Patents by Inventor Karl-Heinz Linker
Karl-Heinz Linker 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).
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Patent number: 6063798Abstract: The present invention relates to new substituted N-methylenethioureas of the general formula (I) ##STR1## in which n, Het, R.sup.1 and R.sup.2 have the meanings given in the description,to a process for their preparation, and to their use in pesticides, in particular as insecticides.Type: GrantFiled: December 22, 1997Date of Patent: May 16, 2000Assignee: Bayer AktiengesellschaftInventors: Johannes Kanellakopulos, Kurt Findeisen, Karl-Heinz Linker, Christoph Erdelen, Andreas Turberg, Norbert Mencke
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Patent number: 6025498Abstract: The invention relates to a novel 4-thiocarbamoyl-1-(3-pyrazolyl)-pyrazoles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each as defined in the description, to a process for their preparation and to their use as herbicides.Type: GrantFiled: February 26, 1998Date of Patent: February 15, 2000Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz Linker, Kurt Findeisen, Wilhelm Haas, Markus Dollinger
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Patent number: 5861358Abstract: The invention relates to novel substituted sulphonylaminocabonyltriazolinones of the formula (I), in which Q represents oxygen, sulphur or the grouping --N(R.sup.4)--, R.sup.3 represents aryl or arylalkyl which are in each case substituted at least twice, with one of the substituents being different from alkyl, and R.sup.1, R.sup.2 and R.sup.4 represent hydrogen or different substituents and also to salts of compounds of the formula (I), to processes for preparing the novel compounds and to their use as herbicides.Type: GrantFiled: September 30, 1996Date of Patent: January 19, 1999Assignee: Bayer AktiengesellschaftInventors: Kurt Findeisen, Karl-Heinz Linker, Ernst-Rudolf Gesing, Joachin Kluth, Klaus-Helmut Muller, Hans-Jochem Riebel, Klaus Konig, Hans-Joachim Santel, Markus Dollinger
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Patent number: 5858925Abstract: 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: GrantFiled: October 21, 1996Date of Patent: January 12, 1999Assignee: Bayer AktiengesellschaftInventors: Mark-Wilhelm Drewes, Roland Andree, Kurt Findeisen, Wilhelm Haas, Andreas Lender, Karl-Heinz Linker, Otto Schallner, Markus Dollinger, Hans-Joachim Santel
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Patent number: 5739349Abstract: The invention relates to a new process and new intermediates for the preparation of triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl or cycloalkyl andR.sup.2 represents amino or in each case optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkylamino, dialkylamino, cycloalkyl, cycloalkylalkyl or phenyl, and to new intermediates for the preparation of triazolinones, many of which are known and which can be used as intermediates for the preparation of herbicides and insecticides.Type: GrantFiled: January 21, 1997Date of Patent: April 14, 1998Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz Linker, Wilhelm Haas, Kurt Findeisen, Hans-Joachim Diehr
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Patent number: 5688963Abstract: The invention relates to a new process and to new intermediates for the preparation of triazolinones, most of which are known, of the general formula (I) ##STR1## in which R.sup.1 and R.sup.2 have the meanings given in the application, and which can be used as intermediates for the preparation of herbicides and insecticides.Type: GrantFiled: January 16, 1996Date of Patent: November 18, 1997Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Karl-Heinz Linker, Kurt Findeisen
