Patents by Inventor Klaus Bauer

Klaus Bauer 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: 6239071
    Abstract: Compounds of the formula (I) and their salts in which R1 is optionally substituted (C1-C6)alkyl or optionally substituted phenyl, A is an optionally substituted hydrocarbon diradical and R2, R3, R4, R5, X and n are as defined in claim 1, are suitable as herbicides and plant growth regulators. The compounds (I) can be prepared according to processes as claimed in claim 6 by means of intermediates which are novel in some cases, e.g. of the formula (IV) as claimed in claim 10.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: May 29, 2001
    Assignee: Hoecht Schering AgrEvo GmbH
    Inventors: Wolfgang Giencke, Klemens Minn, Lothar Willms, Hermann Bieringer, Klaus Bauer, Christopher Rosinger
  • Patent number: 6239306
    Abstract: Compounds of the formula (I) and their salts as defined in claim 1, in which R1 is CO—Q—R8, where R8=H or R R2 and R3 are H or (C1-C4)alkyl, R4 is H, R, RO, OH, RCO, RSO2, PhSO2 R5 is RSO2, PhSO2, PhCO, RNHSO2, R2NSO2, RCO, CHO, COCOR′, CW—T—R9, CW—NR10R11, CW—N(R12)2 or R4 and R5 together are the chain (CH2)mB or —B1—(CH2)m1B— where B=SO2, m=3, 4; m1=2, 3; T and W=O, S; Q=O, S, NR13 where R13=H, R; R6=H, R, RO, RCO, ROCO, Hal, NO2, CN; R7=H, CH3; R9=R; R10, R11=H, R; N(R12)2=heterocycle A=pyrimidinyl and triazinyl radical or an analog thereof, where R=(substituted) aliphatic hydrocarbon radical, are suitable as selective herbicides. They are prepared by analogous processes via sulfonamides, some of which are new, of the formula (II) (see claim 4).
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: May 29, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Lothar Willms, Klaus Bauer, Hermann Bieringer
  • Patent number: 6235680
    Abstract: Novel N-acylsulfonamides, novel mixtures of herbicides and antidotes, and their use Safeners against phytotoxic side effects of pesticides in crop plants are compounds of the formula (I) and salts thereof where R1 is hydrogen, a hydrocarbon radical, a hydrocarbonoxy radical, a hydrocarbonthio radical or a heterocyclyl radical, each of the last-mentioned 4 radicals being unsubstituted or substituted by one or more identical or different radicals selected from the group consisting of halogen, cyano, nitro, amino, hydroxyl, carboxyl, formyl, carboxamide, sulfonamide and radicals of the formula —Za—Ra R2 is hydrogen or (C1-C4)-alkyl or R1 and R2 together with the group of the formula —CO—N— are the radical of a 3- to 8-membered saturated or unsaturated ring and R3 to R5, n and m are as defined in claim 1. The compounds can be prepared by the process of claim 8.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: May 22, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Frank Ziemer, Klaus Haaf, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 6071860
    Abstract: Compounds of the formula (I) and salts thereof ##STR1## where R.sup.1 to R.sup.5, A, Z, X, X', n and m are as defined in claim 1 are suitable as herbicides and plant growth regulators.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: June 6, 2000
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Wolfgang Giencke, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 6069114
    Abstract: Compounds of the formula (I) and their salts ##STR1## in which R.sup.1 to R.sup.6, Y.sup.1, to Y.sup.2, Y.sup.3, m and n are as defined in claim 1 are suitable as herbicides and plant growth regulators. They can be prepared analogously to known processes using intermediates of the formula (V) (cf. claim 6).
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: May 30, 2000
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Klemens Minn, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 6017852
    Abstract: The invention relates to a method of controlling harmful plants in rice crops, which comprises applying one or more compounds of the formula (I) or salts thereof whereR.sup.1 is an acyl radical from the group CO--R.sup.2, CS--R.sup.2, CO--OR.sup.3, CS--OR.sup.3, CO--SR.sup.4, CS--SR.sup.4, CO--NR.sup.5 R.sup.6 and CS--NR.sup.5 R.sup.6, and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 and also X, Y and Z are as defined in the formula (I) of claim 1,to the area under cultivation, which contains the harmful plants and rice plants or their seeds, in an effective amount of from 0.0001 to 0.5 kg of a.i./ha.The compounds (I) are known per se. The invention also provides novel salts of the compounds (I).
