Plural Ring Oxygens In The Hetero Ring Patents (Class 504/293)
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Publication number: 20150099636Abstract: The present invention provides diacylhydrazine ligands and chiral diacylhydrazine ligands for use with ecdysone receptor-based inducible gene expression systems. Thus, the present invention is useful for applications such as gene therapy, large scale production of proteins and antibodies, cell-based screening assays, functional genomics, proteomics, metabolomics, and regulation of traits in transgenic organisms, where control of gene expression levels is desirable. An advantage of the present invention is that it provides a means to regulate gene expression and to tailor expression levels to suit the user's requirements.Type: ApplicationFiled: October 9, 2014Publication date: April 9, 2015Inventors: Robert Eugene HORMANN, Bing Li
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Publication number: 20140235446Abstract: The compounds of the formula (I) in which L represents a radical of the formula and A1, B1 and A2 and B2 are as defined in Claim 1, are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the process of Claim 12.Type: ApplicationFiled: July 11, 2012Publication date: August 21, 2014Applicant: BAYER INTELLECTUAL PROPERTY GMBHInventors: Marc Mosrin, Harald Jakobi, Alfred Angermann, Elmar Gatzweiler, Isolde Häuser-Hahn, Ines Heinemann, Christopher Hugh Rosinger, Stefan Lehr, Stefan Schnatterer
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Patent number: 8735322Abstract: Cyclohexanedione compounds, which are suitable for use as herbicides.Type: GrantFiled: September 23, 2009Date of Patent: May 27, 2014Assignee: Syngenta LimitedInventors: Christopher John Mathews, John Martin Clough, Kevin Beautement, Melloney Tyte, Louisa Robinson, Stephane AndréMarie Jeanmart
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Publication number: 20140051577Abstract: The invention relates to substituted 5-(bicyclo[4.1.0]hept-3-en-2-yl)penta-2,4-dienes and 5-(bicyclo[4.1.0]hept-3-en-2-yl)pent-2-ene-4-ines of the formula (I) and salts thereof, where the radicals R1, R2, R3, R4, R5, [X—Y] and Q are each as defined in the description, to processes for preparation thereof and to the use thereof for enhancing stress tolerance in plants with respect to abiotic stress, and/or for increasing plant yield.Type: ApplicationFiled: March 28, 2012Publication date: February 20, 2014Inventors: Jens Frackenpohl, Thomas Müller, Ines Heinemann, Pascal Von Koskull-Döring, Christopher Hugh Rosinger, Isolde Häuser-Hahn, Martin Jeffrey Hills
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Publication number: 20130316906Abstract: The invention relates to novel compounds of the formula (I) in which R1, R2, R3, R4, R5, Y, Q and G have the meanings given above, to a plurality of processes and intermediates for their preparation and to their use as herbicides and/or pesticides. Moreover, the invention relates to selective herbicidal compositions comprising, firstly, the phenyl-substituted bicyclooctane-1,3-dione derivates and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to increasing the activity of crop protection compositions comprising in particular phenyl-substituted bicyclooctane-1,3-dione derivates by adding ammonium salts or phosphonium salts and, if appropriate, penetrants, to the corresponding compositions, to processes for their preparation and to their use in crop protection as pesticides and/or for preventing unwanted plant growth.Type: ApplicationFiled: October 28, 2011Publication date: November 28, 2013Applicant: BAYER INTELLECTUAL PROPERTY GMBHInventors: Alfred Angermann, Stefan Lehr, Guido Bojack, Reiner Fischer, Isolde Häuser-hahn, Ines Heinemann, Elmar Gatzweiler, Christopher Hugh Rosinger, Arnd Voerste, Dieter Feucht
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Patent number: 8536351Abstract: Cyclohexanedione compounds of Formula (I) wherein R1 is methyl, ethyl, n-propyl, iso-propyl, cyclopropyl, halomethyl, haloethyl, halogen, vinyl, ethynyl, methoxy, ethoxy, halomethoxy or haloethoxy, R2 and R3 are, independently hydrogen, halogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, C2-C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, C3-C6alkenyloxy, C3-C6haloalkenyloxy, C3-C6alkynyloxy, C3-C6cycloalkyl, C1-C6alkylthio, C1-C6alkylsulfinyl, C1-C6alkylsulfonyl, C1-C6alkylsulfonyloxy, C1-C6haloalkylsulfonyloxy, cyano, nitro, phenyl, phenyl substituted by C1-C4alkyl, C1-C3Cahaloalkyl, C1-C3alkoxy, C1-C3haloalkoxy, cyano, nitro, halogen, C1-C3alkylthio, C1-C3alkylsulfinyl or C1-C3alkylsulfonyl, or heteroaryl or heteroaryl substituted by C1-C3Calkyl, d.Type: GrantFiled: March 7, 2008Date of Patent: September 17, 2013Assignee: Syngenta Crop Protection LLCInventors: Christopher John Mathews, John Finney, Louisa Robinson, Melloney Tyte, Michel Muehlebach, Jean Wenger
