Patents by Inventor Karl Buchanan

Karl Buchanan 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).

  • NUCLEAR FUEL CLADDING ELEMENT AND METHOD OF MANUFACTURING SAID CLADDING ELEMENT
    Publication number: 20230298772
    Abstract: A nuclear fuel cladding element comprises a substrate made of a material containing zirconium and a protective coating covering the substrate on the outside. The protective coating is being made of a material containing chromium, and has a columnar microstructure composed of columnar grains and having on the outer surface thereof a microdroplet density of less than 100 per mm2.
    Type: Application
    Filed: July 29, 2021
    Publication date: September 21, 2023
    Inventors: Pierre BARBERIS, Jeremy BISCHOFF, Karl BUCHANAN
  • POLYESTER COMPOSITIONS HAVING REDUCED GAS PERMEATION AND METHODS FOR THEIR PRODUCTION
    Publication number: 20090162589
    Abstract: A polyethylene terephthalate and/or co-polyester composition containing one or more bisphenols. A method of making the composition, PET bottle preforms produced from the composition, a method of making a bottle by stretch-blow molding the composition and/or a preform thereof, bottles made from the composition, and a method of reducing the ingress and egress of gases through a film made from the composition.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Inventors: Karl Buchanan, Chi-Chin Chen, Helen Codd, Peter Kezios, Robert J. Schiavone
  • Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics
    Patent number: 7358324
    Abstract: A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: April 15, 2008
    Assignee: Dak Americas LLC
    Inventors: Chi-Chin Chen, Peter S. Kezios, Helen Codd, Karl Buchanan
  • Process for manufacturing co-polyester barrier resins without solid-state polymerization, co-polyester resins made by the process, and clear mono-layer containers made of the co-polyester resins
    Publication number: 20070128389
    Abstract: A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 7, 2007
    Applicant: DAK AMERICAS LLC
    Inventors: Peter Kezios, Chi-Chin Chen, Helen Codd, Karl Buchanan
  • Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics
    Publication number: 20070129501
    Abstract: A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 7, 2007
    Applicant: DAK AMERICAS LLC
    Inventors: Chi-Chin Chen, Pete Kezios, Helen Codd, Karl Buchanan
  • UV barrier formulation for polyesters
    Publication number: 20060002867
    Abstract: The invention provides UV-barrier formulations which result in products which effectively resist the transmission of ultraviolet light therethrough. The invention also provides UV-barrier formulations which result in products with improved resistance to ultraviolet light. In particular, the invention provides UV barrier formulations for polyester resins that have improved resistance to ultraviolet radiation, and significantly reduce ultraviolet light transmission in the resulting resin products. The invention also provides products and manufacturing processes based on the above formulations.
    Type: Application
    Filed: June 30, 2004
    Publication date: January 5, 2006
    Applicant: DAK AMERICAS, LLC
    Inventors: Karl Buchanan, Helen Codd, Peter Kezios