Patents by Inventor Robert J. G. Searle

Robert J. G. Searle 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).

  • Pesticidal dihalovinyl-spiroalkanecyclopropane derivatives
    Patent number: 3961070
    Abstract: Compounds of the formula ##EQU1## wherein R.sup.1 and R.sup.2 each is a halogen atom, R.sup.3 is hydrogen, alkynyl or cyano; R.sup.4 is phenoxyphenyl and n is an integer from 2 to 5, are useful as pesticides.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: June 1, 1976
    Assignee: Shell Oil Company
    Inventors: Royston H. Davis, Robert J. G. Searle
  • Cyanobenzyl cyclopropane carboxylates
    Patent number: 3950535
    Abstract: Cyclopropane derivatives of the formula ##SPC1##Wherein R.sub.1 and R.sub.2 are alkyl; R.sub.3 is hydrogen, alkynyl or cyano; R.sub.4 is optionally substituted phenyl and in is an integer of 2 to 5, are useful as pesticides.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: April 13, 1976
    Assignee: Shell Oil Company
    Inventors: Royston H. Davis, Robert J. G. Searle