Patents by Inventor Jan Burval

Jan Burval 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).

  • Liquid, phytoactive compositions and method for their preparation
    Patent number: 5468718
    Abstract: A liquid phytoactive composition comprising (a) an N-phosphonomethyl-N -carboxymethyl compound; (b) one or more liquid surfactants; (c) a dispersing medium for said N-phosphonomethyl-N-carboxymethyl compound; and (d) inert adjuvants therefor.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: November 21, 1995
    Assignee: ICI Americas Inc.
    Inventors: Jan Burval, Jimmy H. Chan