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).
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Patent number: 6605631Abstract: 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: GrantFiled: September 30, 1999Date of Patent: August 12, 2003Assignee: BASF AktiengesellschaftInventors: Reinhard Kirstgen, Wassilios Grammenos, Herbert Bayer, Reinhard Doetzer, Hartmann Koenig, Klaus Oberdorf, Hubert Sauter, Horst Wingert, Gisela Lorenz, Eberhard Ammermann, Volker Harries
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Patent number: 6288009Abstract: 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: GrantFiled: April 10, 1998Date of Patent: September 11, 2001Assignees: BASF Corporation, BASF AktiengesellschaftInventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
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Patent number: 6252083Abstract: 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, alkeType: GrantFiled: March 16, 2000Date of Patent: June 26, 2001Assignee: BASF AktiengesellschaftInventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
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Patent number: 6248694Abstract: 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: GrantFiled: September 22, 1999Date of Patent: June 19, 2001Assignees: BASF Aktiengesellschaft, BASF CorporationInventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
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Patent number: 6224734Abstract: 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: GrantFiled: September 22, 1999Date of Patent: May 1, 2001Assignees: BASF Aktiengesellschaft, BASF CorporationInventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer
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Patent number: 6075148Abstract: 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: GrantFiled: March 25, 1999Date of Patent: June 13, 2000Assignee: BASF AktiengesellschaftInventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
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Patent number: 6031110Abstract: 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: GrantFiled: August 21, 1995Date of Patent: February 29, 2000Assignee: BASF AktiengesellschaftInventors: Reinhard Kirstgen, Wassilios Grammenos, Herbert Bayer, Reinhard Doetzer, Hartmann Koenig, Klaus Oberdorf, Hubert Sauter, Horst Wingert, Gisela Lorenz, Eberhard Ammermann, Volker Harries
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Patent number: 5981532Abstract: 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: GrantFiled: July 7, 1998Date of Patent: November 9, 1999Assignee: BASF AktiengesellschaftInventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5824705Abstract: 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: GrantFiled: July 29, 1994Date of Patent: October 20, 1998Assignee: BASF AktiengesellschaftInventors: Bernd Mueller, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5633268Abstract: Compounds of the formula I ##STR1## where the index and the substituents have the following meanings as defined in the specification.Type: GrantFiled: May 12, 1995Date of Patent: May 27, 1997Assignee: BASF AktiengesellschaftInventors: Reinhard Kirstgen, Hans Theobald, Klaus Oberdorf, Reinhard Doetzer, Ralf Klintz, Bernd Schaefer, Volker Harries, Uwe Kardorff, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5543433Abstract: 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: GrantFiled: June 3, 1994Date of Patent: August 6, 1996Assignee: BASF AktiengesellschaftInventors: Reinhard Doetzer, Hubert Sauter, Herbert Bayer, Franz Roehl, Gisela Lorenz, Eberhard Ammermann, Horst Wingert
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Patent number: 5510528Abstract: 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: GrantFiled: March 17, 1995Date of Patent: April 23, 1996Assignee: BASF AktiengesellschaftInventors: Heinz Isak, Thomas Wettling, Michael Keil, Bernd Wolf, Reinhard Doetzer
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Patent number: 5446199Abstract: 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: GrantFiled: March 23, 1994Date of Patent: August 29, 1995Assignee: BASF AktiengesellschaftInventors: Heinz Isak, Thomas Wettling, Michael Keil, Bernd Wolf, Reinhard Doetzer
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Patent number: 5430172Abstract: 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: GrantFiled: April 15, 1994Date of Patent: July 4, 1995Assignee: BASF AktiengesellschaftInventors: Wassilios Grammenos, Wolfgang Siegel, Klaus Oberdorf, Bernd Mueller, Hubert Sauter, Reinhard Doetzer
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Patent number: 5389619Abstract: 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: GrantFiled: March 29, 1993Date of Patent: February 14, 1995Assignee: BASF AktiengesellschaftInventors: Reinhard Doetzer, Hubert Sauter, Horst Wingert, Reinhard Kirstgen, Albrecht Harreus, Gisela Lorenz, Eberhard Ammermann
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Patent number: 5371268Abstract: 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: GrantFiled: March 14, 1994Date of Patent: December 6, 1994Assignee: BASF AktiengesellschaftInventors: Franz Schuetz, Hubert Sauter, Norbert Goetz, Jochen Wild, Hans-Josef Wolf, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann, Christoph Kuenast, Uwe Kardorff
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Patent number: 5254717Abstract: 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: GrantFiled: January 24, 1992Date of Patent: October 19, 1993Assignee: BASF AktiengesellschaftInventors: Wassilios Grammenos, Albrecht Harreus, Hubert Sauter, Beate Hellendahl, Reinhard Doetzer, Eberhard Ammermann, Gisela Lorenz
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Patent number: 5147892Abstract: 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: GrantFiled: June 27, 1991Date of Patent: September 15, 1992Assignee: BASF AktiengesellschaftInventors: Horst Wingert, Hubert Sauter, Franz Roehl, Reinhard Doetzer, Gisela Lorenz, Eberhard Ammermann