Patents by Inventor Heinz-Jurgen Wroblowsky

Heinz-Jurgen Wroblowsky 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: 5817863
    Abstract: The present invention relates to a novel process for preparing triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents halogenoalkyl, andR.sup.2 represents hydrogen, hydroxyl or amino, or represents alkyl, alkenyl, alkinyl, alkoxy, alkylamino, dialkylamino, cycloalkyl, cycloalkylalkyl, phenyl or phenylalkyl which are in each case optionally substituted,and also to novel intermediates for preparing these triazolinones and to processes for preparing the intermediates themselves.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: October 6, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventor: Heinz-Jurgen Wroblowsky
  • Patent number: 5710303
    Abstract: Alkoxytriazolinones of the formula (I), ##STR1## are obtained in good yields and in high purity by reacting iminocarbonic diesters (II) with carbazinic esters (III) ##STR2## at -20.degree. C. to +120.degree. C. (1st step) and subjecting the semicarbazide derivatives (IV) formed in this process with elimination of R.sup.2 --OH ##STR3## to a cyclizing condensation reaction in the presence of a base at 20.degree. C. to 150.degree. C. with elimination of R.sup.3 --OH, if appropriate (2nd step) and, finally, by reacting the resulting 5-alkoxytriazolinones of the formula (V) ?=formula (I) where R.sup.1 =H! with an alkylating agent of the formula R.sup.1 --X (VI) at 0.degree. C. to 150.degree. C., if appropriate in the presence of a base.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: January 20, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Klaus Konig
  • Patent number: 5708183
    Abstract: The present invention relates to a novel process for preparing triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents halogenoalkyl, andR.sup.2 represents hydrogen, hydroxyl or amino, or represents alkyl, alkenyl, alkinyl, alkoxy, alkylamino, dialkylamino, cycloalkyl, cycloalkylalkyl, phenyl or phenylalkyl which are in each case optionally substituted,and also to novel intermediates for preparing these triazolinones and to processes for preparing the intermediates themselves.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: January 13, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventor: Heinz-Jurgen Wroblowsky
  • Patent number: 5703260
    Abstract: Alkoxytriazolinones of the general formula (I), ##STR1## in which R.sup.1 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl, andR.sup.2 represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, ary or arylalkyl,(which can be used as intermediates for the preparation of herbicidal active compounds) are obtained in very good yields and in high purity by reacting imino(thio)carbonic esters (II) with alkoxyethyl carbazinates (III) ##STR2## in which Q represents O or S, R.sup.3 represents (for example) alkyl, aryl or aralkyl and R.sup.4 represents (for example) alkyl,at -20.degree. C. to +150.degree. C. (1st step) and subjecting the new semicarbazide derivatives (IV) ##STR3## which are formed with elimination of R.sup.3 --QH, if appropriate after intermediate isolation, to a cyclizing condensation reaction at 0.degree. C. to 200.degree. C.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: December 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Klaus Konig
  • Patent number: 5594147
    Abstract: Alkoxytriazolinones of the general formula (I), ##STR1## in which R.sup.1 represents hydrogen, or represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl, andR.sup.2 represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aryl or arylalkyl,(which can be used as intermediates for the preparation of herbicidal active compounds) are obtained in very good yields and in high purity by reacting imino(thio)carbonic esters (II) with alkoxyethyl carbazinates (III) ##STR2## in which Q represents O or S, R.sup.3 represents (for example) alkyl, aryl or aralkyl and R.sup.4 represents (for example) alkyl,at -20.degree. C. to +150.degree. C. (1st step) and subjecting the new semicarbazide derivatives (IV) ##STR3## which are formed with elimination of R.sup.3 --QH, if appropriate after intermediate isolation, to a cyclizing condensation reaction at 0.degree. C. to 200.degree. C.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: January 14, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Klaus Konig
  • Patent number: 5256634
    Abstract: Herbicidally active 5-amino-1-phenyl-pyrazoles, most of which are new, of the formula ##STR1##
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: October 26, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallnor, Reinhold Gehring, Klauke Erich, Jorg Stetter, Heinz-Jurgen Wroblowsky, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 5174808
    Abstract: Herbicidal pyrazolin-5-one derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, cycloalkyl, halogenoalkyl, alkenyl, alkynyl, alkenyl or alkynyl substituted by optionally substituted phenyl, halogenoalkenyl, alkoxy, alkoxyalkyl, alkylthioalkyl, alkylsulphonylalkyl, alkylsulphinylalkyl, alkoxycarbonylalkyl, in each case optionally substituted aryl, aralkyl, aryloxyalkyl or arylthioalkyl, an optionally substituted heterocycle, heterocyclylalkyl or the --NH--CO--R.sup.3 or --CO--O--R.sup.4 groups, in which R.sup.3 and R.sup.4 in each case independently of one another represent alkyl or aryl,R.sup.
