Patents by Inventor Clive Gilroy Robson

Clive Gilroy Robson 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).

  • Formulation process
    Patent number: 4118218
    Abstract: A process of preparing a solid herbicidal formulation containing a high concentration of a bipyridylium diquaternary salt, which comprises injecting a solution of the bipyridylium salt into a heated fluid bed of a particulate carrier, so that the bipyridylium salt is deposited onto the carrier.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: October 3, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Nigel Wyndham Drewe, Peter Robin Hodson, Clive Gilroy Robson
  • Herbicidal compositions
    Patent number: 4075005
    Abstract: Herbicidal compositions containing as active ingredients quaternary bipyridylium herbicides and additionally containing as a safety factor, an odorant alkyl carboxylic acid such as valeric acid and butyric acid.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: February 21, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: David Alan Knowles, Clive Gilroy Robson