Patents by Inventor Ronald F. Henzell

Ronald F. Henzell 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: 5047518
    Abstract: Herbicidal and/or plant-growth regulatory compositions comprising, together with a carrier and/or surface-active agent, an effective amount of at least one herbicidal and/or plant growth regulatory active agent selected from compounds of formula (I) ##STR1## (in which R represents an optionally substituted aralkyl group,X represents an O--, N-- or S-linked organic group, an optionally substituted hydrocarbyl group, a halogen atom, a hydroxy, amino, alkoxyamino, nitro, cyano, azido, sulpho or phospho group, or together with the group R.sup.2e, X may represents a ketonic oxygen atom --O-- or a group of formula --CH.sub.2 O--;R.sup.1e represents a hydrogen atom or an optionally substituted hydrocarbyl group, or a formyl group;R.sup.2e represents a hydrogen atom, a hydroxy group or an optionally substituted hydrocarbyl or O-linked hydrocarbyl group,or, together with the group X, R.sup.2e may represent a ketonic oxygen atom --O-- or a group of formula --CH.sub.2 O--;R.sup.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: September 10, 1991
    Assignee: Her Majesty the Queen in right of New Zealand
    Inventors: Richard H. Furneaux, Ronald F. Henzell, Peter C. Tyler