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: December 29, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Peter Babczinski, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 5162528
    Abstract: The invention relates to the use of partly known substituted pyrazolin-5-one derivatives of the formula (I) ##STR1## as herbicides and fungicides, new substituted pyrazolin-5-one derivatives and processes for their preparation.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: November 10, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Markus Lindig, Heinz-Jurgen Wroblowsky, Hans-Joachim Santel, Robert R. Schmidt, Wilhelm Brandes, Robert H. Strang
  • Patent number: 5104439
    Abstract: Herbicidally active 5-amino-1-phenyl-pyrazoles, most of which are new, of the formula ##STR1##
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: April 14, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Reinhold Gehring, Erich Klauke, Jorg Stetter, Heinz-Jurgen Wroblowsky, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 5028717
    Abstract: The invention relates to the use of partly known substituted pyrazolin-5-one derivatives of the formula (I) ##STR1## as herbicides and fungicides, new substituted pyrazolin-5-one derivatives and processes for their preparation.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: July 2, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Markus Lindig, Heinz-Jurgen Wroblowsky, Hans-Joachim Santel, Robert R. Schmidt, Wilhelm Brandes, Robert H. Strang
  • Patent number: 4945165
    Abstract: A 5-aminopyrazole of the formula (I) ##STR1## in which R.sup.2 represents CF.sub.3 or CCL.sub.2 F,R.sup.3 represents hydrogen or CH.sub.3and n represents the number 0 or 1.The 5-aminopyrazole of formula (I) is effective in combating insects, sense animals and nematodes.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: July 31, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz, Wilhelm Stendel, Peter Andrews
  • Patent number: 4909827
    Abstract: The invention relates to the use of partly known substituted pyrazolin-5-one derivatives of the formula (I) ##STR1## as herbicides and fungicides, new substituted pyrazolin-5-one derivatives and processes for their preparation.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: March 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Markus Lindig, Heinz-Jurgen Wroblowsky, Hans-Joachim Santel, Robert R. Schmidt, Wilhelm Brandes, Robert H. Strang
  • Patent number: 4874420
    Abstract: Herbicidal substituted triazines of the formula ##STR1## in which A.sup.1 represents optionally branched and optionally aryl-substituted alkanediyl,A.sup.2 represents optionally branched alkanediyl,Q represents oxygen, sulphur, NH or N-alkyl,R.sup.1 represents hydrogen, hydroxyl, nitro, cyano, cyanoamino, azido, halogen, alkoxy, alkylthio (which is optionally substituted by halogen or cyano), alkyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, amino, alkylamino or dialkylamino,R.sup.2 represents hydrogen, alkyl, alkenyl or alkinyl,R.sup.3 represents optionally substituted aryl or heteroaryl,R.sup.4 represents hydrogen, alkyl, alkenyl or alkinyl andR.sup.5 represents hydrogen or alkyl.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: October 17, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Joachim Kluth, Klaus-Gunther Tietjen, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4820847
    Abstract: 4-susbstituted 1-aryl-5-amino-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,R.sup.2 represents alkyl or halogenoalkyl, andAr represents in each case polysubstituted phenyl or polysubstituted pyridyl,some of which are known, are obtained when an arylhydrazine hydrohalide of the formulaAR--NH--NH.sub.2 x HHalin whichHal represents halogen, andAr has the abovementioned meaning,is reacted with an acrylonitrile derivative of the formula ##STR2## in which R.sup.1 and R.sup.2 have the abovementioned meaning, andR.sup.3 and R.sup.4, independently of one another, in each case represent alkyl or phenyl, orR.sup.3 and R.sup.4, together with the nitrogen atom to which they are bound, represent a saturated heterocyclic ring,at temperatures between 60.degree. C. and 90.degree. C.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: April 11, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Heinz-Jurgen Wroblowsky, Dietmar Bielefeldt
  • Patent number: 4820725
