Patents by Inventor Hans-Peter Schelling

Hans-Peter Schelling 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).

  • Polyether substituted 3,4-methylenedioxybenzenes
    Patent number: 4025641
    Abstract: The present invention concerns novel aromatic long chain alkyl ethers and thioethers of the formula, ##STR1## wherein R.sub.1 is a hydrocarbon group,R.sub.2, r.sub.3, r.sub.4 and R.sub.5, are each hydrogen or alkyl,w and z are integers,X is an ether or thioether bridge, andR.sub.6 is an aromatic radical.The compounds are useful as insecticides and acaricides.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: May 24, 1977
    Assignee: Sandoz Ltd.
    Inventors: Fritz Schaub, Hans-Peter Schelling
  • Ether and thioether substituted 3,4-alkylenedioxybenzenes
    Patent number: 3978097
    Abstract: The present invention concerns novel aromatic long chain alkenyl ethers and thioethers of the formula: ##EQU1## wherein R.sub.1 is a hydrocarbon group,R.sub.2, r.sub.3 and R.sub.4 are each H or alkyl,R.sub.6 is an aromatic radical,Z is a divalent hydrocarbon group,Y is o or s, andw and n are zero or integers.The compounds are useful insecticides and acaricides.
    Type: Grant
    Filed: August 6, 1973
    Date of Patent: August 31, 1976
    Assignee: Sandoz Ltd.
    Inventors: Fritz Schaub, Hans-Peter Schelling
  • Ether of thioether substituted benzaldehydes
    Patent number: 3978134
    Abstract: The present invention concerns novel compounds of the formula: ##EQU1## wherein R.sub.1 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 O or whole numbers and Ar.sub.1 is a formyl phenyl radical.The compounds possess insecticidal properties.
    Type: Grant
    Filed: May 21, 1974
    Date of Patent: August 31, 1976
    Assignee: Sandoz Ltd.
    Inventors: Hans-Peter Schelling, Fritz Schaub
  • Composition and method for combating insects with alkylenedioxyphenyl derivatives
    Patent number: 3968235
    Abstract: The present invention concerns the use of the compounds of the formula: ##EQU1## wherein R.sub.1 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 O or whole numbers and Ar.sub.1 is substituted phenyl, as insecticides, and insecticidal compositions containing said compounds as active agent.
    Type: Grant
    Filed: May 23, 1974
    Date of Patent: July 6, 1976
    Assignee: Sandoz Ltd.
    Inventors: Hans-Peter Schelling, Fritz Schaub
  • .omega.-Aliphatic and cycloaliphatic hydrocarbonoxy-2,6-alkadienoates and 2-alkenoates
    Patent number: 3960906
    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 ester, ##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: July 31, 1974
    Date of Patent: June 1, 1976
    Assignee: Sandoz Ltd.
    Inventors: Hans-Peter Schelling, Fritz Schaub
  • Unsaturated aliphatic ketones
    Patent number: 3935271
    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 ester, ##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 27, 1976
    Assignee: Sandoz Ltd.
    Inventors: Hans-Peter Schelling, Fritz Schaub
  • 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