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Patent number: 5663362Abstract: The invention relates to novel substituted triazolinones of the general formula (I), ##STR1## in which R.sup.1 represents hydrogen, halogen, cyano, hydroxyl or one of the radicals --R.sup.6, --O--R.sup.6, --O--NR.sup.6 R.sup.7, --S--R.sup.6, --S(O)--R.sup.6 or --SO.sub.2 --R.sup.6,R.sup.2 represents hydrogen, hydroxyl, amino, cyano or one of the radicals --R.sup.6, --O--R.sup.6 or --N.dbd.CR.sup.6 R.sup.7,R.sup.3 represents hydrogen, halogen, alkyl or halogenoalkyl,R.sup.4 represents hydrogen, one of the radicals --R.sup.6, --O--R.sup.6 or --SO--R.sup.6 or an inorganic or organic cation andR.sup.5 represents amino, hydroxyl or one of the radicals --R.sup.6 or --NR.sup.6 R.sup.7, orR.sup.4 and R.sup.5 together represent a divalent alkanediyl radical andX represents oxygen or sulphur, whereR.sup.6 represents alkyl, alkenyl, alkinyl, cycloalkyl, aryl or heterocyclyl, which may each optionally be substituted,R.sup.Type: GrantFiled: June 6, 1995Date of Patent: September 2, 1997Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Karl-Heinz Linker, Otto Schallner, Kurt Findeisen, Hans-Joachim Santel, Markus Dollinger
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Patent number: 5654438Abstract: The invention relates to new sulphonylaminocarbonyltriazolinones of the formula (I) ##STR1## in which Q represents oxygen, sulphur or one of the following groups ##STR2## (in which the radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the description), as well as to salts of compounds of the formula (I), to processes and novel intermediates for the preparation of the novel compounds, and to their use as herbicides.Type: GrantFiled: June 3, 1996Date of Patent: August 5, 1997Assignee: Bayer AktiengesellschaftInventors: Kurt Findeisen, Karl-Heinz Linker, Joachim Kluth, Klaus-Helmut Muller, Hans-Jochem Riebel, Klaus Konig, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 5639891Abstract: The invention relates to a new process and new intermediates for the preparation of triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl or cycloalkyl andR.sup.2 represents amino or in each case optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkylamino, dialkylamino, cycloalkyl, cycloalkylalkyl or phenyl, and to new intermediates for the preparation of triazolinones, many of which are known and which can be used as intermediates for the preparation of herbicides and insecticides.Type: GrantFiled: September 14, 1995Date of Patent: June 17, 1997Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz Linker, Wilhelm Haas, Kurt Findeisen, Hans-Joachim Diehr
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Patent number: 5552369Abstract: The invention relates to new sulphonylaminocarbonyltriazolinones of the formula (I) ##STR1## in which Q represents oxygen, sulphur or one of the following groups ##STR2## (in which the radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the description),as well as to salts of compounds of the formula (I), to processes and novel intermediates for the preparation of the novel compounds, and to their use as herbicides.Type: GrantFiled: April 7, 1995Date of Patent: September 3, 1996Assignee: Bayer AktiengesellschaftInventors: Kurt Findeisen, Karl-Heinz Linker, Joachim Kluth, Klaus-Helmut M uller, Hans-Jochem Riebel, Klaus K onig, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 5525579Abstract: The invention relates to new substituted triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents alkyl, halogenoalkyl, alkoxyalkyl or cycloalkyl,R.sup.2 and R.sup.1 either independently of one another in each case represent hydrogen, alkyl or alkoxycarbonyl, or together with the nitrogen atom to which they are bonded represent an optionally substituted alkylideneimino radical,R.sup.4 either represents hydrogen, cyano, alkyl, alkenyl, alkinyl or halogenoalkyl andR.sup.5 represents hydrogen, alkyl or halogenoalkyl, orR.sup.4 and R.sup.5 together with the carbon atom to which they are bonded represent cycloalkyl,R.sup.6 represents hydrogen or in each case optionally substituted alkyl, cycloalkyl, aryl, arylalkyl or heteroaryl,X represents oxygen or sulphur andZ represents oxygen or sulphur,to a plurality of processes for their preparation, to a plurality of new intermediates, and to their use as herbicides.Type: GrantFiled: May 10, 1994Date of Patent: June 11, 1996Assignee: Bayer AktiengesellschaftInventors: Joachim Kluth, Klaus-Helmut Muller, Wilhelm Haas, Karl-Heinz Linker, Kurt Findeisen, Klaus Konig, Hans-Joachim Santel, Markus Dollinger