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Publication number: 20120316066Abstract: The present invention provides diacylhydrazine ligands and chiral diacylhydrazine ligands for use with ecdysone receptor-based inducible gene expression systems. Thus, the present invention is useful for applications such as gene therapy, large scale production of proteins and antibodies, cell-based screening assays, functional genomics, proteomics, metabolomics, and regulation of traits in transgenic organisms, where control of gene expression levels is desirable. An advantage of the present invention is that it provides a means to regulate gene expression and to tailor expression levels to suit the user's requirements.Type: ApplicationFiled: December 2, 2011Publication date: December 13, 2012Applicant: Intrexon CorporationInventors: Robert Eugene HORMANN, Bing Li
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Publication number: 20120035053Abstract: Cyclohexanedione compounds, which are suitable for use as herbicides.Type: ApplicationFiled: September 23, 2009Publication date: February 9, 2012Applicant: SYNGENTA CROP PROTECTION LLCInventors: Christopher John Mathews, John Martin Clough, Kevin Beautement, Melloney Tyte, Louisa Robinson, Stephane André Marie Jeanmart
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Publication number: 20110263428Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.Type: ApplicationFiled: July 1, 2009Publication date: October 27, 2011Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Stephane Andre Marie Jeanmart, Russell Colin Viner, John Benjamin Taylor, William Guy Whittingham, Jeffrey Steven Wailes, Sarah Margaret Targett, Christopher John Mathews, Mangala Govenkar, Matthew Robert Cordingley, Claire Janet Russell, Melloney Tyte
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Publication number: 20110190137Abstract: The present invention generally relates to methods of inhibiting ethylene responses in plants and plant materials, and particularly relates to methods of inhibiting various ethylene responses including plant maturation and degradation, by exposing plants to cyclopropene derivatives and compositions thereof wherein: 1) at least one substituent on the cyclopropene ring contains a carbocyclic or heterocyclic ring, or 2) a substituent contains silicon, sulfur, phosphorous, or boron, or 3) least one substituent contains from one to four non-hydrogen atoms and at least one substituent contains more than four non-hydrogen atoms.Type: ApplicationFiled: April 8, 2011Publication date: August 4, 2011Inventors: Richard Martin Jacobson, Martha Jean Kelly, Fiona Linette Wehmeyer, Karen Anderson Evans
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Publication number: 20080318779Abstract: Conventional many fungicidal compositions have had practical problems such that either a preventive effect or a curing effect is inadequate, the residual effect tends to be inadequate, or the controlling effect against plant diseases tends to be inadequate depending upon the application site, and a fungicidal composition to overcome such problems has been desired.Type: ApplicationFiled: August 10, 2005Publication date: December 25, 2008Applicant: ISHIHARA SANGYO KAISHA LTDInventors: Yuji Nakamura, Shigeru Mitani, Tetsuo Yoneda
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Patent number: 6576596Abstract: The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula I where R1, R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR5, —OCOR6, —OSO2R6, —SH, —S(O)nR7, —SO2OR5, —SO2NR5R8, —NR8SO2R6 or —NR8COR6; R3 is hydrogen, cyano, alkyl, haloalkyl, —OR7, —SR7 or —NR7R10; R4 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, —COR9, —CO2R9, —COSR9 or —CONR8R9; X is oxygen or NR8; n is 0, 1 or 2; R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R6 is alkyl or haloalkyl; R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R8 is hydrogen or alkyl; R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl; R10 is alkyl, haloalkyl, alkenyl or alkynyl; Q is a cyclohexane-1,3-dione ring with or without substitution attached in position 2; and agriculturally useful salts thereoType: GrantFiled: June 23, 1999Date of Patent: June 10, 2003Assignee: BASF AktiengesellschaftInventors: Regina Luise Hill, Uwe Kardorff, Michael Rack, Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Guido Mayer, Martina Otten, Joachim Rheinheimer, Matthias Witschel, Ulf Misslitz, Helmut Walter, Karl-Otto Westphalen
