Patents Assigned to Murphy Chemical Limited
  • Method of making solid fertilizer herbicide granules
    Patent number: 4065289
    Abstract: A herbicidal composition containing a plant fertilizer component comprising a coherent extrudate containing an intimate dispersion of (A) 1 to 100 parts by weight of a plant fertilizer component; and (B) one part by weight of a herbicide component having a melting or softening point below 145.degree. C and below that of component (A) when mixed therewith said component (B) also having a solubility in water not exceeding lg/liter at 20.degree. C. whereby release of said fertilizer component from said extrudate in use thereof is retarded.
    Type: Grant
    Filed: September 12, 1973
    Date of Patent: December 27, 1977
    Assignee: Murphy Chemical Limited
    Inventor: David John Judd