Patents by Inventor Robin Th. Gray

Robin Th. Gray 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).

  • Macrocyclic polyethers
    Patent number: 4152335
    Abstract: Macrocyclic polyethers, their preparation, complexes of these macrocyclic polyethers and their preparation are described.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: May 1, 1979
    Assignee: Shell Oil Company
    Inventors: David N. Reinhoudt, Robin Th. Gray
  • Cyclohexane derivatives
    Patent number: 4122121
    Abstract: Novel cyclohexane derivatives of the formula: ##STR1## wherein R.sup.1 represents an alkyl group, R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group, and X represents an epoxy or hydroxy group; are useful as aroma chemicals.
    Type: Grant
    Filed: July 22, 1977
    Date of Patent: October 24, 1978
    Assignee: Shell Oil Company
    Inventors: Robin Th. Gray, Aaldert J. De Jong