Patents by Inventor Robin R. Ison

Robin R. Ison 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).

  • Process for preparing 1-aryl-2-benzimidazolinones
    Patent number: 4275215
    Abstract: Process for preparing 1-aryl-2-benzimidazolinones by reacting a carbanilide and a hypohalite ion in a liquid, biphasic mixture in the presence of a quaternary ammonium and/or phosphonium salt.
    Type: Grant
    Filed: June 17, 1980
    Date of Patent: June 23, 1981
    Assignee: Dow Chemical Company Limited
    Inventor: Robin R. Ison
  • Method for preparing dichloromethyl pyridines
    Patent number: 4172203
    Abstract: Dichloromethylpyridine derivatives are prepared from hydrazino adducts of trichloromethylpyridine compounds by reacting said adducts with an aqueous alkaline solution in the presence of a refluxing carrier medium.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: October 23, 1979
    Assignee: The Dow Chemical Company
    Inventor: Robin R. Ison