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Patent number: 5508420Abstract: The invention relates to a new process and to new intermediates for the preparation of triazolinones, most of which are known, of the general formula (I) ##STR1## in which R.sup.1 and R.sup.2 have the meanings given in the application, and which can be used as intermediates for the preparation of herbicides and insecticides.Type: GrantFiled: December 5, 1994Date of Patent: April 16, 1996Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Karl-Heinz Linker, Kurt Findeisen
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Patent number: 5476946Abstract: The invention relates to new 1-aryltriazolin(ethi)ones of the general formula (I) ##STR1## in which R.sup.1 represents nitro or represents a radical --NR.sup.8 R.sup.9,R.sup.2 represents hydrogen, amino or cyano, or represents one of the radicals --R.sup.10, --O--R.sup.10, --S--R.sup.10, --NR.sup.10 R.sup.11, --N(R.sup.11)--CO--R.sup.10 or --N.dbd.CR.sup.10 R.sup.11,R.sup.3, R.sup.6 and R.sup.7 independently of one another each represent hydrogen, halogen or nitro,R.sup.4 represents hydrogen, halogen, cyano or nitro, or represents one of the radicals --R.sup.12, --O--R.sup.12, --S--R.sup.12, --S(O)--R.sup.12, --SO.sub.2 --R.sup.12, --SO--OR.sup.12, --SO--NR.sup.11 R.sup.12, --CO--OR.sup.12, --CO--NR.sup.11 R.sup.12, --O--SO.sub.2 --R.sup.12, --N(R.sup.11)--SO.sub.2 --R.sup.12, --NR.sup.11 R.sup.12, --NH--P(O)(R.sup.11)(OR.sup.12) or --NH--P(O)(OR.sup.11)(OR.sup.12),R.sup.5 represents nitro, cyano, halogen or halogenoalkyl, andX represents oxygen or sulphur, whereR.sup.8 and R.sup.Type: GrantFiled: February 2, 1994Date of Patent: December 19, 1995Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz Linker, Kurt Findeisen, Wilhelm Haas, Otto Schallner, Markus Dollinger, Hans-Joachim Santel
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Patent number: 5475115Abstract: The invention relates to a new process and new intermediates for the preparation of triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl or cycloalkyl andR.sup.2 represents amino or in each case optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkylamino, dialkylamino, cycloalkyl, cycloalkylalkyl or phenyl, and to new intermediates for the preparation of triazolinones, many of which are known and which can be used as intermediates for the preparation of herbicides and insecticides.Type: GrantFiled: November 10, 1994Date of Patent: December 12, 1995Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz Linker, Wilhelm Haas, Kurt Findeisen, Hans-Joachim Diehr
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Patent number: 5464810Abstract: The invention relates to novel substituted triazolinones of the general formula (I), ##STR1## in which R.sup.1 represents hydrogen, halogen, cyano, hydroxyl or one of the radicals --R.sup.6, --O--R.sup.6, --O--NR.sup.6 R.sup.7, --S--R.sup.6, --S(O)--R.sup.6 or --SO.sub.2 --R.sup.6,R.sup.2 represents hydrogen, hydroxyl, amino, cyano or one of the radicals --R.sup.6, --O--R.sup.6 or --N.dbd.CR.sup.6 R.sup.7,R.sup.3 represents hydrogen, halogen, alkyl or halogenoalkyl,R.sup.4 represents hydrogen, one of the radicals --R.sup.6, --O--R.sup.6 or --SO.sub.2 --R.sup.6 or an inorganic or organic cation andR.sup.5 represents amino, hydroxyl or one of the radicals --R.sup.6 or --NR.sup.6 R.sup.7, orR.sup.4 and R.sup.5 together represent a divalent alkanediyl radical andX represents oxygen or sulphur, whereR.sup.6 represents alkyl, alkenyl, alkinyl, cycloalkyl, aryl or heterocyclyl, which may each optionally be substituted,R.sup.Type: GrantFiled: January 28, 1994Date of Patent: November 7, 1995Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Karl-Heinz Linker, Otto Schallner, Kurt Findeisen, Hans-Joachim Santel, Markus Dollinger
