Patents by Inventor Reinhard Doetzer

Reinhard Doetzer 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: 6605631
    Abstract: Compounds of the general formula I where the index and the substituents have the following meanings: n is 0 or 1 to 4; X is O or S; Y is a five-membered heteroaromatic ring; R1 is nitro; cyano; halogen; alkyl; haloalkyl; alkoxy; haloalkoxy; alkylthio; phenyl or phenoxy; R2 is hydrogen; alkyl, alkenyl or alkynyl; or a saturatedy,or unsaturated ring which, in addition to carbon atoms, can also contain hetero atoms as ring members are described.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: August 12, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Wassilios Grammenos, Herbert Bayer, Reinhard Doetzer, Hartmann Koenig, Klaus Oberdorf, Hubert Sauter, Horst Wingert, Gisela Lorenz, Eberhard Ammermann, Volker Harries
  • Patent number: 6288009
    Abstract: The invention provides novel mepiquat plant growth regulator compositions which have improved hygroscopicity and corrosion characteristics. The novel mepiquat plant growth regulator compositions of the invention can be readily prepared from technical mepiquat chlorid inter alia by electrochemical ion exchange processes or by quaternization of N-methylpiperidine with dimethylcarbonate as starting material.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: September 11, 2001
    Assignees: BASF Corporation, BASF Aktiengesellschaft
    Inventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
  • Patent number: 6252083
    Abstract: Carbamates of the formula I where the substituents have the following meanings: Z is methoxy, NH2, NHCH3, N(CH3)2, CH3, C2H5, CF3 or CCl3, X and Y are identical or different and each is hydrogen, F, Cl, Br, CF3, CN, NO2, alkoxy, alkenyloxy, alkynyloxy, alkyl, alkenyl or alkynyl or may be condensed together to form a substituted or unsubstituted aromatic or heteroaromatic, alicyclic or heterocyclic, partially or completely hydrogenated ring, R1 may also be substituted or unsubstituted and is O-alkyl, O-alkenyl, O-alkynyl, O-cycloalkyl, O-cycloalkenyl or O—CO2-alkyl, A is —O—, —S—, —CR2═CR3—, CHR2—O—, —CHR2—S—, —CHR2—O—N═C(R4)—, —CR2═N—O—, —O—N═C(R4)—, —C≡C—, —CHR2—CHR3—, —CHR2—O—CO—, —O—CHR2— or a single bond, B is substituted or unsubstituted and is alkyl, alke
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: June 26, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 6248694
    Abstract: The invention provides novel mepiquat plant growth regulator compositions which have improved hygroscopicity and corrosion characteristics. The novel mepiquat plant growth regulator compositions of the invention can be readily prepared from technical mepiquat chlorid inter alia by electrochemical ion exchange processes or by quaternization of N-methylpiperidine with dimethylcarbonate as starting material.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: June 19, 2001
    Assignees: BASF Aktiengesellschaft, BASF Corporation
    Inventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
  • Patent number: 6224734
    Abstract: The invention provides novel mepiquat plant growth regulator compositions which have improved hygroscopicity and corrosion characteristics. The novel mepiquat plant growth regulator compositions of the invention can be readily prepared from technical mepiquat chlorid inter alia by electrochemical ion exchange processes or by quaternization of N-methylpiperidine with dimethylcarbonate as starting material.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: May 1, 2001
    Assignees: BASF Aktiengesellschaft, BASF Corporation
    Inventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
  • Patent number: 6075148
    Abstract: Carbamates of the formula I where the substituents have the following meanings:Z is methoxy, NH.sub.2, NHCH.sub.3, N(CH.sub.3).sub.2, CH.sub.3, C.sub.2 H.sub.5, CF.sub.3 or CCl.sub.3,X and Y are identical or different and each is hydrogen, F, Cl, Br, CF.sub.3, CN, NO.sub.2, alkoxy, alkenyloxy, alkynyloxy, alkyl, alkenyl or alkynyl or may be condensed together to form a substituted or unsubstituted aromatic or heteroaromatic, alicyclic or heterocyclic, partially or completely hydrogenated ring,R.sup.1 may also be substituted or unsubstituted and is O-alkyl, O-alkenyl, O-alkynyl, O-cycloalkyl, O-cycloalkenyl or O--CO.sub.2 -alkyl,A is --O--, --S--, --CR.sup.2 .dbd.CR.sup.3 --, CHR.sup.2 --O--, --CHR.sup.2 --S--, --CHR.sup.2 --O--N.dbd.C(R.sup.4)--, --CR.sup.2 .dbd.N--O--, --O--N.dbd.C(R.sup.4)--, --C.tbd.C--, --CHR.sup.2 --CHR.sup.3 --, --CHR.sup.2 --O--CO--, --O--CHR.sup.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: June 13, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 6031110
