Patents by Inventor Peter Schell

Peter Schell 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).

  • Insecticidal 1,3-benzodioxol derivatives
    Patent number: 3933804
    Abstract: The present invention concerns novel compounds of the formula: ##EQU1## wherein R.sub.2 to R.sub.9 have various significances including e.g. alkyl, X and Y include O and S and s, v, w and z are 0 or whole numbers, Ar.sub.1 is ##SPC1##And R.sub.1 is cycloalkyl or ##SPC2##The compounds possess insecticidal properties.
    Type: Grant
    Filed: May 21, 1974
    Date of Patent: January 20, 1976
    Assignee: Sandoz Ltd., (Sandoz AG)
    Inventors: Hans-Peter Schelling, Fritz Schaub
  • W-Aliphatic and cycloaliphatic-hydrocarbonoxy-2,6-alkadiene and 2-alkene-1-nitriles
    Patent number: 3932483
    Abstract: The present invention concerns unsaturated ethers or thioethers of the formula: ##EQU1## wherein R.sub.1 is an aliphatic or alicyclic hydrocarbon, R.sub.2 and R.sub.3 are H or alkyl, Y is cyano, amido, a ketone or an acid esters, ##EQU2## is an ether, thioether or a saturated or unsaturated c--c bond and n is an integer, which exhibit insecticidal properties.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: January 13, 1976
    Assignee: Sandoz Ltd., (Sandoz AG)
    Inventors: Hans-Peter Schelling, Fritz Schaub