Patents by Inventor Mark A. Dekeyser
Mark A. Dekeyser 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: 7592374Abstract: A composition of matter is disclosed that comprises a compound of the formula: wherein R1 is selected from the group consisting of unsubstituted and substituted biphenyl moieties, unsubstituted and substituted fluorenyl moieties, unsubstituted and substituted carbazolyl moieties, and unsubstituted and substituted pyridyl moieties; and R2 is hydrogen or alkyl. The compositions are useful as insecticides, acaricides, and fungicides.Type: GrantFiled: March 3, 2005Date of Patent: September 22, 2009Assignee: Crompton CorporationInventors: Mark A. Dekeyser, Sheldon B. Park, Paul T. McDonald
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Patent number: 7572753Abstract: The use of certain tetrazole compounds as fungicides is disclosed wherein said compounds are of the structural formula: wherein: R is selected from the group consisting of phenyl groups of the structural formula: and thienyl groups of the structural formula: and X and Y are each selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro. Novel compounds wherein X is selected from the group consisting of haloalkyl, halogen, and nitro and Y is selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro are also disclosed.Type: GrantFiled: September 15, 2005Date of Patent: August 11, 2009Assignee: Chemtura CorporationInventors: Mark A. Dekeyser, Ahmad Ghavami, Robert G. Davis, Sheldon B. Park, Steven J. Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
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Patent number: 7511029Abstract: Pesticidal compounds having the structural formula wherein: R2 is C1-C6 branched or straight chain alkyl; C1-C4 branched or straight-chain haloalkyl; or C3-C6 cycloalkyl; m is 0, 1, or 2; X is selected from the group consisting of: C1-C6 branched or straight-chain alkoxy; halogen; C1-C6 branched or straight-chain alkyl; or C1-C6 branched or straight-chain alkylthio; n is 0 or 1; A is O; CH2; or NR?, wherein R? is (C1-C6 alkyl)carbonyl; Y is phenyl; benzyl; thiazolyl; thienyl; pyridyl; or tetrahydrofuranyl, the aromatic ring of each substituent being optionally substituted with one or more of halogen, C1-C6 branched or straight-chain alkyl, or C1-C6 branched or straight-chain haloalkyl; use of the compounds as pesticides and pesticidal compositions comprising the compounds.Type: GrantFiled: February 20, 2008Date of Patent: March 31, 2009Assignee: Chemtura CorporationInventors: Mark A. Dekeyser, Paul T. McDonald
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Publication number: 20080287535Abstract: Pesticidal compounds having the structural formula wherein: R2 is C1-C6 branched or straight chain alkyl; C1-C4 branched or straight-chain haloalkyl; or C3-C6 cycloalkyl; m is 0, 1, or 2; X is selected from the group consisting of: C1-C6 branched or straight-chain alkoxy; halogen; C1-C6 branched or straight-chain alkyl; or C1-C6 branched or straight-chain alkylthio; n is 0 or 1; A is 0; CH2; or NR?, wherein R? is (C1-C6 alkyl)carbonyl; Y is phenyl; benzyl; thiazolyl; thienyl; pyridyl; or tetrahydrofuranyl, the aromatic ring of each substituent being optionally substituted with one or more of halogen, C1-C6 branched or straight-chain alkyl, or C1-C6 branched or straight-chain haloalkyl; use of the compounds as pesticides and pesticidal compositions comprising the compounds.Type: ApplicationFiled: February 20, 2008Publication date: November 20, 2008Inventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 7446119Abstract: A miticidal triazolidine derivative of the formula wherein R is C1-C6 alkyl, C3-C6 cycloalkyl, or C1-C6 haloalkyl; R1 is hydrogen, C1-C6 alkoxy, halogen, phenyl or C1-C6 alkyl; R2 is hydrogen, phenyl, thienyl, pyridyl, or thiazolyl, unsubstituted or substituted by one or more substituents selected from C1-C4 alkoxy, C1-C4 alkyl, halogen, and C1-C4 haloalkyl; and R3 is C1-C6 alkyl or benzyl, wherein the alkyl groups can be linear or branched.Type: GrantFiled: March 28, 2005Date of Patent: November 4, 2008Assignee: Crompton CorporationInventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 7399757Abstract: Pesticidal compounds having the structural formula wherein R1 and R2 are each, independently, C1-6 alkyl, compositions comprising the compounds and methods for their use as pesticides.Type: GrantFiled: May 16, 2007Date of Patent: July 15, 2008Assignee: Chemtura CorporationInventors: Mark A. Dekeyser, Paul T. McDonald
