Patents by Inventor Hans-Joachim Santel

Hans-Joachim Santel 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: 4960455
    Abstract: Herbicidal triazolodihydropyrimidine-2-sulphonamides of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 independently of one another each stand for hydrogen or for optionally substituted alkyl andR.sup.4 stands for in each case optionally substituted aryl or heteroaryl.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: October 2, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Jelich, Peter Babczinski, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4952235
    Abstract: (Hetero) aryloxynaphthalenes having substituents bonded via sulphur having herbicidal activity and of the formula ##STR1## in which m represents the number 0, 1 or 2,n represents the numbers 0 or 1,R.sup.1 represents hydrogen, halogen, cyano or trifluoromethyl,R.sup.2 represents hydrogen or halogen,R.sup.3 represents halogen, trifluoromethyl, trifluoromethoxy, trifluoromethylthio or trifluoromethylsulphonyl,R.sup.4 represents hydrogen or halogen,X represents nitrogen or the group C--R.sup.5, whereinR.sup.5 represents hydrogen or halogen,Y represents oxygen or one of the groupings ##STR2## wherein R.sup.6 represents hydrogen, alkyl, --CO--Z or --SO.sub.2 --Z andZ represents hydrogen, halogen or an optionally substituted alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkinyl, aryl or heteroaryl radical.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: August 28, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Michael Haug, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4952233
    Abstract: Herbicidally active sulphonylamino guanidinoazines of the formula ##STR1## in which R.sup.1 stands for a optionally substituted radical from the series comprising alkyl, aralkyl, aryl and hetaryl, R.sup.2 stands for an optionally substituted radical from the series comprising alkyl, aralkyl, aryl, hetaryl and dialkylamino, R.sup.3 stands for hydrogen, halogen, hydroxyl, alkyl, halogenoalkyl, alkoxyalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, amino, alkylamino or dialkylamino,X stands for nitrogen or a --CH-- grouping,Y stands for nitrogen or a --CR.sup.4 -- grouping,whereinR.sup.4 stands for hydrogen, halogen, cyano, alkyl, formyl, alkyl-carbonyl or alkoxy-carbonyl,Z stands for mitrogen or a --CR.sup.5 -- grouping,whereinR.sup.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: August 28, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Christa Fest, Rolf Kirsten, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4948417
    Abstract: Herbicidal substituted triazolinones of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkenyl, alkynyl, halogenoalkyl, halogenoalkenyl, halogenoalkynyl, alkoxyalkyl, alkoxy, cycloalkylalkyl, cycloalkyl or in each case optionally substituted aralkyl or aryl,R.sup.2 represents alkyl, alkenyl, alkynyl, halogenoalkyl, halogenoalkenyl, halogenoalkynyl, alkoxyalkyl, alkoxy, cycloalkylalkyl, cycloalkyl or in each case optionally substituted aralkyl or aryl,R.sup.3 and R.sup.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: August 14, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Markus Lindig, Karlfried Dickore, Kurt Findeisen, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4941912
    Abstract: Herbicidal substituted sulphonylaminoazoles of the formula ##STR1## in which R.sup.1 is optionally substituted alkyl, aralkyl, aryl or heteroaryl,R.sup.2 is hydrogen or --SO.sub.2 --R.sup.1,R.sup.3 is hydrogen, halogen, hydroxyl, mercapto, amino, or an optionally substituted alkyl, alkoxy, alkylthio, alkylamino or dialkylamino radical,A is CH, nitrogen or,at least one of A, D and E is ##STR2## and the others may be that or CH or nitrogen, and X, Y and Z each is nitrogen or optionally substituted C, and salts thereof.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: July 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Kirsten, Joachim Kluth, Christa Fest, Ernst Gesing, Klaus-Helmut Muller, Hans-Jochem Riebel, Peter Babczinski, Otto Schallner, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4941910
    Abstract: Herbicidal pyrimidine derivatives of the formula ##STR1## in which R.sup.1 stands for optionally substituted alkyl,R.sup.2 stands for an optionally substituted radical from the group consisting of alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heteroaryl and heteroarylalkyl, andstands for halogen, amino, cyanoamino or for an optionally substituted radical from the series comprising alkoxy, alkylthio, alkylamino and dialkylamino.Intermediates of the formula ##STR2## in which R.sup.3 is optionally substituted alkyl or benzyl, and n is 0 or 2,are also new.
