Patents by Inventor David Patrick Bratton

David Patrick Bratton 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).

  • Patent number: 7632964
    Abstract: Alkyl-2-enoic acid esters of formula wherein R1 is C4, C5, or C6 linear or branched alkyl, e.g. n-butyl, sec-butyl, tert-butyl, n-pentyl, 3-methyl-butyl, 2-methyl-butyl, 1-methyl-butyl. 1-ethyl-propyl, 1,2-dimethyl-propyl, 2-ethylbutyl; and R2 and R3 are independently hydrogen, methyl or ethyl, with the proviso that a maximum of one of R2 and R3 is hydrogen; with the proviso that if R2 is hydrogen and R3 is methyl, R1 is not butyl or 1,3-dimethylbutyl, their manufacture and their use in flavor and fragrance compositions.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: December 15, 2009
    Assignee: Givaudan S.A.
    Inventors: Stefan Michael Furrer, Christophe C. Galopin, Justin Sperry, Xiaogen Yang, David Patrick Bratton