Patents by Inventor Mike NAGRIDGE

Mike NAGRIDGE 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).

  • Flame retardant additive composition comprising cyclic phosphonate blend and bis-phosphate ester, and polyurethane foam containing the same
    Patent number: 10144872
    Abstract: There is provided herein a flame retardant additive composition comprising (a) a cyclic phosphonate mixture of (i) (5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl methyl ester of P-alkylphosphonic acid and (ii) bis[(5-ethyl-2-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl]ester of P-alkyl phosphonic acid; and, (b) an aryl bisphosphate ester of the general formula (I) herein. There is also provided herein a polyurethane foam containing the flame retardant additive composition as well as articles made comprising said polyurethane foam.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 4, 2018
    Assignee: ICL-IP America Inc.
    Inventors: Jeffrey K. Stowell, Andrew Piotrowski, Mike Nagridge, Greg Symes
  • FLAME RETARDANT ADDITIVE COMPOSITION COMPRISING CYCLIC PHOSPHONATE BLEND AND BIS-PHOSPHATE ESTER, AND POLYURETHANE FOAM CONTAINING THE SAME
    Publication number: 20170158962
    Abstract: There is provided herein a flame retardant additive composition comprising (a) a cyclic phosphonate mixture of (i) (5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl methyl ester of P-alkylphosphonic acid and (ii) bis[(5-ethyl-2-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl]ester of P-alkyl phosphonic acid; and, (b) an aryl bisphosphate ester of the general formula (I) herein. There is also provided herein a polyurethane foam containing the flame retardant additive composition as well as articles made comprising said polyurethane foam.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 8, 2017
    Inventors: Jeffrey K. STOWELL, Andrew PIOTROWSKI, Mike NAGRIDGE, Greg SYMES