one aspect the present invention relates to a method of making an encapsulated electrically energized device, the method comprising: providing a first layer and a second layer each independently comprising a copolyester, a polycarbonate, a polyacrylate, polycarbonate/polyester miscible blends, or mixtures thereof, providing the electrically energized between the first and second layer, thermocompressively fusing the first layer and the second layer to encapsulate the electrically energized device by applying pressure at a temperature, sufficient to form the article, to a perimeter of the surface of the first and second layers, wherein the perimeter does not overlap the electrically energized device, wherein the temperature at the interface of the first and second layers is equal to or greater than Tg of the first layer and the second layer, and wherein the polyester layers have a flow during encapsulation less than the flow that induces fractures in the electrically energized device.Type: ApplicationFiled: June 4, 2012Publication date: June 6, 2013Applicant: EASTMAN CHEMICAL COMPANYInventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
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Patent number: 7375144Abstract: Disclosed are radiation-curable, abrasion resistant coating compositions for thermoplastic substrates which provides superior abrasion, chemical, and impact resistance properties. The coating composition includes at least one flexible diacrylate component, at least one aromatic diacrylate component, and at least one urethane acrylate. Also disclosed are shaped articles having the coating composition applied to at least one surface and cured by exposure to radiation.Type: GrantFiled: June 16, 2005Date of Patent: May 20, 2008Assignee: Eastman Chemical CompanyInventor: John Walker Gilmer
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Publication number: 20080085390Abstract: In one aspect the present invention relates to a method of making an encapsulated electrically energized device, the method comprising: providing a first layer and a second layer each independently comprising a copolyester, providing the electrically energized between the first and second layer, thermocompressively fusing the first layer and the second layer to encapsulate the electrically energized device by applying pressure at a temperature sufficient to form the article, wherein the temperature at an interface between the first and second layers is equal to or greater than Tg of the first layer and the second layer, and wherein the polyester layers have a flow during encapsulation less than the flow that induces fractures in the electrically energized device.Type: ApplicationFiled: July 13, 2007Publication date: April 10, 2008Inventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
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Patent number: 7030181Abstract: A film or sheet having a glass transition temperature below about 23° C. and a melting temperature greater than about 120° C. is prepared by first preparing a polyester composition of about 50 to about 95 weight percent of a base copolyester having a melting temperature of less than about 220° C. and exhibiting more than about 1 percent crystallinity after annealing for 2000 minutes at a temperature of which the base copolyester has a maximum crystallization rate; and about 5 to about 50 weight percent of a plasticizer suitable for use with the base copolyester. The polyester composition is formed into a film or sheet. During formation of the film or sheet or afterwards, crystallization is induced to provide a soft and flexible film or sheet.Type: GrantFiled: February 28, 2002Date of Patent: April 18, 2006Assignee: Eastman Chemical CompanyInventors: Eric Jon Moskala, Kevin Douglas Horton, Rodney Layne Piner, John Walker Gilmer
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Patent number: 6828370Abstract: The invetion is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix oplymer and a layered clay material having decreased levels of extractable material, such as extractible salts of organic cations. This invention is also derected to processes for preparing polymer-clay nanocomposites, intercalates, exfoliates, and articles or products produced from nanocomposite materials.Type: GrantFiled: May 30, 2001Date of Patent: December 7, 2004Assignee: AMCOL International CorporationInventors: Tie Lan, Vasiliki Psihogios, Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer
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Patent number: 6777479Abstract: Polymer composite materials comprising of least one polymer resin and platelet particles from at least one layered silicate material uniformly dispersed in the resin and articles prepared from the polymer composite materials. The polymer composite contains at least one polyamide resin, at least one oxygen scavenging system, and at least one layered silicate material. These polymer composite materials are especially useful for manufacturing clear polyester bottles and polyester film that are recyclable have improved active gas barrier properties to oxygen, and have improved passive barrier properties to carbon dioxide and other gases. The polymer composite materials can be used in relatively minor amounts as either a blend or a coextruded thin layer with virgin or post consumer recycled polyesters and related copolymners.Type: GrantFiled: August 2, 2000Date of Patent: August 17, 2004Assignee: Eastman Chemical CompanyInventors: Linda Gail Bernard, Horst Clauberg, Michael John Cyr, John Walker Gilmer, Jeffrey Todd Owens, Mark Edward Stewart, Sam Richard Turner, Shriram Bagrodia, James Christopher Matayabas, Jr.
