Patents by Inventor Dwight Shamblee

Dwight Shamblee 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).

  • Mixed phosphonate flame-retardants
    Patent number: 8278375
    Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: October 2, 2012
    Assignee: Rhodia UK Limited
    Inventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
  • Mixed Phosphonate Flame-Retardants
    Publication number: 20120123025
    Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.
    Type: Application
    Filed: July 5, 2006
    Publication date: May 17, 2012
    Applicant: Rhodia UK Limited
    Inventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
  • Process for making a plant growth regulator
    Publication number: 20080103046
    Abstract: A method for making a plant growth regulator includes the step of reacting vinyl chloride with a phosphorous reagent.
    Type: Application
    Filed: August 24, 2007
    Publication date: May 1, 2008
    Inventors: Francine Palmer, James Ellis, James Horn, Eugene Anderson, Dwight Shamblee, Gary Woodward
  • Flame retardant phosphonate additives for thermoplastics
    Patent number: 7067076
    Abstract: The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1–C4 alkyl, R3 is H or C1–C4 alkyl, and R4 is linear or branched C9–C22 alkyl, C9–C22 cycloalkyl, C9–C22 aryl or C9–C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: June 27, 2006
    Assignee: Rhodia Inc.
    Inventors: Shiming Wo, Dwight Shamblee
  • Process of making phosphordiamidite compounds
    Patent number: 7034177
    Abstract: A process of producing cyanoalkyl tetraalkylphosphordiamidites at least substantially free of amine hydrohalide with improved storage stability.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: April 25, 2006
    Assignee: Rhodia Inc
    Inventors: Dwight Shamblee, Shiming Wo, Bing Wang
  • Flame retardant phosphonate additives for thermoplastics
    Publication number: 20050038144
    Abstract: The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1-C4 alkyl, R3 is H or C1-C4 alkyl, and R4 is linear or branched C9-C22 alkyl, C9-C22 cycloalkyl, C9-C22 aryl or C9-C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.
    Type: Application
    Filed: July 29, 2004
    Publication date: February 17, 2005
    Inventors: Shiming Wo, Dwight Shamblee
  • Process of making phosphordiamidite compounds
    Publication number: 20030236233
    Abstract: A process of producing cyanoalkyl tetraalkylphosphordiamidites at least substantially free of amine hydrohalide with improved storage stability.
    Type: Application
    Filed: June 9, 2003
    Publication date: December 25, 2003
    Inventors: Dwight Shamblee, Shiming Wo, Bing Wang