Application of Arthur D. Lohr and Harold M. Spurlin

ALMOND, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the examiner’s rejection of claims 1 to 10, the only claims of appellants’ patent application, 1 as unpatentable over a single prior art patent.

The invention relates to organic thiophosphate compounds having the «general formula

in which R represents a' lower alkyl radical.

The compounds have pesticidal properties and are said to distinguish over known pesticidal compounds in being more toxic at low concentrations toward certain pests and in having exceptionally good systemic toxicity.

The claims…