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: January 25, 2000
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Lothar Willms, Klaus Bauer
  • Patent number: 5972839
    Abstract: The invention relates to novel .alpha.-fluoroacrylic acid derivatives, to active compound/antidote combinations which comprise .alpha.-fluoroacrylic acid derivatives and are outstandingly suitable for use in crops of useful plants, to their use and to methods for protecting crop plants.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: October 26, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Frank Ziemer, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger, Jacques Demassey
  • Patent number: 5945541
    Abstract: The present invention relates to agents for protecting crop plants from the phytotoxic side effects of herbicides, which agents contain a compound of the formula I ##STR1## wherein Y denotes C--H or N,the symbols R.sub.1 independently of one another denote alkyl, halo-alkyl, alkoxy, haloalkoxy or halogen,R.sub.2 denotes alkyl or cycloalkyl,X denotes COOR.sub.3, CON(R.sub.4).sub.2, COSR.sub.3, CN or ##STR2## R.sub.3 denotes an alkali metal or alkaline earth metal, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, or phenylalkyl, it being possible for phenyl to be substituted by halogen, or trialkylsilylalkyl or alkoxyalkyl,the symbols R.sub.4 independently of one another denote H, alkyl or cycloalkyl, which can be substituted, or 2 radicals R.sub.4 together with the N atom linking them form a 4- to 7-membered heterocyclic ring andn denotes 1 to 3, in combination with a herbicide.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: August 31, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Erich Sohn, Hilmar Mildenberger, Klaus Bauer, Hermann Bieringer
  • Patent number: 5928997
    Abstract: Increased synergistic herbicidal actions are obtained using combinations of the herbicides A and B, where A denotes substituted N-phenoxysulfonyl-N'-(4,6-disubstituted pyrimid-2-yl)ureas of the formula (I) as claimed in claim 1, and B denotes quinchlorac, molinate, thiobencarb, butachlor, pretilachlor, MON 7200, mefenacet, fenoxaprop-ethyl, dimepiperate and/or NTN-901.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: July 27, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus Bauer, Hermann Bieringer, Erwin Hacker
  • Patent number: 5927967
    Abstract: A method of removing sulphur dioxide from exhaust gases generated in the production of cement wherein cement raw meal is preheated, ground, and burned in a kiln to form cement clinker which subsequently is cooled and ground. Grinding of the clinker is performed in the presence of preheater exhaust gases containing sulphur dioxide, the cement particles absorbing sulphur dioxide from such exhaust gases.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: July 27, 1999
    Assignee: E. Schwenk Baustoffwerke KG
    Inventors: Klaus Bauer, Jurgen Thormann, Ludger Lohnherr
  • Patent number: 5925596
    Abstract: Substituted aminomethylphenylsulfonylureas, their preparation, and their use as herbicides and plant growth regulatorsCompounds of the formula (I) and salts thereof ##STR1## where R.sup.1 to R.sup.7 and A are as defined in claim 1 and, inter alia, F.sup.5 is an acyl radical or NR.sup.4 R.sup.5 together are a heterocyclic radical, are useful as herbicides and plant growth regulators. They can be prepared by the methods of known processes, using novel intermediates of the formula (II), (IV), (VI) or (VII) (cf. claim 5).
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: July 20, 1999
    Assignee: Hoechst-Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5925597
    Abstract: Compounds of the formula (I) and their salts as defined in claim 1, ##STR1## in which R.sup.1 is CO--Q--R.sup.8, where R.sup.8 =H or RR.sup.2 and R.sup.3 are H or (C.sub.1 -C.sub.4)alkyl,R.sup.4 is H, R, RO, OH, RCO, RSO.sub.2, PhSO.sub.2R.sup.5 is RSO.sub.2, PhSO.sub.2, PhCO, RNHSO.sub.2, R.sub.2 NSO.sub.2, RCO, CHO, COCOR', CW--T--R.sup.9, CW--NR.sup.10 R.sup.11, CW--N(R.sup.12).sub.2 orR.sup.4 and R.sup.5 together are the chain (CH.sub.2).sub.m B or --B.sup.1 --(CH.sub.2).sub.m1 B-- where B=SO.sub.2, CO; m=3, 4; m.sup.1 =2, 3;T and W=O, S; Q=O, S, NR.sup.13 where R.sup.13 =H, R;R.sup.6 =H, R, RO, RCO, ROCO, Hal, NO.sub.2, CN;R.sup.7 =H, CH.sub.3 ; R.sup.9 =R; R.sup.10, R.sup.11 =H, R; N(R.sup.12).sub.2 =heterocycleA=pyrimidinyl and triazinyl radical or an analog thereof,where R=(substituted) aliphatic hydrocarbon radical, are suitable as selective herbicides. They are prepared by analogous processes via sulfonamides, some of which are new, of the formula (II).