    Abstract: Compounds of the general formula I ##STR1## where the index and the substituents have the following meanings: n is 0 or 1 to 4;X is O or S;Y is a five-membered heteroaromatic ring;R.sup.1 is nitro; cyano; halogen; alkyl; haloalkyl; alkoxy; haloalkoxy; alkylthio; phenyl or phenoxy;R.sup.2 is hydrogen; alkyl, alkenyl or alkynyl;or a saturated or unsaturated ring which, in addition to carbon atoms, can also contain hetero atoms as ring members are described.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: February 29, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Wassilios Grammenos, Herbert Bayer, Reinhard Doetzer, Hartmann Koenig, Klaus Oberdorf, Hubert Sauter, Horst Wingert, Gisela Lorenz, Eberhard Ammermann, Volker Harries
  • Patent number: 5981532
    Abstract: Carbamates of the formula I ##STR1## wherein B is a saturated or unsaturated heterocyclic group, and the other substituents are defined in the specification, and having crop protection properties.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: November 9, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5824705
    Abstract: Carbamates of the formula I ##STR1## where the substituents have the following meanings: Z is methoxy, NH.sub.2, NHCH.sub.3, N(CH.sub.3).sub.2, CH.sub.3, C.sub.2 H.sub.5, CF.sub.3 or CCl.sub.3,X and Y are identical or different and each is hydrogen, F, Cl, Br, CF.sub.3, CN, NO.sub.2, alkoxy, alkenyloxy, alkynyloxy, alkyl, alkenyl or alkynyl or may be condensed together to form a substituted or unsubstituted aromatic or heteroaromatic, alicyclic or heterocyclic, partially or completely hydrogenated ring,R.sup.1 may also be substituted or unsubstituted and is O-alkyl, O-alkenyl, O-alkynyl, O-cycloalkyl, O-cycloalkenyl or O--CO.sub.2 -alkyl,A is --O--, --S--, --CR.sup.2 .dbd.CR.sup.3 --, CHR.sup.2 --O--, --CHR.sup.2 --S--, --CHR.sup.2 --O--N.dbd.C(R.sup.4)--, --CR.sup.2 .dbd.N--O--, --O--N.dbd.C(R.sup.4)--, --C.tbd.C--, --CHR.sup.2 --CHR.sup.3 --, --CHR.sup.2 --O--CO--, --O--CHR.sup.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: October 20, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5633268
    Abstract: Compounds of the formula I ##STR1## where the index and the substituents have the following meanings as defined in the specification.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: May 27, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Hans Theobald, Klaus Oberdorf, Reinhard Doetzer, Ralf Klintz, Bernd Schaefer, Volker Harries, Uwe Kardorff, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5543433
    Abstract: Compounds of the formula I ##STR1## where X is hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, cyano or nitro,Y is an amino, methylamino or dimethylamino group,Z is a group CHCH.sub.3, CHOCH.sub.3 or NOCH.sub.3,R is hydrogen or alkyl,A is hydrogen, alkyl, haloalkyl or cycloalkyl,B is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl or the group ##STR2## where W is hydrogen, alkyl, alkoxy, alkylthio, alkylamino or dialkylamino, unsubstituted or substituted aryl or heteroaryl, unsubstituted or substituted aryloxy, arylthio, arylamino or aryl-N-(C.sub.1 -C.sub.6 -alkyl)amino, heteroaryloxy, heteroarylthio, heteroarylamino or heteroaryl-N-(alkyl)amino orA and B, together with the C atom whose substituents they are, are an isocyclic or heterocyclic ring which can also be quinonoid,and fungicides containing these compounds.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: August 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Doetzer, Hubert Sauter, Herbert Bayer, Franz Roehl, Gisela Lorenz, Eberhard Ammermann, Horst Wingert
  • Patent number: 5510528
    Abstract: A process for preparing halomethylbenzoyl cyanides IPh-CO-CN I(Ph=phenyl radical substituted by chloromethyl or bromomethyl which, if desired, can additionally carry 1-4 further radicals) by reacting halomethylbenzoyl chlorides IIPh-CO-Cl IIwith an alkali metal cyanide or transition metal cyanide, if appropriate in an organic diluent, and novel halomethylbenzoyl cyanides I' ##STR1## (X=halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, CF.sub.3, C.sub.1 -C.sub.5 -alkyl-(C.sub.1 -C.sub.5 -alkyl)hydroxyimino or C.sub.1 -C.sub.5 -alkyl-(C.sub.2 -C.sub.5 -alkenyl)hydroxyimino; m=0 to 4 and Y=chloromethyl or bromomethyl) are described.The halomethylbenzoyl cyanides I are important intermediates for the synthesis of plant protection agents.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: April 23, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Isak, Thomas Wettling, Michael Keil, Bernd Wolf, Reinhard Doetzer
  • Patent number: 5446199
    Abstract: A process for preparing halomethylbenzoyl cyanides IPh-CO-CN I(Ph=phenyl radical substituted by chloromethyl or bromomethyl which, if desired, can additionally carry 1-4 further radicals) by reacting halomethylbenzoyl chlorides IIPh-CO-Cl IIwith an alkali metal cyanide or transition metal cyanide, if appropriate in an organic diluent, and novel halomethylbenzoyl cyanides I' ##STR1## (X=halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, CF.sub.3, C.sub.1 -C.sub.5 -alkyl-(C.sub.1 -C.sub.5 -alkyl)hydroxyimino or C.sub.1 -C.sub.5 -alkyl-(C.sub.2 -C.sub.5 -alkenyl)hydroxyimino; m=0 to 4 and Y=chloromethyl or bromomethyl) are described.The halomethylbenzoyl cyanides I are important intermediates for the synthesis of plant protection agents.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: August 29, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Isak, Thomas Wettling, Michael Keil, Bernd Wolf, Reinhard Doetzer
  • Patent number: 5430172
    Abstract: A process for preparing 4-alkanoylaryl benzyl ethers of the general formula I ##STR1## where R is hydrogen, halogen, cyano; alkyl, alkoxy;X is CH.sub.2, CH--CH.sub.3, CH--CH.sub.2 --CH.sub.3, CH--OCH.sub.3 or N--OCH.sub.3 ;Y is oxygen, sulfur, direct linkage or nitrogen;m is 0, 1, 2 or 3;R.sup.1 is hydrogen; alkyl, alkenyl, alkynyl or alkoxy;R.sup.2 is cyano, halogen, alkyl, alkoxy or haloalkyl;R.sup.3 is alkyl; haloalkyl; cycloalkyl; or an unsubstituted or substituted mono- to trinuclear aromatic system,comprises reacting an aryl benzyl ether of the general formula II ##STR2## where X, Y, R, R.sup.1, R.sup.2 and m have the abovementioned meanings, with a carbonyl halide or with a carboxylic anhydride or with a carboxylic sulfonic anhydride in the presence of an acid and in the presence or absence of a diluent.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: July 4, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Wolfgang Siegel, Klaus Oberdorf, Bernd Mueller, Hubert Sauter, Reinhard Doetzer
  • Patent number: 5389619
    Abstract: Compounds of the formula I ##STR1## where n, W, X, Y, Z, R.sup.1, R.sup.2, and R.sup.3 are as defined herein exhibit fungicidal, insecticidal, and acaracidal activity.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: February 14, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Doetzer, Hubert Sauter, Horst Wingert, Reinhard Kirstgen, Albrecht Harreus, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5371268
    Abstract: Ortho-substituted benzyl esters of cyclopropanecarboxylic acids I ##STR1## where X is N or CH and A is one of the following cyclopropane radicals: ##STR2## where R.sup.1 is CN, C.sub.2 -C.sub.8 -alkyl, CF.sub.3, C.sub.3 -C.sub.8 -alkenyl, (C.sub.1 -C.sub.4 -alkoxycarbonyl, unsubstituted or substituted phenyl-C.sub.1 -C.sub.6 -alkyl or phenyl-C.sub.3 -C.sub.6 -alkenyl, ethoxyphenyl, 2- or 3-bromophenyl, 2- or 4-trifluoromethylphenyl, 2,4- or 2,6-difluorophenyl, 2-fluoro-6-chlorophenyl, 2,4- or 2,6-dimethylphenyl, 2,3,6-trichlorophenyl or trimethylsilyl, R.sup.2 is H or halogen, R.sup.3 is unsubstituted or substituted phenyl, R.sup.4 is CH.sub.3 or halogen and Hal is halogen, with the proviso that X is CH when R.sup.1 is CF.sub.3 or trimethylsilyl, are suitable as fungicides and for controlling pests.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: December 6, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hubert Sauter, Norbert Goetz, Jochen Wild, Hans-Josef Wolf, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann, Christoph Kuenast, Uwe Kardorff
  • Patent number: 5254717
    Abstract: Compound of the formula I ##STR1## where R is hydrogen or alkyl,R.sup.1 is hydrogen, alkyl, haloalkyl or aryl,Z.sup.1 and Z.sup.2 are hydrogen, halogen, alkoxy, alkenyloxy, cyano, nitro, haloalkyl, haloalkenyloxy, alkenyl, haloalkoxy, alkyl or alkynyl,Y is O or NR.sup.3, where R.sup.3 is hydrogen or alkyl,R.sup.2 is H, alkyl, cycloalkyl, alkenyl, aryl, alkynyl, cycloalkenyl, arylalkyl, aryloxyalkyl, hetaryl, hetarylalkyl, hetaryloxyalkyl, acyl, arylalkenyl, hetarylalkenyl, heterocyclyl, arylcarbonyl, hetarylcarbonyl or alkoxycarbonylalkyl,Y and R.sup.2 may form a ring, andX is CH.sub.2, CH-alkyl, CH-alkoxy, CH-alkylthio, N-alkoxy or NOH,and fungicides containing these compounds.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: October 19, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Albrecht Harreus, Hubert Sauter, Beate Hellendahl, Reinhard Doetzer, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5147892
    Abstract: Benzyl ketones of the formula ##STR1## where X is CH or N,Y is O or NR.sup.4,R.sup.1, R.sup.2 are H or alkyl,R.sup.3 is halogen, cyano, nitro, alkyl, cycloalkyl, alkoxy, haloalkyl, arylalkyl, arylalkoxy, aryloxy or aryl, and the aryl groups in turn may be substituted,R.sup.4 is OH, alkoxy or arylalkoxy andR.sup.5 is H, methyl, halogen or methoxy,and fungicides containing these compounds.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: September 15, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann