Patents by Inventor Mark Wilhelm

Mark Wilhelm 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).

  • Substituted diazacyclohexanedi (thi) ones
    Patent number: 5981436
    Abstract: The invention relates to new substituted diazacyclohexanedi(thi)ones of the general formula (I) ##STR1## in which Q.sup.1, Q.sup.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the meanings given in the description,a process for their preparation, new intermediate products and their use as herbicides.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: November 9, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Mark-Wilhelm Drewes, Roland Andree, Otto Schallner, Hans-Joachim Santel, Markus Dollinger
  • N-cyanoaryl nitrogen heterocycles
    Patent number: 5962372
    Abstract: This invention relates to N-cyanoaryl compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z have the meanings given in the description and their use as herbicides and insecticides.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: October 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Hans-Joachim Santel, Markus Dollinger, Christoph Erdelen
  • Substituted pyrimidin(ethi)ones
    Patent number: 5877121
    Abstract: The invention relates to novel substituted pyrimidin(ethi)ones of the general formula (I) ##STR1## in which Q, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings mentioned in the description,a process for their preparation and their use as herbicides.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: March 2, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Hans-Joachim Santel, Markus Dollinger
  • Heterocyclylbenzonitriles
    Patent number: 5858925
    Abstract: The invention relates to new heterocyclylbenzonitriles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and Het have the meanings given in the description, new processes and new intermediate products for their preparation and their use as herbicides.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: January 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Mark-Wilhelm Drewes, Roland Andree, Kurt Findeisen, Wilhelm Haas, Andreas Lender, Karl-Heinz Linker, Otto Schallner, Markus Dollinger, Hans-Joachim Santel
  • Process for preparing substituted aryluracils
    Patent number: 5856559
    Abstract: The invention relates to a novel process for preparing substituted aryluracils by reacting aminoalkenoic esters with arylurethanes and then with sulfonamides, and additionally to novel 4-(alkoxycarbonylamino)-2,5-difluorobenzonitriles.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: January 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Bernd Gallenkamp
  • Process for preparing substituted aryluracils
    Patent number: 5847137
    Abstract: The invention relates to a novel process for preparing substituted aryluracils by reacting aminoalkenoic esters with arylurethanes and then with sulfonamides, and additionally to novel 4-(alkoxycarbonylamino)-2,5-difluorobenzonitriles.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: December 8, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Bernd Gallenkamp
  • N-cyanoaryl nitrogen heterocycles
    Patent number: 5759957
    Abstract: The invention relates to novel N-cyanoaryl nitrogen heterocycles of general formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z have the meanings given in the description, several processes for producing them, their use as herbicides and insecticides and novel intermediate products.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: June 2, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Hans-Joachim Santel, Markus Dollinger, Christoph Erdelen
  • 4-cyanophenylimino heterocycles
    Patent number: 5756805
    Abstract: Herbicidal 4-cyanophenylimino heterocycles of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents halogen, cyano, hydroxyl, amini, X--R.sup.3, --N(R.sup.4)--CO--R.sup.5 or --N(R.sup.4)--SO.sub.2 R.sup.5,X represents oxygen, sulphur or a single bond,A represents alkanediyl or alkenediyl each of which is optionally substituted,E represents nitrogen or carbon, andG represents nitrogen or represents carbon which is bonded to hydrogen or alkyl via an exo single bond or to oxygen or sulphur via an exo double bond, with some exceptions.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: May 26, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Roland Andree, Mark Wilhelm Drewes, Markus Dollinger, Hans-Joachim Santel
  • N-cyanoaryl-nitrogen heterocycles
    Patent number: 5681794
    Abstract: The invention relates to new N-cyanoaryl-nitrogen heterocycles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z have the meanings given in the description,to a plurality of processes for their preparation, to their use as herbicides and to novel intermediates.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: October 28, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark-Wilhelm Drewes, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger
  • N-cyanoaryl-nitrogen heterocycles
    Patent number: 5593945
    Abstract: The invention relates to new N-cyanoaryl-nitrogen heterocycles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z have the meanings given in the description,to a plurality of processes for their preparation, to their use as herbicides and to novel intermediates.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: January 14, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark-Wilhelm Drewes, Albrecht Marhold, Hans-Joachim Santel, Markus Dollinger
  • Herbicidal substituted cycloalkenes
    Patent number: 5284820
    Abstract: Herbicidal substituted cycloalkenes of the formula ##STR1## in which A is a straight-chain or branched, optionally substituted alkanediyl group,X is O, S, N--R.sup.8 or CR.sup.9 R.sup.10,Y is O, S, NH or N-alkyl,Z is N or R.sup.11, andR.sup.1 to R.sup.11 represent various organic radicals.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: February 8, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Mark-Wilhelm Drewes, Peter Muller, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt