Patents by Inventor James E. Steffel

James E. Steffel 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).

  • Sarcoslnates as glufosinate adjuvants
    Patent number: 6642177
    Abstract: N-Acyl sarcosinates, when combined at relatively low concentrations with 2-amino-4-(hydroxymethyl phosphinyl) butanoic herbicide (glufosinate) as an adjuvant, provide for beneficial herbicide formulations exhibiting excellent activity, little or no phytotoxicity (including aquatic toxicity), and low irritancy (including ocular irritancy).
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: November 4, 2003
    Assignee: Hampshire Chemical Corp.
    Inventors: Joseph J. Crudden, James E. Steffel