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).

  • Patent number: 7592374
    Abstract: 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: Grant
    Filed: March 3, 2005
    Date of Patent: September 22, 2009
    Assignee: Crompton Corporation
    Inventors: Mark A. Dekeyser, Sheldon B. Park, Paul T. McDonald
  • Patent number: 7572753
    Abstract: 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: Grant
    Filed: September 15, 2005
    Date of Patent: August 11, 2009
    Assignee: Chemtura Corporation
    Inventors: Mark A. Dekeyser, Ahmad Ghavami, Robert G. Davis, Sheldon B. Park, Steven J. Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
  • Patent number: 7511029
    Abstract: 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: Grant
    Filed: February 20, 2008
    Date of Patent: March 31, 2009
    Assignee: Chemtura Corporation
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Publication number: 20080287535
    Abstract: 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: Application
    Filed: February 20, 2008
    Publication date: November 20, 2008
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 7446119
    Abstract: 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: Grant
    Filed: March 28, 2005
    Date of Patent: November 4, 2008
    Assignee: Crompton Corporation
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 7399757
    Abstract: 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: Grant
    Filed: May 16, 2007
    Date of Patent: July 15, 2008
    Assignee: Chemtura Corporation
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Publication number: 20070060631
    Abstract: 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: Application
    Filed: September 15, 2005
    Publication date: March 15, 2007
    Inventors: Mark Dekeyser, Ahmad Ghavami, Robert Davis, Sheldon Park, Steven Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
  • Publication number: 20060217559
    Abstract: 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: Application
    Filed: March 28, 2005
    Publication date: September 28, 2006
    Inventors: Mark Dekeyser, Paul McDonald
  • Publication number: 20060199850
    Abstract: 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: Application
    Filed: March 3, 2005
    Publication date: September 7, 2006
    Inventors: Mark Dekeyser, Sheldon Park, Paul McDonald
  • Patent number: 7045512
    Abstract: 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 and
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: May 16, 2006
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Ciie
    Inventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Jr., Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
  • Publication number: 20040266738
    Abstract: A fungicidally active compound of the formula:
    Type: Application
    Filed: May 27, 2004
    Publication date: December 30, 2004
    Inventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
  • Publication number: 20040157892
    Abstract: Disclosed herein are fluoroethyl pyrazole compounds of the formula: 1
    Type: Application
    Filed: February 12, 2003
    Publication date: August 12, 2004
    Applicants: CROMPTON CO./Cie, UNIROYAL CHEMICAL CO., INC.
    Inventors: Sheldon B. Park, Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 6706895
    Abstract: 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: Grant
    Filed: November 14, 2002
    Date of Patent: March 16, 2004
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Cie
    Inventors: Sheldon B. Park, Gaik-Lean Chee, Mark A. Dekeyser
  • Patent number: 6498254
    Abstract: 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: Grant
    Filed: October 29, 2001
    Date of Patent: December 24, 2002
    Assignee: 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
  • Patent number: 6451835
    Abstract: 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: Grant
    Filed: November 13, 2001
    Date of Patent: September 17, 2002
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 5567723
    Abstract: 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: Grant
    Filed: July 5, 1995
    Date of Patent: October 22, 1996
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./Ltee
    Inventors: Mark A. Dekeyser, Derek J. McPhee, Paul T. McDonald
  • Patent number: 5543404
    Abstract: 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: Grant
    Filed: July 5, 1995
    Date of Patent: August 6, 1996
    Assignees: Uniroyal Chemical Company, Inc, Uniroyal Chemical Ltd/Ltee
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 5536720
    Abstract: 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: Grant
    Filed: May 11, 1994
    Date of Patent: July 16, 1996
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./Ltee
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 5536746
    Abstract: 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: Grant
    Filed: March 24, 1995
    Date of Patent: July 16, 1996
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd/Ltee
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 5438123
    Abstract: 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: Grant
    Filed: August 5, 1994
    Date of Patent: August 1, 1995
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd./Ltee
    Inventors: Mark A. Dekeyser, Paul T. McDonald