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Publication number: 20070060631Abstract: The use of certain tetrazole compounds as fungicides is disclosed wherein said compounds are of the structural formula: wherein: R is selected from the group consisting of phenyl groups of the structural formula: and thienyl groups of the structural formula: and X and Y are each selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro. Novel compounds wherein X is selected from the group consisting of haloalkyl, halogen, and nitro and Y is selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro are also disclosed.Type: ApplicationFiled: September 15, 2005Publication date: March 15, 2007Inventors: Mark Dekeyser, Ahmad Ghavami, Robert Davis, Sheldon Park, Steven Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
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Publication number: 20060217559Abstract: A miticidal triazolidine derivative of the formula wherein R is C1-C6 alkyl, C3-C6 cycloalkyl, or C1-C6 haloalkyl; R1 is hydrogen, C1-C6 alkoxy, halogen, phenyl or C1-C6 alkyl; R2 is hydrogen, phenyl, thienyl, pyridyl, or thiazolyl, unsubstituted or substituted by one or more substituents selected from C1-C4 alkoxy, C1-C4 alkyl, halogen, and C1-C4 haloalkyl; and R3 is C1-C6 alkyl or benzyl, wherein the alkyl groups can be linear or branched.Type: ApplicationFiled: March 28, 2005Publication date: September 28, 2006Inventors: Mark Dekeyser, Paul McDonald
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Publication number: 20060199850Abstract: A composition of matter is disclosed that comprises a compound of the formula: wherein R1 is selected from the group consisting of unsubstituted and substituted biphenyl moieties, unsubstituted and substituted fluorenyl moieties, unsubstituted and substituted carbazolyl moieties, and unsubstituted and substituted pyridyl moieties; and R2 is hydrogen or alkyl. The compositions are useful as insecticides, acaricides, and fungicides.Type: ApplicationFiled: March 3, 2005Publication date: September 7, 2006Inventors: Mark Dekeyser, Sheldon Park, Paul McDonald
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Patent number: 7045512Abstract: A fungicidally active compound of the formula: a) wherein Q is —NY—NH—, —N?N—, or X is oxygen, sulfur, sulfoxide, or sulfone; n is 0 or 1; Y is hydrogen, C1–C4 alkanoyl, C1–C4 haloalkanoyl, C1–C6 straight chain or branched alkoxycarbonyl, C1–C4 alkoxy(C1–C4)alkoxycarbonyl, C1–C4 alkyl, or C1–C4 haloalkyl; R1 is C1–C6 alkoxy, C3–C6 branched alkoxy, C3–C6 cycloalkoxy, phenoxy, benzyloxy, C2–C6 alkenyloxy, C2–C6 alkynyloxy, C1–C6 haloalkoxy, silyloxy, (C1–C6 alkoxy)-carbonylmethoxy, C1–C6 thioalkoxy, C1–C6 alkylamino, C1–C6 alkyl, C3–C6 branched alkyl, (C1–C6 alkoxy) C1–C6 alkoxy, or (C1–C6 alkoxy)carbonyl; R2 and R3 are each, independently, hydrogen, halogen, C1–C6 alkyl, C3–C6 branched alkyl, C1–C6 haloalkyl, C1–C6 alkoxy, C1–C6 haloalkoxy, cyano, or (C1–C6 alkoxy)carbonyl; R4 is C1–C6 alkyl; and Z1 and Z2 are each independently, carbon or nitrogen, with the proviso that when Z1 is carbon, X is oxygen, and R2 is hydrogen, then R3 cannot be hydrogen; b) wherein R5 is C1–C6 alkoxy; and R6 andType: GrantFiled: May 27, 2004Date of Patent: May 16, 2006Assignees: Uniroyal Chemical Company, Inc., Crompton Co./CiieInventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Jr., Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
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Publication number: 20040266738Abstract: A fungicidally active compound of the formula:Type: ApplicationFiled: May 27, 2004Publication date: December 30, 2004Inventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
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Publication number: 20040157892Abstract: Disclosed herein are fluoroethyl pyrazole compounds of the formula: 1Type: ApplicationFiled: February 12, 2003Publication date: August 12, 2004Applicants: CROMPTON CO./Cie, UNIROYAL CHEMICAL CO., INC.Inventors: Sheldon B. Park, Mark A. Dekeyser, Paul T. McDonald
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Patent number: 6706895Abstract: Disclosed herein is a compound having the formula: wherein R1 is alkyl and R2 and R3 are independently selected aryl groups. Also disclosed is a method of making bifenazate using the compound as an intermediate.Type: GrantFiled: November 14, 2002Date of Patent: March 16, 2004Assignees: Uniroyal Chemical Company, Inc., Crompton Co./CieInventors: Sheldon B. Park, Gaik-Lean Chee, Mark A. Dekeyser
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Patent number: 6498254Abstract: Certain pyridine and quinoline derivatives' which inhibit replication of the retroviruses HIV-1, HIV-2 and human cytomegalovirus (HCMV) are provided. Pharmaceutical compositions useful in methods of treating or inhibiting certain retrovirus infections are described.Type: GrantFiled: October 29, 2001Date of Patent: December 24, 2002Assignee: Uniroyal Chemical Company, Inc.Inventors: Arthur D. Brewer, Stephen E. Cantor, Mark A. Dekeyser, Arthur M. P. Doweyko, John W. Harris, John A. Lacadie, James B. Pierce, Howard L. Plant, William A. Harrison