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Publication number: 20040127627Abstract: This invention relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a clay-organic cation intercalate comprising a layered clay material intercalated with at least two organic cations, wherein at least one organic cation comprises ligands each having 7 or less carbons and at least one organic cation comprises at least one ligand having 12 or more carbons. The invention also relates to a process for preparing a nanocomposite and articles produced from a nanocomposite.Type: ApplicationFiled: July 30, 2003Publication date: July 1, 2004Inventors: John Walker Gilmer, Robert Boyd Barbee, James Christopher Matayabas
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Patent number: 6737464Abstract: The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.Type: GrantFiled: May 30, 2000Date of Patent: May 18, 2004Assignee: University of South Carolina Research FoundationInventors: Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer, Tie Lan, Vasiliki Psihogios
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Publication number: 20040082698Abstract: This invention relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.Type: ApplicationFiled: October 14, 2003Publication date: April 29, 2004Inventors: Robert Boyd Barbee, John Walker Gilmer, James Christopher Matayabas, Tie Lan, Vasiliki Psihogios
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Publication number: 20040063841Abstract: This invention is directed to a process for preparing an exfoliated, high I.V. polymer-platelet particle nanocomposite comprising the steps of: (i) melt mixing platelet particles with a matrix polymer-compatible oligomeric resin to form an oligomeric resin-platelet particle composite, and (ii) mixing the oligomeric resin-platelet particle composite with a high molecular weight matrix polymer, thereby increasing the molecular weight of the oligomeric resin-platelet particle composite and producing an exfoliated, high I.V. polymer nanocomposite material. The invention also is directed to a nanocomposite material produced by the process, products produced from the nanocomposite material, and a nanocomposite prepared from an oligomeric resin-platelet particle precursor composite.Type: ApplicationFiled: September 30, 2003Publication date: April 1, 2004Inventors: John Walker Gilmer, James Christopher Matayabas, Gary Wayne Connell, Jeffrey Todd Owens, Sam Richard Turner, Rodney Layne Piner
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Patent number: 6713547Abstract: The present invention relates to processes for preparing a nanocomposite comprising: a. preparing an organoclay material by reacting a swellable layered clay with an onium ion represented by Formula (I): wherein i) M is nitrogen or phosphorus, ii) R1 is a straight or branched alkyl group having at least 8 carbon atoms, iii) R2, R3, and R4 are independently selected from organic or oligomeric ligands or hydrogen, and iv) at least one of R2, R3, and R4 comprises an alkylene oxide group having from 2 to 6 carbon atoms or a polyalkylene oxide group, and b. melt mixing the organoclay material with an expanding agent, and c. melt extruding the expanded organoclay and a polymer to provide a nanocomposite.Type: GrantFiled: March 6, 2002Date of Patent: March 30, 2004Assignee: University of South Carolina Research FoundationInventors: Robert Boyd Barbee, James Christopher Matayabas, Jr., Jack Wesley Trexler, Jr., Rodney Layne Piner, John Walker Gilmer, Gary Wayne Connell, Jeffrey Todd Owens, Sam Richard Turner
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Patent number: 6653388Abstract: This invention relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.Type: GrantFiled: December 1, 1999Date of Patent: November 25, 2003Assignee: University of South Carolina Research FoundationInventors: Robert Boyd Barbee, John Walker Gilmer, James Christopher Matayabas, Jr., Tie Lan, Vasiliki Psihogios
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Patent number: 6596802Abstract: This invention describes the use of organoclays as additives to plasticizers to provide a plasticizer composition, to allow the mixing of the plasticizers with thermoplastic resins in the same process used to convert the resin formulation to finished product. The use of this invention eliminates the need for a preliminary compounding step to incorporate plasticizers into thermoplastics prior to extrusion or molding.Type: GrantFiled: August 28, 2000Date of Patent: July 22, 2003Assignee: Eastman Chemical CompanyInventors: Irving Daniel Sand, Rodney Layne Piner, John Walker Gilmer, Jeffrey Todd Owens
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Patent number: 6596803Abstract: The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing a polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.Type: GrantFiled: June 29, 2001Date of Patent: July 22, 2003Assignee: AMCOL International CorporationInventors: Tie Lan, Vasiliki Psihogios, Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer
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Patent number: 6586500Abstract: The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having decreased levels of extractable material, such as extractable salts of organic cations. This invention is also directed to processes for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.Type: GrantFiled: May 30, 2001Date of Patent: July 1, 2003Assignee: University of South Carolina Research FoundationInventors: Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer, Tie Lan, Vasiliki Psihogios
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Patent number: 6552113Abstract: This invention is directed to a polymer-clay nanocomposite, products produced from the nanocomposite, and a process for preparing a polymer-clay nanocomposite. The polymer-clay nanocomposite comprises (a) a matrix polymer, (b) an amorphous oligomer, and (c) a layered clay material.Type: GrantFiled: December 1, 2000Date of Patent: April 22, 2003Assignee: University of South Carolina Research FoundationInventors: Shriram Bagrodia, Linda Gail Bernard, Gary Wayne Connell, John Walker Gilmer, Tie Lan, James Christopher Matayabas, Jr., Jeffrey Todd Owens, Vasiliki Psihogios, Emerson Eston Sharpe, Jr., Sam Richard Turner
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Patent number: 6552114Abstract: This invention relates to a process for preparing an amorphous polyamide-clay nanocomposite comprising the steps of: a. melt mixing a layered clay material with an oligomeric polyamide resin to form an oligomeric polyamide resin-clay composite, and b.Type: GrantFiled: May 13, 2002Date of Patent: April 22, 2003Assignee: University of South Carolina Research FoundationInventors: Sam Richard Turner, Gary Wayne Connell, John Walker Gilmer, Vasiliki Psihogios, James Christopher Matayabas, Jr., Tie Lan, Shriram Bagrodia
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Polyamide composition comprising a layered clay material modified with an alkoxylated onium compound
Patent number: 6548587Abstract: This invention relates to a composite composition comprising one or more polyamide polymers or copolymers, one or more layered clay materials, and one or more alkoxylated ammonium cations. The invention also relates to a process for preparing a nanocomposite and articles produced from the nanocomposite, including bottles.Type: GrantFiled: June 14, 2000Date of Patent: April 15, 2003Assignee: University of South Carolina Research FoundationInventors: Shriram Bagrodia, John Walker Gilmer, Jeffrey Todd Owens, Linda Gail Bernard, Sam Richard Turner, James Christopher Matayabas, Jr., Vasiliki Psihogios, Tie Lan -
Publication number: 20030060546Abstract: A film or sheet having a glass transition temperature below about 23° C. and a melting temperature greater than about 120° C. is prepared by first preparing a polyester composition of about 50 to about 95 weight percent of a base copolyester having a melting temperature of less than about 220° C. and exhibiting more than about 1 percent crystallinity after annealing for 2000 minutes at a temperature of which the base copolyester has a maximum crystallization rate; and about 5 to about 50 weight percent of a plasticizer suitable for use with the base copolyester. The polyester composition is formed into a film or sheet. During formation of the film or sheet or afterwards, crystallization is induced to provide a soft and flexible film or sheet.Type: ApplicationFiled: February 28, 2002Publication date: March 27, 2003Inventors: Eric Jon Moskala, Kevin Douglas Horton, Rodney Layne Piner, John Walker Gilmer