Patents by Inventor Laura L. Karr

Laura L. Karr 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).

  • Compounds useful as pesticides
    Patent number: 7902233
    Abstract: Compounds useful to control pests are provided.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: March 8, 2011
    Assignee: Dow AgroSciences LLC
    Inventors: Zoltan L. Benko, David A. Demeter, Carl Deamicis, Lowell Markley, Jack Geno Samaritoni, Carrie Schmidt, Yuanming Zhu, W. Randal Erickson, Peter B. Anzeveno, James Todd Pechacek, Gerald B. Watson, Gerrit Deboer, Joel J. Sheets, Susan Zabik, Carla N. Yerkes, Christian Schobert, James E. Dripps, Leonard Dintenfass, Laura L. Karr, Paul A. Neese, Jim X. Huang, James M. Gifford
  • Pesticidal macrolides
    Patent number: 6800614
    Abstract: Macrolide compounds produced by culturing Saccharopolyspora species LW107129 (NRRL 30141) have insecticidal and acaricidal activity and are useful intermediates for preparing spinosyn analogs.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: October 5, 2004
    Assignee: Dow AgroSciences LLC
    Inventors: Paul Lewer, Donald R. Hahn, Laura L. Karr, Paul R. Graupner, Jeffrey R. Gilbert, Thomas V. Worden, Raymond C. Yao, Dennis W. Norton
  • Pesticidal macrolides
    Publication number: 20030186899
    Abstract: Macrolide compounds produced by culturing Saccharopolyspora species LW107129 (NRRL 30141) have insecticidal and acaricidal activity and are useful intermediates for preparing spinosyn analogs.
    Type: Application
    Filed: August 13, 2002
    Publication date: October 2, 2003
    Inventors: Paul Lewer, Donald R. Hahn, Laura L. Karr, Paul R. Graupner, Jeffrey R. Gilbert, Thomas V. Worden, Raymond C. Yao, Dennis W. Norton
  • Pesticidal macrolides
    Patent number: 6455504
    Abstract: Macrolide compounds produced by culturing Saccharopolyspora species LW107129 (NRRL 30141) have insecticidal and acaricidal activity and are useful intermediates for preparing spinosyn analogs.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: September 24, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Paul Lewer, Donald R. Hahn, Laura L. Karr, Paul R. Graupner, Jeffrey R. Gilbert, Thomas V. Worden, Raymond C. Yao, Dennis W. Norton
  • Benzoylphenylurea insecticides and methods of using certain benzoylphenylureas to control ants
    Patent number: 6303657
    Abstract: Compounds of the formula (I) wherein R1 and R2 are H, methyl, or ethyl, provided that at least one of R1 or R2 is methyl or ethyl, have unexpected activity against ants. Compounds wherein at least one of R1 and R2 is methyl or ethyl are novel.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: October 16, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald J. Spragia, George W. Johnson, Laura L. Karr, Jeff M. Edwards, Brian M. Schneider
  • Benzoylphenylurea insecticides and methods of using certain benzoylphenylureas to control ants
    Patent number: 6245816
    Abstract: Compounds of the formula (I) wherein R1 and R2 are H, methyl, or ethyl, have unexpected activity against ants. Compounds wherein at least one of R1 and R2 is methyl or ethyl are novel.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: June 12, 2001
    Inventors: Ronald J. Spragia, George W. Johnson, Laura L. Karr, Jeff M. Edwards, Brian M. Schneider
  • Benzoylphenylurea insecticides and methods of using certain benzoylphenylureas to control cockroaches
    Patent number: 6221912
    Abstract: Compounds of the formula (I) wherein R1 and R2 are H, methyl, or ethyl, have unexpected activity against cockroaches. Compounds wherein at least one of R1 and R2 is methyl or ethyl are novel.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: April 24, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald J. Spragia, George W. Johnson, Laura L. Karr, Jeff M. Edwards, Brian M. Schneider
  • Synergistic juvenoid chitin synthesis inhibitor termiticide compositions
    Patent number: 6093415
    Abstract: Combinations of a chitin synthesis inhibitor (e.g. hexaflumuron, flufenoxuron, lufenuron, and dimiin) with a juvenile hormone mimic (e.g. methoprene and pyriproxyfen) afford synergistic activity against termites.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: July 25, 2000
    Assignee: Dow AgroSciences LLC
    Inventors: Laura L. Karr, Ronald J. Sbragia
  • Method of using certain benzoylphenylureas to control fleas
    Patent number: 6025397
    Abstract: Compounds of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are H, methyl, or ethyl, have unexpected activity against fleas. Compounds wherein at least one of R.sup.1 and R.sup.2 is methyl or ethyl are novel.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: February 15, 2000
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald J. Soragia, George W. Johnson, Laura L. Karr, Brian M. Schneider, Jeff M. Edwards
  • Benzoylphenylurea insecticides to control cockroaches
    Patent number: 5945453
    Abstract: Compounds of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are H, methyl, or ethyl, and wherein at least one of R.sup.1 and R.sup.2 is methyl or ethyl, are disclosed to control cockroaches.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: August 31, 1999
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald J. Sbragia, George W. Johnson, Laura L. Karr, Jeff M. Edwards, Brian M. Schneider
  • Benzoylphenylurea insecticides and methods of using certain benzoylphenylureas to control cockroaches, ants, fleas, and termites
    Patent number: 5886221
    Abstract: Compounds of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are H, methyl, or ethyl, have unexpected activity against cockroaches, ants, fleas, and termites. Compounds wherein at least one of R.sup.1 and R.sup.2 is methyl or ethyl are novel.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: March 23, 1999
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald J. Sbragia, George W. Johnson, Laura L. Karr, Jeff M. Edwards, Brian M. Schneider
  • 3,4,N-trisubstituted-4,5-dihydro-1H-pyrazole-1-carboxamides and their use as insecticides
    Patent number: 5250532
    Abstract: 3,4,N-triaryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds having an aryl moiety in the 4-position that is an optionally substituted pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl moiety and aryl moieties in the 3-position and the N-position that are optionally substituted phenyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl moieties, such as N-(4-chlorophenyl)-4,5- -dihydro-3-(4-fluorophenyl)-4-(5-trifluoromethyl-2- -pyridinyl)-1H-pyrazole-1-carboxamide, were prepared and found to possess insecticidal utility. 1,2-Diarylethanone compounds were converted to 1,2-diaryl-2-propen-1-one compounds by treatment with bis(dimethylamino)methane, the 1,2-diaryl-2-propen-1-one compounds were converted to 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds by treatment with hydrazine, and the 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds were converted to the insecticidal subject compounds by treatment with an aryl isocyanate.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: October 5, 1993
    Assignee: DowElanco
    Inventors: Kevin L. McLaren, Mark B. Hertlein, James T. Pechacek, Michael J. Ricks, Yulan C. Tong, Laura L. Karr