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Patent number: 6310245Abstract: The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula I where R1, R2 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR5, —OCOR6, —OSO2R6, —SH, —S(O)nR7, —SO2OR5, —SO2NR5R8, —NR8SO2R6 or —NR8COR6; R3 is hydrogen, alkyl, haloalkyl, alkenyl or alkynyl; R4 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, —COR9, —CO2R9, —COSR9 or —CONR8R9; X is oxygen or sulfur; Z is oxygen or NR8; m is 0 or 1; n is 0, 1 or 2; R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R6 is alkyl or haloalkyl; R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R8 is hydrogen or alkyl; R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl; R10 is alkyl, haloalkyl, alkenyl or alkynyl; Q is an unsubstituted or substituted cyclohexane-1,3-dione ring which is linked in the 2-position; where m is 1 if R3 isType: GrantFiled: June 23, 1999Date of Patent: October 30, 2001Assignee: BASF AktiengesellschaftInventors: Uwe Kardorff, Regina Luise Hill, Michael Rack, Wolfgang von Deyn, Stefan Engel, Martina Otten, Matthias Witschel, Ernst Baumann, Joachim Rheinheimer, Guido Mayer, Ulf Misslitz, Karl-Otto Westphalen, Helmut Walter
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Patent number: 6160024Abstract: Disclosed herein are compounds, compositions, and methods to inactivate a virus and destroy tumor cells. The methods involve the addition into the cell of a compound containing a photosensitizing chemical and an energy donating chemical, optionally linked by a chemical tether. Also introduced into the cell are means to chemically activate the energy donating chemical which photoactivates the photosensitizing chemical which then destroys the tumor or virus. The photosensitizing chemical is preferably hypericin, porphyrin, or an analog and the energy donating chemical is preferably luciferin or an analog. Methods for synthesizing the chemicals are also disclosed. Further, the energy donating chemical is activated by an activating chemical. The expression of the activating chemical is regulated so as to target the virus-infected or tumor cells.Type: GrantFiled: October 22, 1998Date of Patent: December 12, 2000Assignee: Iowa State University Research Foundation, Inc.Inventors: George A. Kraus, Susan L. Carpenter, Jacob W. Petrich
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Patent number: 6071861Abstract: The dihalopropene compounds of the general formula [I ] have excellent insecticidal/acaricidal activity, so that they are satisfactorily effective for the control of noxious insects, mites and ticks.Type: GrantFiled: December 2, 1998Date of Patent: June 6, 2000Assignee: Sumitomo Chemical Company, Inc.Inventors: Noriyasu Sakamoto, Sanshiro Matsuo, Masaya Suzuki, Taro Hirose, Kazunori Tsushima, Kimitoshi Umeda
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Patent number: 6040274Abstract: 2- Aroylcyclohexanediones I ##STR1## where X, Y=O or S;Ar=phenyl or heteroaryl in each case having 1-4 substituents: halogen, cyano, nitro, --N.dbd.N--Ph, C.sub.1 -C.sub.4 -alkoxycarbonyl, --N(R.sup.9)--COR.sup.10, --N(R.sup.9)--SO.sub.2 --R.sup.11, --SO.sub.2 --N(R.sup.9)R.sup.10, --S(O).sub.m --R.sup.8 or opt. subst. C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy;two adjacent C atoms of the phenyl or heteroaryl ring can also be bridged by means of a chain --C(R.sup.12).dbd.C(R.sup.13)--C(R.sup.14).dbd.C(R.sup.15)--, --Z.sup.1 --C(R.sup.12).dbd.N--, --Z.sup.1 --N.dbd.C(R.sup.12)--, --Z.sub.1 --C(R.sup.12).dbd.C(R.sup.13)--, --Z.sup.1 --C(R.sup.12).dbd.C(R.sup.13)--C(R.sup.14,R.sup.15)--, --Z.sup.1 --C (R.sup.12,R.sup.13)--C(R.sup.14,R.sup.15)--, --Z.sup.1 --C(R.sup.12,R.sup.13)--C(R.sup.14 R.sup.15)--Z.sup.2 --, --C(R.sup.12,R.sup.13)--Z.sup.1 --C(R.sup.14,R.sup.15)--C(R.sup.16,R.sup.17)--, --Z.sup.1 --N(R.sup.20)--Z.sup.2 --, --Z.sup.1 --Z.sup.Type: GrantFiled: March 18, 1997Date of Patent: March 21, 2000Assignee: BASF AktiengesellschaftInventors: Jurgen Kast, Marcus Vossen, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff, Martina Otten, Peter Plath, Helmut Walter, Karl-Otto Westphalen, Ulf Misslitz