    Type: Grant
    Filed: March 10, 1989
    Date of Patent: July 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Joachim Kluth, Klaus-Gunther Tietjen, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4936892
    Abstract: A 1-arylpyrazole of the formula (I) ##STR1## in which R.sup.1 stands for hydrogen or nitro,R.sup.2 stands for hydrogen, for a radical ##STR2## or a radical --S(O).sub.n --R.sup.5, R.sup.3 stands for alkyl, for a radical ##STR3## or for a radical --S(O).sub.n --R.sup.5, and, in addition, in the case where R.sup.2 stands for a radical --SO.sub.2 --R.sup.5, R.sup.3 alternatively stands for an inorganic or organic cation bonded in the manner of a salt,whereR.sup.4 stands for hydrogen, alkyl, alkenyl, alkinyl, monohalogenoalkyl, alkoxyalkyl, halogenoalkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkylsulphonylalkyl, alkylsulphinylalkyl, alkylamino, dialkylamino, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted aryloxy, optionally substituted arylthio, or for optionally substituted arylamino,X stands for oxygen or sulphur,R.sup.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Otto Schallner, Jorg Stetter, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 4931084
    Abstract: Herbicidal substituted triazolinones of the formula ##STR1## in which R.sup.1 stands for a ##STR2## radical or for a --S(O).sub.n --R.sup.7 radical, in whichR.sup.5 and R.sup.6 independently of one another in each case stand for alkyl, alkenyl, alkynyl, halogenoalkyl, halogenoalkenyl, halogenoalkynyl, alkoxyalkyl, alkoxy, cycloalkyl, cycloalkylalkyl, for in each case optionally substituted aryl, aralkyl or heteroaryl, or together with the nitrogen atom to which they are bonded, stand for an optionally substituted heterocyclic ring,R.sup.7 stands for alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl or for in each case optionally substituted aralkyl or aryl, andn stands for the number 0, 1 or 2,R.sup.2 stands for alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkynyl, alkoxyalkyl, alkoxy, cycloalkylalkyl, cycloalkyl or for in each case optionally substituted aralkyl or aryl,R.sup.3 stands for hydrogen or alkyl,R.sup.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: June 5, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Findeisen, Markus Lindig, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4929743
    Abstract: Herbicidally active novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is fluorine or chlorine,R.sup.2 is alkyl or halogenoalkyl, andR.sup.3 and R.sup.4 each independently is alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkyleneoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sub.3 and R.sub.4, conjointly with the nitrogen atom to which they are bonded form an optionally substituted, heterocyclic ring which can contain further hetero-atoms.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: May 29, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Gunther Beck, Erich Klauke, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4927454
    Abstract: Herbicidally active novel substituted 1-benzylsulphonyl-3-heteroaryl(thio)-ureas of the formula ##STR1## in which Q represents oxygen or sulphur,R.sup.1 represents hydrogen, or represents optionally substituted radicals from the series comprising alkyl, alkenyl, alkynyl and aralkyl,R.sup.2 represents hydrogen, halogen, hydroxy, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, amino, alkylamino or dialkylamino,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents halogenoalkyl,X represents nitrogen or a --CH grouping,Y represents nitrogen or a --CR.sup.5 grouping,R.sup.5 represents hydrogen, halogen, cyano, alkyl, formyl, alkyl-carbonyl or alkoxy-carbonyl,Z represents nitrogen or a --CR.sup.6 grouping, andR.sup.6 represents hydrogen, halogen, hydroxy, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, alkylamino or dialkylamino,and salts thereof with metals and basic organic nitrogen compounds. The benzylsulphonyl moieties are also new.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: May 22, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang
  • Patent number: 4923505
    Abstract: Herbicidal sulphonyliso(thio)ureas of the formula ##STR1## in which M stands for hydrogen or an alkali metal equivalent or an alkaline earth metal equivalent,n stands for the numbers zero or 1,Q stands for oxygen or sulphur,R.sup.1 stands for C.sub.1 -C.sub.6 -alkyl which is optionally substituted by substituents from the series comprising halogen or C.sub.1 -C.sub.4 -alkoxy,R.sup.2 stands for an optionally substituted phenyl radical,R.sup.3 stands for C.sub.1 -C.sub.2 -alkyl or C.sub.1 -C.sub.2 -alkoxy which are optionally substituted by halogen,R.sup.4 stands for C.sub.1 -C.sub.2 -alkyl or C.sub.1 -C.sub.2 -alkoxy which are optionally substituted by halogen, and Z stands for N or CH, with the proviso that Z stands for N when n stands for zero.Intermediates of the formula ##STR2## and ##STR3## are also new.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: May 8, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Christa Fest, Klaus-Helmut Muller, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: 4911752
    Abstract: A method of combating unwanted vegetation which comprises applying to such vegetation or to a locus from which it is desired to exclude such vegetation a herbicidally effective amount of a halogenoalkoxyphenylsulphonylisothioureidoazine of the formula ##STR1## in which R.sup.1 represents halogeno-C.sub.1 -C.sub.4 -alkoxy,R.sup.2 represents hydrogen, halogen, hydroxyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -halogenoalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -halogenoalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -halogenoalkylthio, amino, C.sub.1 -C.sub.4 -alkylamino or di-(C.sub.1 -C.sub.4 -alkyl)amino,X represents nitrogen or a --CH-- grouping,Y represents nitrogen or a --CR.sup.4 -- grouping,whereinR.sup.4 represents hydrogen, halogen, cyano, C.sub.1 -C.sub.4 -alkyl, formyl, C.sub.1 -C.sub.4 -alkyl-carbonyl or C.sub.1 -C.sub.4 -alkoxy-carbonyl, andZ represents nitrogen or a --CR.sup.5 -- grouping,whereinR.sup.5 represents hydrogen, halogen, hydroxyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: March 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4909832
    Abstract: 5-Dichloracetamido-4-nitro-1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, fluorine, chlorine or bromine,R.sup.2 represents hydrogen, fluorine or chlorine,R.sup.3 represents halogen, halogenoalkyl, halogenoalkoxy, halogenoalkythio or halogenoalkylsulphonyl,R.sup.4 represents hydrogen, fluorine, or chlorine, andR.sup.5 represents fluorine, chlorine or bromine, but in the case in which R.sup.1 and R.sup.5 simultaneously represent chlorine and in addition R.sup.2 and R.sup.4 simultaneously represent hydrogen, R.sup.3 does not represent chlorine or trifluoromethyl,exhibit herbicidal and plant growth-regulating properties. Novel intermediates therefor are also shown.
