Patents by Inventor Matthew Martin Yonkey

Matthew Martin Yonkey 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).

  • Organophosphorus compounds for flame retardant polyurethane foams
    Patent number: 9738766
    Abstract: An organophosphorus compound useful in a phosphorus containing flame retardant and a flame retardant polyurethane foam, where the organophosphorus compound is shown in Formula (I) where Y is selected from the group consisting of an —OH group, an —NH2 group, an —NHR3 group, and an —SH group, where R3 is a monovalent hydrocarbyl group having 1 to 10 carbon atoms; R is a divalent hydrocarbyl group; X is a heteroatom group; and R1 and R2 are each independently a substituted or unsubstituted hydrocarbyl group, wherein R1 and R2 can be optionally joined to form a ring.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: August 22, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Ravi B. Shankar, Matthew Martin Yonkey, YuDong Qi, Nahrain E. Kamber
  • ORGANOPHOSPHORUS COMPOUNDS FOR FLAME RETARDANT POLYURETHANE FOAMS
    Publication number: 20150274915
    Abstract: An organophosphorus compound useful in a phosphorus containing flame retardant and a flame retardant polyurethane foam, where the organophosphorus compound is shown in Formula (I) where Y is selected from the group consisting of an —OH group, an —NH2 group, an —NHR3 group, and an —SH group, where R3 is a monovalent hydrocarbyl group having 1 to 10 carbon atoms; R is a divalent hydrocarbyl group; X is a heteroatom group; and R1 and R2 are each independently a substituted or unsubstituted hydrocarbyl group, wherein R1 and R2 can be optionally joined to form a ring.
    Type: Application
    Filed: October 8, 2012
    Publication date: October 1, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Ravi B. Shankar, Matthew Martin Yonkey, YuDong Qi, Nahrain E. Kamber