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Patent number: 6451835Abstract: Disclosed herein are fluoroethyl pyrazole compounds of the formula: wherein X and Y are independently selected from the group consisting of hydrogen, halogen, alkyl, haloalkyl, nitro, alkylthio, alkylsulfinyl, alkylsulfonyl, and haloalkoxy. These compounds are useful as insecticides, nematocides, fungicides, and acaricides.Type: GrantFiled: November 13, 2001Date of Patent: September 17, 2002Assignee: Uniroyal Chemical Company, Inc.Inventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 5567723Abstract: Compounds having the structural formula ##STR1## wherein R is C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 alkyl; R.sup.1 is fluorenyl, thienyl, pyridyl or thiazolyl, unsubstituted or substituted by one or more substituents selected from C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio, halogen, C.sub.1 -C.sub.4 haloalkyl and nitro; and R.sup.2 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.6 alkenyl, or C.sub.2 -C.sub.6 alkoxyalkyl. The compounds of this invention are effective for controlling mites and nematodes.Type: GrantFiled: July 5, 1995Date of Patent: October 22, 1996Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./LteeInventors: Mark A. Dekeyser, Derek J. McPhee, Paul T. McDonald
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Patent number: 5543404Abstract: Compounds having the formula: ##STR1## wherein R is C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, hydrogen, halogen, or C.sub.1 -C.sub.4 alkylthio; R.sup.1 is phenyl, phenoxy, or benzyl, the phenyl ring of each substituent being optionally substituted with one or more of halogen, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl or di(C.sub.1 -C.sub.4 alkyl)amino; and R.sup.2 is branched or straight-chained, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.3 -C.sub.6 cycloalkoxy, C.sub.1 -C.sub.6 haloalkyl, alkoxyalkyl, C.sub.1 -C.sub.6 alkenyl, C.sub.1 -C.sub.6 alkylthio, (C.sub.1 -C.sub.6 alkoxy)carbonyl, C.sub.1 -C.sub.6 alkylamino, C.sub.1 -C.sub.6 haloalkoxy, or C.sub.3 -C.sub.6 cycloalkyl. These compounds are effective for controlling mites.Type: GrantFiled: July 5, 1995Date of Patent: August 6, 1996Assignees: Uniroyal Chemical Company, Inc, Uniroyal Chemical Ltd/LteeInventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 5536720Abstract: Compounds of the formula ##STR1## wherein: Z is ##STR2## wherein x is an integer from 0 to 4, n is an integer from 0 to 5 and R is defined below; or ##STR3## wherein n is an integer from 0 to 5 and R is defined below; R is selected from the group consisting of: hydrogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; halogen; nitro; phenyl; cyano; phenoxy; benzyloxy; benzyl; C.sub.1 -C.sub.4 dialkylamino; C.sub.1 -C.sub.4 alkylthio; or C.sub.1 -C.sub.4 haloalkyl; andR.sup.1 is a C.sub.1 -C.sub.4 haloalkyl other than a chloroalkyl, or a group of the formula ##STR4## wherein R.sup.4 is halogen, C.sub.1 -C.sub.4 haloalkyl or C.sub.1 -C.sub.4 haloalkoxy; physiologically acceptable salts thereof. These compounds exhibit insecticidal and acaricidal activity.Type: GrantFiled: May 11, 1994Date of Patent: July 16, 1996Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./LteeInventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 5536746Abstract: Compounds having the structural formula ##STR1## where X, Y, R and Z are defined in the specification are disclosed. The compounds of this invention are effective for controlling mites, nematodes, rice planthopper, tobacco budworm, and southern corn rootworm. Methods for making these compounds are also set forth.Type: GrantFiled: March 24, 1995Date of Patent: July 16, 1996Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd/LteeInventors: Mark A. Dekeyser, Paul T. McDonald
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Patent number: 5438123Abstract: Compounds having the structural formula ##STR1## where X, Y, R and Z are defined in the specification are disclosed. The compounds of this invention are effective for controlling mites, nematodes, rice planthopper, tobacco budworm, and southern corn rootworm. Methods for making these compounds are also set forth.Type: GrantFiled: August 5, 1994Date of Patent: August 1, 1995Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./LteeInventors: Mark A. Dekeyser, Paul T. McDonald