    Abstract: 1-Aryl-pyrazole of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl or in each case optionally substituted aralkyl or aryl,R.sup.3 represents hydrogen or halogen,Ar represents optionally substituted phenyl or pyridyl, andn represents the number 0, 1 or 2,the 1-aryl-pyrazole being useful in agents for combating pests.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: April 11, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Wilhelm Stendel, Berhard Homeyer, Wolfgang Behrenz
  • Patent number: 4810720
    Abstract: Insecticidally active 1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl,R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, haloalkyl, haloalkenyl, alkoxyalkyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents alkyl, haloalkyl, cycloalkyl or optionally substituted aryl,Ar represents subsituted phenyl, with the exception of the 4-nitrophenyl radical or the 2,4-dinitrophenyl radical, or represents optionally substituted pyridyl, andn represents a number 0, 1 or 2.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: March 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Wilhelm Stendel, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz
  • Patent number: 4804675
    Abstract: A method of combating insects, sense animals and nematodes comprising applying to insects, arachnids and nematodes and/or their environment an effective amount of at least one 5-aminopyrazole of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl, unsubstituted or substituted aralkyl or unsubstituted or substituted aryl,R.sup.3 represents hydrogen, alkyl or a radical ##STR2## Ar represents unsubstituted or substituted phenyl or unsubstituted or substituted pyridyl andn represents the number 0, 1 or 2,whereinX represents oxygen or sulphur andR.sup.4 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted aryl, alkoxy, alkylthio, unsubstituted or substituted aryloxy, unsubstituted or substituted arylthio, alkylamino, dialkylamino or unsubstituted or substituted arylamino.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: February 14, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz, Wilhelm Stendel, Peter Andrews
  • Patent number: 4803215
    Abstract: Pesticidally active 5-heterocyclyl-1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl,R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, haloalkyl, haloalkenyl, optionally substituted aralkyl or optionally substituted aryl,Ar represents in each case optionally substituted phenyl or pyridyl,Het represents a heterocycle of the formula ##STR2## n represents a number 0, 1 or 2, whereR.sup.3 and R.sup.4, independently of one another, represent in each case hydrogen, alkyl or phenyl.Intermediates of the formulas ##STR3## are provided, the former also being pesticidal.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: February 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Reinhold Gehring, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Bernhard Homeyer, Wolfgang Behrenz, Wilhelm Stendel
  • Patent number: 4771066
    Abstract: Insecticidally and acarididally active 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogen alkyl,R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aralkyl,R.sup.4 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aralkyl, and, in addition, also represents hydrogen in the case where R.sup.3 does not simultaneously represent unsubstituted alkyl, orR.sup.3 and R.sup.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: September 13, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Uta Jensen-Korte, Otto Schallner, Jorg Stetter, Heinz-Jurgen Wroblowsky, Benedikt Becker, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel
  • Patent number: 4638004
    Abstract: Plant growth-regulating and fungicidally active novel substituted phenylsulphonylureas of the formula ##STR1## in which R is hydrogen, halogen, alkyl, alkoxy, halogenoalkyl or nitro,Y is oxygen or sulphur,Het is ##STR2## T is --X--CH.sub.2 --Si(CH.sub.3).sub.3, or ##STR3## or, if Het is ##STR4## can also be ##STR5## --O--CH.sub.2 --CN or --O--CH.sub.2 --CO--CH.sub.3, E is nitrogen or CH,R.sup.1 and R.sup.2 each independently is alkyl, alkoxy, or alkoxyalkyl,X is oxygen, sulphur, the sulphinyl group or the sulphonyl group,X' is hydrogen or alkyl andR.sup.3 is hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl or optionally substituted aralkyl.
    Type: Grant
    Filed: May 15, 1985
    Date of Patent: January 20, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Heinz-Jurgen Wroblowsky, Robert R. Schmidt, Hans-Joachim Santel, Gerd Hanssler, Klaus Lurssen