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Patent number: 5801123Abstract: The present invention relates to a plant growth regulator comprising as an active ingredient an epoxycyclohexane derivative represented by general formula (1): ##STR1## wherein R.sup.1 is a hydrogen atom, a C.sub.1 -C.sub.6, alkyl group or C.sub.3 -C.sub.6 cycloalkyl group, and R.sup.2 and R.sup.3 are independently C.sub.1 -C.sub.6 alkyl groups or are combined to form a C.sub.2 -C.sub.3 polymethylene group which may be substituted with a C.sub.1 -C.sub.6, alkyl group, as well as to a plant growth regulator comprising the epoxycyclohexane derivative and a brassinosteroid as active ingredients. The epoxycyclohexane derivatives exhibit a potent plant growth regulating action which is equivalent to or higher than that of abscisic acid, and are useful as plant growth regulators such as a plant growth accelerator, a germination growth accelerator, a transpiration and wilting inhibitor, a cold resistance enhancer, an accelerator for growing, thickening or maturing fruits, roots, stems or bulbs, etc..Type: GrantFiled: March 13, 1997Date of Patent: September 1, 1998Assignees: Sagami Chemical Research Center, Tama Biochemical Co. Ltd., Bal Planning Co., Ltd.Inventors: Kunikazu Sakai, Yasuo Kamuro, Suguru Takatsuto, Tsuyoshi Watanabe, Hiroki Kuriyama
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Patent number: 5618775Abstract: Mixtures of optically active cyclohexenone oxime ethers having R- and S-configuration in the oxime ether moiety of the formula I ##STR1## (R.sup.1 =C.sub.1 -C.sub.6 -alkyl; ##STR2## X=C.sub.1-C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl; m=0-3 or 1-4 where all X's are halogen;n=0-3 or 1-5 where all X's are halogen;R.sup.2 =C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.6 -alkyl, substituted or unsubstituted C.sub.3 -C.sub.7 -cycloalkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkenyl, substituted or unsubstituted 5-membered saturated heterocyclic structure, substituted or unsubstituted 6- or 7-membered heterocyclic structure, substituted or unsubstituted 5-membered heteroaromatic structure, substituted or unsubstituted phenyl or pyridyl)and their agriculturally useful salts and esters with C.sub.1 -C.sub.10 -carboxylic acids and inorganic acids.Type: GrantFiled: August 11, 1994Date of Patent: April 8, 1997Assignee: BASF AktiengesellschaftInventors: Ulf Misslitz, Norbert Meyer, Juergen Kast, Wolfgang Ladner, Helmut Walter, Karl-Otto Westphalen, Uwe Kardorff, Matthias Gerber
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Patent number: 5574000Abstract: Cyclohexenone oxime ethers of the general formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.6 -alkyl, A is substituted or unsubstituted C.sub.4 -alkylene or C.sub.4 -alkenylene,X is nitro, cyano, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl and/or phenyl,n is from 0 to 3 or from 1 to 5 when X is halogen,R.sup.2 is C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.4 -alkythio-C.sub.1 -C.sub.6 -alkyl, substituted or unsubstituted C.sub.3 -C.sub.7 -cycloalkyl or C.sub.5 -C.sub.Type: GrantFiled: November 17, 1994Date of Patent: November 12, 1996Assignee: BASF AktiengesellschaftInventors: Juergen Kast, Dieter Kolassa, Norbert Meyer, Ulrich Schirmer, Albrecht Harreus, Jochen Wild, Karl-Otto Westphalen, Bruno Wuerzer
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Patent number: 5569640Abstract: Cyclic acetals of the formula I ##STR1## where the substituents have the following meanings: R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl or phenyl; additionally R.sup.1 and R.sup.2 together are an unsubstituted or substituted C.sub.2 -C.sub.6 -alkylene chain;Y is oxygen or sulfur;A has the meaning as given in claim 1;a process for preparing the acetals I and their use for the production of crop protection compositions are described.Type: GrantFiled: November 1, 1994Date of Patent: October 29, 1996Inventors: Joachim Rheinheimer, Uwe J. Vogelbacher, Ernst Baumann, Hartmann Konig, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter
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Patent number: 5554582Abstract: Cyclohexenone compounds of the formula ##STR1## where R.sup.1 is alkyl of 1 to 4 carbon atoms, alkenyl or alkynyl of 3 or 4 carbon atoms, haloalkenyl of 3 or 4 carbon atoms and 1 to 3 halogen substituents, or is thenyl which is unsubstituted or substituted by halo and/or alkyl, R.sup.2 is alkyl of 1 to 4 carbon atoms, and R.sup.3 is formyl, a radical of the general formula R.sup.4 XCHXR.sup.5, where X is oxygen or sulfur, and R.sup.4 and R.sup.5 are identical or different alkyl, or together denote alkylene of 1 to 4 carbon atoms and which is unsubstituted or substituted by alkyl, alkoxy, alkylthio, hydroxy, halogen, cyano or N,N-dialkylamino, have a good herbicidal action preferably on species from the grass family.Type: GrantFiled: November 30, 1992Date of Patent: September 10, 1996Assignee: BASF AktiengesellschaftInventors: Michael Keil, Ulrich Schirmer, Dieter Kolassa, Juergen Kast, Bruno Wuerzer, Norbert Meyer
