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).

  • Patent number: 9492991
    Abstract: 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: Grant
    Filed: June 4, 2012
    Date of Patent: November 15, 2016
    Assignee: Eastman Chemical Company
    Inventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
  • Publication number: 20130143052
    Abstract: 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: Application
    Filed: June 4, 2012
    Publication date: June 6, 2013
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
  • Patent number: 7375144
    Abstract: 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: Grant
    Filed: June 16, 2005
    Date of Patent: May 20, 2008
    Assignee: Eastman Chemical Company
    Inventor: John Walker Gilmer
  • Publication number: 20080085390
    Abstract: 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: Application
    Filed: July 13, 2007
    Publication date: April 10, 2008
    Inventors: Ryan Thomas Neill, Gary Wayne Hartley, Michael Eugene Donelson, Theodore Robert Trautman, John Walker Gilmer, James Collins Maine, Bryan Steven Bishop, Robert Erik Young
  • Patent number: 7030181
    Abstract: 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: Grant
    Filed: February 28, 2002
    Date of Patent: April 18, 2006
    Assignee: Eastman Chemical Company
    Inventors: Eric Jon Moskala, Kevin Douglas Horton, Rodney Layne Piner, John Walker Gilmer
  • Patent number: 6828370
    Abstract: 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: Grant
    Filed: May 30, 2001
    Date of Patent: December 7, 2004
    Assignee: AMCOL International Corporation
    Inventors: Tie Lan, Vasiliki Psihogios, Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer
  • Patent number: 6777479
    Abstract: 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: Grant
    Filed: August 2, 2000
    Date of Patent: August 17, 2004
    Assignee: Eastman Chemical Company
    Inventors: 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.
  • Publication number: 20040127627
    Abstract: 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: Application
    Filed: July 30, 2003
    Publication date: July 1, 2004
    Inventors: John Walker Gilmer, Robert Boyd Barbee, James Christopher Matayabas
  • Patent number: 6737464
    Abstract: 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: Grant
    Filed: May 30, 2000
    Date of Patent: May 18, 2004
    Assignee: University of South Carolina Research Foundation
    Inventors: Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer, Tie Lan, Vasiliki Psihogios
  • Publication number: 20040082698
    Abstract: 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: Application
    Filed: October 14, 2003
    Publication date: April 29, 2004
    Inventors: Robert Boyd Barbee, John Walker Gilmer, James Christopher Matayabas, Tie Lan, Vasiliki Psihogios
  • Publication number: 20040063841
    Abstract: 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: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Inventors: John Walker Gilmer, James Christopher Matayabas, Gary Wayne Connell, Jeffrey Todd Owens, Sam Richard Turner, Rodney Layne Piner
  • Patent number: 6713547
    Abstract: 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: Grant
    Filed: March 6, 2002
    Date of Patent: March 30, 2004
    Assignee: University of South Carolina Research Foundation
    Inventors: 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
  • Patent number: 6653388
    Abstract: 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: Grant
    Filed: December 1, 1999
    Date of Patent: November 25, 2003
    Assignee: University of South Carolina Research Foundation
    Inventors: Robert Boyd Barbee, John Walker Gilmer, James Christopher Matayabas, Jr., Tie Lan, Vasiliki Psihogios
  • Patent number: 6596802
    Abstract: 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: Grant
    Filed: August 28, 2000
    Date of Patent: July 22, 2003
    Assignee: Eastman Chemical Company
    Inventors: Irving Daniel Sand, Rodney Layne Piner, John Walker Gilmer, Jeffrey Todd Owens
  • Patent number: 6596803
    Abstract: 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: Grant
    Filed: June 29, 2001
    Date of Patent: July 22, 2003
    Assignee: AMCOL International Corporation
    Inventors: Tie Lan, Vasiliki Psihogios, Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer
  • Patent number: 6586500
    Abstract: 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: Grant
    Filed: May 30, 2001
    Date of Patent: July 1, 2003
    Assignee: University of South Carolina Research Foundation
    Inventors: Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer, Tie Lan, Vasiliki Psihogios
  • Patent number: 6552113
    Abstract: 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: Grant
    Filed: December 1, 2000
    Date of Patent: April 22, 2003
    Assignee: University of South Carolina Research Foundation
    Inventors: 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
  • Patent number: 6552114
    Abstract: 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: Grant
    Filed: May 13, 2002
    Date of Patent: April 22, 2003
    Assignee: University of South Carolina Research Foundation
    Inventors: Sam Richard Turner, Gary Wayne Connell, John Walker Gilmer, Vasiliki Psihogios, James Christopher Matayabas, Jr., Tie Lan, Shriram Bagrodia
  • Patent number: 6548587
    Abstract: 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: Grant
    Filed: June 14, 2000
    Date of Patent: April 15, 2003
    Assignee: University of South Carolina Research Foundation
    Inventors: Shriram Bagrodia, John Walker Gilmer, Jeffrey Todd Owens, Linda Gail Bernard, Sam Richard Turner, James Christopher Matayabas, Jr., Vasiliki Psihogios, Tie Lan
  • Publication number: 20030060546
    Abstract: 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: Application
    Filed: February 28, 2002
    Publication date: March 27, 2003
    Inventors: Eric Jon Moskala, Kevin Douglas Horton, Rodney Layne Piner, John Walker Gilmer