Patents by Inventor Keith A. Keller

Keith A. Keller 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).

  • Publication number: 20160145412
    Abstract: A process for extruding polypropylene comprising extruding a composition comprising a polypropylene and a second acid scavenger and less than about 10 ppm of a nucleating agent.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 26, 2016
    Inventors: Kemper D. Lake, JR., Christopher T. Kochanowicz, Joseph J. Peterson, Clifford S. Bynum, Keith A. Keller
  • Publication number: 20150118931
    Abstract: A composition comprises at least one condensed phosphorus compound. The condensed phosphorus compound is produced by reacting together in a condensation reaction a nitrogen compound and a phosphonium compound. A phosphorus-containing polymer is produced by reacting in a condensation reaction a hydroxyalkylphosphonium compound to produce an intermediate polymer and then oxidizing phosphorus atoms in the intermediate polymer to yield a polymer comprising phosphine oxide groups.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 30, 2015
    Inventors: Warren W. Gerhardt, Jason M. Spruell, Petr Valenta, Rajib Mondal, Daniel T. McBride, Keith A. Keller
  • Publication number: 20150050855
    Abstract: An article comprises a textile material and a flame retardant, phosphorus-containing polymer. The flame retardant, phosphorus, containing polymer can be present in the form of a plurality of microprotuberances. The flame retardant, phosphorus, containing polymer can contain a relatively low amount of residual hydroxyalkyl groups bonded to the phosphorus atoms in the polymer. A process for producing a treated textile material is also provided.
    Type: Application
    Filed: August 15, 2014
    Publication date: February 19, 2015
    Inventors: Petr Valenta, Rajib Mondal, James A. Rogers, Michael Todd Moore, Jason M. Spruell, Keith A. Keller, Warren W. Gerhardt, Nathan B. Emery
  • Publication number: 20140309448
    Abstract: A siloxane compound comprises a plurality of siloxane repeating units and at least a portion of the siloxane repeating units are cyclosiloxane repeating units conforming to a specified structure. A process for producing such siloxane compounds is also provided. A process and kit for producing a cross-linked silicone polymer using the described siloxane compounds is also provided. A light emitting diode (LED) comprises an encapsulant, and the encapsulant comprises a cross-linked silicone polymer produced from the described siloxane compounds.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 16, 2014
    Applicant: MILLIKEN & COMPANY
    Inventors: Yuzhou Liu, Keith A. Keller, Michael E. Wilson
  • Publication number: 20140309449
    Abstract: A siloxane compound comprises a plurality of siloxane repeating units and at least a portion of the siloxane repeating units are cyclosiloxane repeating units conforming to a specified structure. A process for producing such siloxane compounds is also provided. A process and kit for producing a cross-linked silicone polymer using the described siloxane compounds is also provided. A light emitting diode (LED) comprises an encapsulant, and the encapsulant comprises a cross-linked silicone polymer produced from the described siloxane compounds.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 16, 2014
    Applicant: MILLIKEN & COMPANY
    Inventors: Yuzhou Liu, Keith A. Keller, Michael E. Wilson
  • Publication number: 20130245159
    Abstract: An epoxy resin composition comprises an epoxy resin, a plurality of particles, and a diluent. The particles can comprise a magnesium oxysulfate compound. The diluent can be selected from the group consisting of monoglycidyl compounds, diglycidyl compounds, bisphenol-A alkoxylates, and mixtures thereof. The epoxy resin composition can be reacted with an activator composition to produce an epoxy polymer. The activator composition can comprise one or more compounds selected from the group consisting of polyamine compounds, anhydride compounds, and mixtures thereof.
    Type: Application
    Filed: September 12, 2012
    Publication date: September 19, 2013
    Inventors: F. Brent Neal, Sharon A. Free, Keith A. Keller
  • Patent number: 8460698
    Abstract: A composite article comprises a fluid transport layer having first and second surfaces and a hydrophobic layer applied to the first surface of the fluid transport layer. When the composite article is used as a wound dressing, the first surface of the fluid transport layer provides a skin-facing surface. The hydrophobic layer comprises a plurality of discontinuities, and at least a portion of the discontinuities have a dimension sufficient to permit the passage of fluid through the hydrophobic layer and into the fluid transport layer.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: June 11, 2013
    Assignee: Milliken & Company
    Inventors: Robert M. MacMeccan, Le Zhang, Keith A. Keller, Martin E. Cowan, T. Andrew Canada
  • Publication number: 20110275264
    Abstract: Provided is a flame resistant fabric comprising a fabric substrate comprising cellulosic fibers and thermoplastic fibers, and a finish applied to the fabric substrate comprising a tetrahydroxymethyl phosphonium salt or a condensate thereof, a cross-linking agent, a brominated compound, and optionally a melamine resin. Also provided are methods of preparing the flame resistant fabric.