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: July 20, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Lothar Willms, Klaus Bauer, Hermann Bieringer
  • Patent number: 5922648
    Abstract: Compounds of the formula (I) and salts thereof ##STR1## in which R.sup.1 to R.sup.9, X, Y n and m are as defined in the claim 1 are suitable as herbicides and plant growth regulators.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: July 13, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Klaus Lorenz, Klemens Minn, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5922646
    Abstract: Acylated aminophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators. Compounds of the formula (I) and salts thereof ##STR1## in which W.sup.1, W.sup.2, R, n, R.sup.1, R.sup.2, R.sup.4, X, Y and Z are as defined in claim 1 and R.sup.3 is an acyl radical, are suitable as herbicides and plant growth regulators. The herbicides can be prepared by the process variants from claim 5, the novel intermediate products (II), (IV), (VI) and (VIII)* of claims 9 and 10 being employed.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: July 13, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Lothar Willms, Klaus Bauer, Hermann Bieringer
  • Patent number: 5922645
    Abstract: Compounds of the formula (I) and salts thereof ##STR1## in which R.sup.1 to R.sup.6, W, X, Y and Z are defined as in claim 1, have herbicidal or plant growth-regulatory properties.They can be prepared by processes analogous to known processes (cf. claim 5), in some cases via novel intermediate products (cf.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: July 13, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Heinz Kehne, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5861357
    Abstract: Compounds of the formula (I) ##STR1## in which R.sup.1 to R.sup.5, X, W, n and Z are defined as in claim 1 are particularly suitable for use as selective herbicides in crops of useful plants.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: January 19, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5854179
    Abstract: Sulfur-substituted phenylsulfonylureas; processes for their preparation and their use as herbicides and plant growth regulatorsCompounds of the formula (I) and salts thereof ##STR1## in which R*, R.sup.1, R.sup.2, R.sup.3, X, Y, Z, W, n and m are defined as in claim 1, and specifically R* is a formyl equivalent of the formula CHO, --CH.dbd.NR or CH(X.sup.1 R')(X.sup.2 R"), are suitable as herbicides and plant growth regulators. They are prepared analogously to known methods, in some cases using novel intermediate products of the formula (XVII) ##STR2## in which U*.dbd.NH.sub.2, Cl or (substituted) amino.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: December 29, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5849666
    Abstract: N-substituted hydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulatorsCompounds of the formula (I) or salts thereof ##STR1## in which R.sup.1 to R.sup.6, W, Q, X, Y and Z are defined as in formula (I) as claimed in claim 1, are suitable as herbicides and plant growth regulators.The compounds (I) are prepared by processes analogous to known processes (cf.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: December 15, 1998
    Assignee: Hoechst Schering Agrevo GmbH
    Inventors: Heinz Kehne, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger
  • Patent number: 5847146
    Abstract: N-Heteroaryl-N'-(pyrid-2-yl-sulfonyl)ureas, processes for their preparation, and their use as herbicides and plant growth regulatorsCompounds of the formula (I) ##STR1## in which R.sup.1 -R.sup.4, A, n, m and w are as defined in claim 1, are suitable as herbicides for controlling harmful plants and can be prepared, inter alia, from the sulfonamides of the formula (II) ##STR2## by reacting them with carbamates R*O--CO--NR.sup.4 --A.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: December 8, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Rainer Schutze, Heinz Kehne, Klaus Bauer, Hermann Bieringer
  • Patent number: 5756422
    Abstract: Substituted quinoline compounds, processes for their preparation, composition containing them, and their use as safenersCompounds of the formula I and salts thereof ##STR1## in which R.sup.1 ?lacuna! CN, C(.dbd.Z)--Q(A.sub.i X.sub.i).sub.q --R, --C(.dbd.Z)--QR*, 1,2,3,4-tetrazol-5-yl, 1,3,4-triazol-2-yl, 1,3-oxazol-2-yl,and the remaining radicals are as defined in claim 1, are suitable for use as safeners for protecting crop plants such as, for example, cereals, rice and maize, against herbicide damage.Some of the compounds are known and some are novel and they can be prepared from quinolin-8-oxy derivatives by the processes of claim 7.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: May 26, 1998
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Xenia Holdgrun, Lothar Willms, Klaus Bauer, Hermann Bieringer