Patents by Inventor William Hawkins

William Hawkins 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).

  • Herbicidal isoxazole and 2-cyano-1,3-dione compounds
    Patent number: 5849928
    Abstract: The invention relates to compounds of formulae (Ia), (Ib) or (Ic): ##STR1## and to their use as herbicides.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: December 15, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventor: David William Hawkins
  • Derivatives of N-phenylpyrazoles
    Patent number: 5714191
    Abstract: N-Phenylpyrazole derivatives of the formula: ##STR1## wherein R.sup.1 represents cyano, nitro, halogen, acetyl or formyl; R.sup.2 represents R.sup.5 SO.sub.2, R.sup.5 SO or R.sup.5 S in which R.sup.5 is optionally halogen substituted alkyl, alkenyl or alkynyl;R.sup.3 represents a hydrogen atom or a group NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 each represent hydrogen, alkyl, alkenylalkyl, alkynylalkyl, formyl, optionally halogen substituted alkanoyl, optionally halogen substituted alkoxycarbonyl, or alkoxymethyleneamino, halogen, or R.sup.6 and R.sup.7 together form a cyclic imide and R.sup.4 represents a substituted phenyl group possess arthropodicidal, plant nematocidal, anthelmintic and anti-protozoal properties; their preparation, compositions containing them and their use are described.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: February 3, 1998
    Assignee: Rhone-Poulenc Agriculture Ltd.
    Inventors: Leslie Roy Hatton, Ian George Buntain, David William Hawkins, Edgar William Parnell, Christopher John Pearson, David Alan Roberts
  • 4-benzoylisoxazoles and their use as herbicides
    Patent number: 5658858
    Abstract: The invention relates to 4-benzoylisoxazole compounds, compositions containing them, a process for preparation, and their use as herbicides.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: August 19, 1997
    Assignee: Rhone-Poulenc Argriculture Limited
    Inventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
  • Golf cart accessory clamp
    Patent number: 4970760
    Abstract: A clamp for clamping a golf cart accessory 11 to an elongated element 21 on a golf cart. The clamp includes a resilient tubular member 22 (FIG. 6) attached to the accessory 11 (FIG. 2) that can be pressed onto elongated element 21. A locking clamp 31 (FIGS. 7 and 8) is slid over and around the ears 26 and 27 of the tubular member 22 to provide a secure fit.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: November 20, 1990
    Inventor: William A. Hawkins, Jr.
  • Glycyrrhetinic acid derivatives
    Patent number: 4002655
    Abstract: The present invention provides new and pharmaceutically useful amides of the general formula: ##STR1## wherein X is the acyl residue of 18.alpha.- or 18.beta.-glycyrrhetinic acid, the 3-hydroxyl group of which can be acylated with a mono-, di- or polybasic inorganic or organic acid, or X is the acyl residue of 3-keto-18.alpha.- or -18.beta.-glycyrrhetinic acid; and the metoclopramide salts of those compounds containing at least one free carboxylic acid group.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: January 11, 1977
    Assignee: Biorex Laboratories Limited
    Inventor: David William Hawkins