    Type: Grant
    Filed: April 2, 1988
    Date of Patent: March 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Otto Schallner, Jorg Stetter, Albercht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen
  • Patent number: 4909830
    Abstract: Herbicidal 3-aminopyrazolin-5-ones of the formula ##STR1## in which R.sup.1 stands for alkyl, alkenyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl, for optionally substituted aralkyl or for optionally substituted aryl,R.sup.2 stands for hydrogen or alkyl,R.sup.3 stands for hydrogen or alkyl,R.sup.4 stands for hydrogen, alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, alkoxycarbonylalkyl or alkanoyl, orR.sup.3 and R.sup.4 together stand for an alkylene or alkenylene radical, each of which is divalent,X stands for halogen, alkyl, alkoxy, alkylthio, halogenoalkyl. halogenoalkoxy or halogenoalkylthio, andZ stands for hydrogen, halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio,and acid addition salts thereof. Intermediates of the formula ##STR2## are also disclosed.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: March 20, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uta Jensen-Korte, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • 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: 4898608
    Abstract: Novel herbicidally active pyridylthio-acylanilides of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3, independently of one another, represent hydrogen, halogen, cyano or trifluoromethyl or alkyl, alkoxy and alkylthio having 1 to 4 carbon atoms in each case,R.sup.4 represents halogen, methyl or methoxy,n represents a number 0, 1 or 2,z represents the group (Ia) ##STR2## or the group (Ib) ##STR3## where X represents oxygen, sulphur, an N--R.sup.10 or N--O--R.sup.11 group, or X and R.sup.g tpgether represent the ##STR4## radical, and the other radicals can have various meanings. Intermediates of the formulae ##STR5## are also new.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: February 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Reiner Fischer, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4882437
    Abstract: A 5-aminopyrazole of the formula ##STR1## in which R.sup.1 represents alkoxycarbonyl, alkenyloxycarbonyl or alkinyloxycarbonyl, andR.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --(X)n--R.sup.8whereinX represents oxygen, sulphur, sulphinyl or sulphyonyl,n represents 0 or 1 andR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 or R.sup.7 represents a radical --(X).sub.n --R.sup.8, and R.sup.1 does not represent cyano if R.sup.1 represents trifluoromethyl,These compounds are intermediates useful in the preparation of herbicidally active substituted 5-acylamino-1-phenylpyrazoles.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: November 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Erich Klauke, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4877443
    Abstract: Herbicidally active 2,4-diamino-6-haloalkylpyrimidines of the formula ##STR1## in which R.sup.1 and R.sup.3, independently of one another, represent hydrogen or alkyl,R.sup.2 and R.sup.4, independently of one another, represent hydrogen, alkyl which is optionally substituted by halogen, cyano, alkoxy, alkylthio or by cyclopropyl, represent cycloalkyl, alkenyl which is optionally substituted by halogen, or alkinyl, andR.sup.5 represents alkyl which is substituted by halogen, with the proviso that R.sup.1, R.sup.2, R.sup.3 andR.sup.4 do not simultaneously represent hydrogen whenR.sup.5 represents trichloromethyl, and with the provisio that R.sup.1 and R.sup.2 do not simultaneously represent hydrogen when R.sup.4 represents alkyl which is substituted by alkoxy or alkylthio.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: October 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schwamborn, Erich Klauke, Robert R. Schmidt, Hans-Joachim Santel, Robert H. Strang
  • Patent number: 4877439
    Abstract: Herbicidal 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or nitro,R.sup.2 represents hydrogen or alkyl,R.sup.3 and R.sup.4 independently of one another each represent alkyl, halogenoalkyl or optionally substituted aryl,Ar represents optionally substituted phenyl or optionally substituted pyridyl,x represents a number 0 or 1 andy represents a number 0 or 1.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: October 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
  • Patent number: RE33298
    Abstract: The invention relates to new 1-(2-oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas of the general formula (I) ##STR1## in which R.sup.1 represents an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aralkyl and aryl,R.sup.2 represents hydrogen or an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl and aralkyl andR.sup.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: August 14, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Diehr, Christa Fest, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister, Uwe Priesnitz, Hans-Jochem Riebel, Wolfgang Roy, Hans-Joachim Santel, Robert R. Schmidt