    Type: Application
    Filed: May 10, 2010
    Publication date: November 10, 2011
    Inventors: Daniel T. McBride, Warren W. Gerhardt, John L. Sanchez, Lei Zhang, Keith A. Keller, Jenny S. Kimbrell, Keenon Copeland
  • Publication number: 20110208145
    Abstract: A fluid management cover system of launderable and durable character including at least one fluid transport layer with at least one absorptive reservoir layer disposed in underlying relation to the fluid transport layer. The upper surface of the absorptive reservoir layer is characterized by a greater capillarity than the adjacent surface of the fluid transport layer such that fluid is drawn away from the fluid transport layer and is held within the absorptive reservoir layer. At least one pressure distribution layer incorporating material that at least partially recovers following compression is disposed at a position below the absorptive reservoir layer. An optional skin contacting layer may be disposed above the fluid transport layer and an optional backing layer may be disposed in underlying relation to other layers.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 25, 2011
    Inventors: Le Zhang, Yunzhang Wang, Carnevale Sally, Robert M. MacMeccan, Jeeyoung Choi, Keith A. Keller, Patrick R. Carroll, James M. Spry, Robert Champion
  • Publication number: 20110208101
    Abstract: This disclosure relates to a compression dressing designed to provide moisture transport properties to a contact surface and compression therapy for patients with swelling due to various medical conditions. The compression dressing is minimally comprised of at least one layer of moisture transport fabric comprised of elastic fiber that exhibits a sufficient amount of elasticity to apply a compressive force to a body part when applied thereto. The compression dressing further provides one-way, active fluid management which can move fluid away from the skin. The compression dressing may also include at least one absorptive reservoir layer that is applied to the outer surface of the moisture transport fabric. This absorptive reservoir layer may be removed as needed without substantially disrupting the compressive force applied to a body part. The method for using the compression dressing to manage fluid movement and edema is also provided.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 25, 2011
    Inventors: Keith A. Keller, Robert M. MacMeccan, Le Zhang, Thomas A. Canada
  • Patent number: 7772415
    Abstract: Infrared (IR) radiation absorbing compounds of metal or metalloids with ligands are beneficial for many applications. Schiff base biquinone (SBB) ligands surrounding a metal or metalloid center may be used for laser welding applications, as one example, wherein effective infared radiation absorption and heat resistance are required. These compounds may be known as Schiff base biquinone metal complexes (SBBC's). The compositions and methods of this invention provide examples of many different NIR absorbing compounds that exhibit high NIR absorbing strength, good thermal stability, and relatively low visible color. The IR absorbing compounds may employ one or more of the following elements: Si, Zr, Bi, Sb, Ce, Cs, K, Mo.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: August 10, 2010
    Assignee: Milliken & Company
    Inventors: Keith A. Keller, Daniel M. Connor, John G. Lever
  • Publication number: 20100030178
    Abstract: A composite article comprises a fluid transport layer having first and second surfaces and a hydrophobic layer applied to the first surface of the fluid transport layer. When the composite article is used as a wound dressing, the first surface of the fluid transport layer provides a skin-facing surface. The hydrophobic layer comprises a plurality of discontinuities, and at least a portion of the discontinuities have a dimension sufficient to permit the passage of fluid through the hydrophobic layer and into the fluid transport layer.
    Type: Application
    Filed: July 2, 2009
    Publication date: February 4, 2010
    Inventors: Robert M. MacMeccan, Le Last, Keith A. Keller, Martin E. Cowan, T. Andrew Canada
  • Patent number: 7566797
    Abstract: Nucleating agent compounds are used in polymers, such as polypropylene, to improve both the properties and processing characteristics of the polymer. Some nucleating agents may be used also as clarifiers to reduce the visual haze in finished polymeric articles, thereby increasing clarity of finished polymeric articles. Compounds of a carboxylate salt which employ a combination of an amide group and a metal cation salt perform well as nucleating agents, and provide substantial clarity benefits in a polymer. Other compounds of the invention may employ metal carboxylate salts in combination with an ester group. In other embodiments of the invention a dimer of such compounds may be employed.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: July 28, 2009
    Assignee: Milliken & Company
    Inventors: Jiannong Xu, Jiang Li, John David O. Anderson, Keith A. Keller
  • Publication number: 20070208116
    Abstract: Nucleating agent compounds are used in polymers, such as polypropylene, to improve both the properties and processing characteristics of the polymer. Some nucleating agents may be used also as clarifiers to reduce the visual haze in finished polymeric articles, thereby increasing clarity of finished polymeric articles. Compounds of a carboxylate salt which employ a combination of an amide group and a metal cation salt perform well as nucleating agents, and provide substantial clarity benefits in a polymer. Other compounds of the invention may employ metal carboxylate salts in combination with an ester group. In other embodiments of the invention a dimer of such compounds may be employed.
    Type: Application
    Filed: March 3, 2006
    Publication date: September 6, 2007
    Inventors: Jiannong Xu, Jiang Li, John Anderson, Keith Keller
  • Publication number: 20070117893
    Abstract: Infrared (IR) radiation absorbing compounds of metal or metalloids with ligands are beneficial for many applications. Schiff base biquinone (SBB) ligands surrounding a metal or metalloid center may be used for laser welding applications, as one example, wherein effective infared radiation absorption and heat resistance are required. These compounds may be known as Schiff base biquinone metal complexes (SBBC's). The compositions and methods of this invention provide examples of many different NIR absorbing compounds that exhibit high NIR absorbing strength, good thermal stability, and relatively low visible color. The IR absorbing compounds may employ one or more of the following elements: Si, Zr, Bi, Sb, Ce, Cs, K, Mo.
    Type: Application
    Filed: June 12, 2006
    Publication date: May 24, 2007
    Inventors: Keith Keller, Daniel Connor, John Lever
  • Publication number: 20070113967
    Abstract: Infrared (IR) radiation absorbing compounds of metal or metalloids with ligands are beneficial for many applications. Schiff base biquinone (SBB) ligands surrounding a metal or metalloid center may be used for laser welding applications, as one example, wherein effective infrared radiation absorption and heat resistance are required. These compounds may be known as Schiff base biquinone metal complexes (SBBC's). The compositions and methods of this invention provide examples of many different NIR absorbing compounds that exhibit high NIR absorbing strength, good thermal stability, and relatively low visible color. These NIR absorbing compounds may have application in many different applications, including laser welding of thermoplastics, and in IR reflecting fabrics.
    Type: Application
    Filed: November 23, 2005
    Publication date: May 24, 2007
    Inventors: Daniel Connor, Keith Keller, John Lever
  • Publication number: 20060173108
    Abstract: It is possible to improve significantly the optical performance of diacetal or DBS-based nucleating or clarifying agents using a co-additive. Haze is a measure of the lack of clarity in a thermoplastic or plastic material. A low level of haze is usually quite desirable, and nucleating/clarifying agents are designed to reduce the degree of haze in a plastic or thermoplastic material. A co-additive may be used in connection with a nucleating/clarifying agents in a polymer or copolymer to achieve even greater results in terms of improved clarity (reduced haze), or in terms of a higher crystallization temperature (Tc) of the polymer. A method for reducing haze in polymer articles using a co-additive composition in addition to nucleating and clarifying agents is disclosed.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 3, 2006
    Inventors: Jiannong Xu, Jiang Li, Benjamin Bolt, Kemper Lake, Jason Sprinkle, Brian Burkhart, Keith Keller
  • Publication number: 20060173109
    Abstract: Chemical additives disclosed for reducing “plate-out” which have applications in polymers, such as polyolefins. It is possible to provide for a composition and a process for producing parts, sheet and film from polyolefin extrusion applications wherein the polyolefins are processed with a minimal quantity of “plate-out.” A polyolefin composition may contain a sorbitol-based clarifying system of a derivative of Dibenzylidene, along with one or more co-additives to achieve a reduction in undesirable plate-out.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 3, 2006
    Inventors: Dave Keegan, Shawn Sheppard, Dale Chandler, Jiannong Xu, Jiang Li, Keith Keller
  • Publication number: 20060148914
    Abstract: The invention relates to the use of chemical compositions useful for decolorizing recycle thermoplastics such as oxidizing agents, reducing agents, or photo-initiators combined into thermoplastics such as polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polycarbonates (PC), polyethylene (PE), polylactic acid (PLA), nylon, PET copolymers, acrylics, Surlyn™, or other thermoplastics. In one example, a radical initiator of a peroxide-containing compound assists in achieving decolorization of thermoplastics. The decolorizing process may increase the value of plastics for purposes of recycling.
    Type: Application
    Filed: January 4, 2005
    Publication date: July 6, 2006
    Inventors: Daniel Connor, Keith Keller
  • Publication number: 20060040239
    Abstract: A driving simulator. The driving simulator may include a processor; a display connectable to the processor; a plurality of input devices, such as a steering wheel, a brake pedal, and an accelerator pedal, where each of the plurality of input devices is connectable to the processor; and a computer-readable medium.
    Type: Application
    Filed: August 2, 2004
    Publication date: February 23, 2006
    Applicant: J. J. Keller & Associates, Inc.
    Inventors: Robert Cummins, John Garvey, Robert Halla, Keith Keller, Tim Miller, Doraivelu Palanivelu, Sukhdev Tur, Steven Velpel, Jeff Weber, Joel Williams