Patents by Inventor Alfred Diskus

Alfred Diskus 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).

  • Patent number: 4256482
    Abstract: Herbicidal composition which comprises as active ingredients a phenylpyridazine of the formula ##STR1## in which Hal is chlorine or bromine, R is alkyl with up to 12 C-atoms and X and Y are oxygen or sulfur, whereby one of X and Y always is sulfur and 2-{[4-chloro-6-(ethylamino)-S-triazin-2-yl]amino}-2-methylpropionitrile.This composition is particularly used in combating weeds which are difficult to combat and are found in growing cereal crops.
    Type: Grant
    Filed: September 21, 1979
    Date of Patent: March 17, 1981
    Assignee: Chemie Linz Aktiengesellschaft
    Inventors: Erwin Wittmann, Alfred Diskus, Engelbert Auer
  • Patent number: 3953445
    Abstract: Phenylpyridazines of the general formula: ##SPC1##In which Hal is a chlorine or bromine atom, R is a straight-chain or branched alkyl group containing 1 to 18 carbon atoms or a phenyl group, and X and Y separately are oxygen or sulphur, but not both oxygen, a process for their preparation and herbicidal compositions containing them.
    Type: Grant
    Filed: June 17, 1974
    Date of Patent: April 27, 1976
    Assignee: Chemie Linz Aktiengesellschaft
    Inventors: Rupert Schonbeck, Engelbert Kloimstein, Alfred Diskus, Engelbert Auer, Hubert Mayr
  • Patent number: 3932405
    Abstract: Phenylpyridazine compounds of the general formula ##SPC1##In which Hal is a chlorine or bromine atom and R is a straight-chain or branched alkyl group containing 2 to 20 carbon atoms when Hal is chlorine and 1 to 20 carbon atoms when Hal is bromine, or is the group --OR', wherein R' is an alkyl group of 1 to 18 carbon atoms which may be straight-chain or branched, and which have valuable herbicidal properties.
    Type: Grant
    Filed: November 14, 1973
    Date of Patent: January 13, 1976
    Assignee: Chemie Linz Aktiengesellschaft
    Inventors: Rupert Schonbeck, Engelbert Kloimstein, Hubert Mayr, Alfred Diskus, Engelbert Auer