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Patent number: 5395818Abstract: The invention relates to novel heterocyclyltriazolinones of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, hydroxyl, cyano or alkyl, alkenyl, alkinyl, cycloalkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, arylsulphonyl, amino or heterocyclyl, each of which is optionally substituted,R.sup.2 represents hydrogen, hydroxyl, mercapto, halogen or alkyl, alkenyl, alkinyl, cycloalkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, arylalkyl, amino or heterocyclyl, each of which is optionally substituted, andHet represents an optionally substituted heterocycle of the formula ##STR2## in which X in each case represents oxygen, sulphur, an NH group or an N-alkyl group,a process for their preparation and their use as herbicides.Type: GrantFiled: July 2, 1993Date of Patent: March 7, 1995Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Kurt Findeisen, Heinz Forster, Karl-Heinz Linker, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 5378681Abstract: The invention relates to new substituted triazolinones of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy, halogenoalkyl or halogenoalkoxy,R.sup.2 represents hydrogen, alkyl or halogenoalkyl,R.sup.3 represents hydrogen or halogen,R.sup.4 represents hydrogen, cyano, halogen or a radical of the formula --O--R.sup.6, --S--R.sup.6, --C(O)--O--R.sup.6, --C(O)--S--R.sup.6, --NR.sup.6 R.sup.7 or --C(O)--NR.sup.6 R.sup.7,R.sup.5 represents cyano or nitro andX represents oxygen or sulphur, whereR.sup.6 and R.sup.7 independently of one another in each case represent hydrogen or in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, cycloalkoxycarbonyl, aryl or arylalkyl,to a plurality of processes for their preparation, and to their use as herbicides.Type: GrantFiled: November 16, 1993Date of Patent: January 3, 1995Assignee: Bayer AktiengesellschaftInventors: Otto Schallner, Wilhelm Haas, Karl-Heinz Linker, Kurt Findeisen, Klaus Konig, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 5294596Abstract: The invention relates to novel heterocyclyltriazolinones of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen or represents alkyl or cycloalkyl, each of which is optionally substituted,R.sup.2 represents hydrogen, hydroxyl, mercapto or halogen or represents alkyl, alkenyl, alkinyl, cycloalkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, arylalkyl, amino or heterocyclyl, each of which is optionally substituted, andHet represents an optionally substituted heterocycle of the formula ##STR2## in which X in each case represents oxygen, sulphur, an NH group or an N-alkyl group,a process for their preparation and their use as herbicides.Type: GrantFiled: July 21, 1993Date of Patent: March 15, 1994Assignee: Bayer AktiengesellschaftInventors: Wilhelm Haas, Kurt Findeisen, Karl-Heinz Linker, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 4503025Abstract: Dicyanogen is prepared by reacting trimethylsilyl cyanide with cyanogen halides in the presence of Lewis acids.Type: GrantFiled: August 1, 1983Date of Patent: March 5, 1985Assignee: Bayer AktiengesellschaftInventors: Rudolf Fauss, Karl-Heinz Linker, Kurt Findeisen
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Patent number: 4328351Abstract: A process for the preparation of trimethylsilyl cyanide comprising reacting trimethylsilyl chloride with an approximately equimolar amount of an alkali metal cyanide in the presence of a catalytic amount of a heavy metal cyanide and in the presence of an aprotic solvent with a boiling point above about 150.degree. C., at a temperature between about 130.degree. and 250.degree. C. Advantageously the reaction temperature is between about 160.degree. and 220.degree. C., the alkali metal cyanide is sodium cyanide or potassium cyanide, the heavy metal cyanide is copper(I) cyanide, copper(II) cyanide, zinc cyanide or a complex compound of one of them with an alkali metal cyanide and is employed in about 1 to 8 mol % relative to the alkali metal cyanide, and the mixture of aprotic solvent, heavy metal cyanide and alkali metal chloride remaining in the reaction vessel when the reaction has ended is used directly as the reaction medium for a further batch.Type: GrantFiled: April 23, 1981Date of Patent: May 4, 1982Assignee: Bayer AktiengesellschaftInventors: Kurt Findeisen, Karl-Heinz Linker