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Patent number: 5516918Abstract: There is provided a method for safening herbicides in crop plants by using substituted benzopyran or tetrahydronaphthalene compounds of formula I ##STR1## Further provided are compounds of formula II and compositions comprising a herbicide and an antidotally effective amount of a substituted benzopyran or tetrahydronaphthalene compound of formula I.Type: GrantFiled: January 31, 1995Date of Patent: May 14, 1996Assignee: American Cyanamid CompanyInventors: Gail E. Cary, Nina R. Quinn
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Patent number: 5420318Abstract: A new process has been developed for preparing high purity neem seed extract by adsorbing aqueous solutions of neem seed extract containing azadirachtin onto a macroporous polymeric adsorbent followed by desorption using a solvent. The resulting extract, optionally formulated, is a useful insecticide for the control of foliar pests.Type: GrantFiled: July 27, 1992Date of Patent: May 30, 1995Assignee: Rohm and Haas CompanyInventors: Zev Lidert, Craig G. Overberger, deceased, James S. Clovis
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Patent number: 5407902Abstract: A methoxyiminoacetic acid derivative represented by the following formula (I): ##STR1## wherein X represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; A represents a methoxy group or a methylamino group; when A is a methoxy group, B represents --O--CO-- or --N=C(R.sup.1)-- and when A is a methylamino group, B represents --O--CR.sup.1 R.sup.2 --, wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms or a trifluoromethyl group; and Ar represents an optionally substituted aryl group or an optionally substituted heteroaryl group, and an agricultural/horticultural fungicide containing the same as an active ingredient.Type: GrantFiled: October 1, 1993Date of Patent: April 18, 1995Assignee: Mitsubishi Kasei CorporationInventors: Masatsugu Oda, Manabu Katsurada, Hirofumi Tomita
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Patent number: 5304530Abstract: The invention provides compounds of formula I ##STR1## wherein W, D, R.sup.1, R.sup.2, R.sup.3, X, m, n and p are as defined in the description. The compound have valuable pesticidal activity especially against fungi, insects, nematodes, acarids and weeds.Type: GrantFiled: January 19, 1993Date of Patent: April 19, 1994Assignee: Schering Agrochemicals LimitedInventors: Geoffrey R. Cliff, Ian C. Richards
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Patent number: 5250505Abstract: Cyclohexenone oxime ethers I ##STR1## where R.sup.1 is C.sub.1 -C.sub.6 -alkyl, A is unsubstituted or substituted C.sub.3 -C.sub.6 -alkynylene, Z is unsubstituted or substituted phenyl an unsubstituted or substituted 6-membered or 7-membered saturated or monounsaturated or diunsaturated heterocyclic structure having one or two hetero atoms selected from the group consisting of oxygen and sulfer, and their agriculturally useful salts and esters of C.sub.1 -C.sub.10 -carboxylic acids and inorganic acids, are suitable as herbicides.Type: GrantFiled: May 8, 1991Date of Patent: October 5, 1993Assignee: BASF AktiengesellschaftInventors: Juergen Kast, Norbert Meyer, Ulf Misslitz, Albrecht Harreus, Thomas Kuekenhoehner, Harald Bang, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter
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Patent number: 5213606Abstract: 4-Carboxy-2-aryloxyphenoxyalkyl substituted heterocycle compounds which are effective for the selective control of grass weed species in the presence of crops are described. Also described are a method for the selective herbicidal use of the compounds and methods for their preparation.Type: GrantFiled: November 27, 1991Date of Patent: May 25, 1993Assignee: American Cyanamid CompanyInventors: Robert L. Arotin, Michael A. Guaciaro
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Patent number: 5207817Abstract: Herbicidal 5H-furan-2-one derivatives of the formula ##STR1## in which X represents the radical OR.sup.1 or the radical ##STR2## q represents the number 0 or 1, R.sup.2 is optionally substituted aryl, andR.sup.3 and R.sup.6 are hydrogen or various organic radicals,with certain provisos and exceptions.Type: GrantFiled: October 17, 1991Date of Patent: May 4, 1993Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Gerd Kleefeld, Jurgen Bachmann, Peter Babczinski, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt