Patents by Inventor Jeffrey H. Birk

Jeffrey H. Birk 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).

  • Method for controlling aquatic weeds
    Patent number: 9060516
    Abstract: The present invention relates to a method for the control of aquatic weeds which comprises applying a herbicidally effective amount of at least one compound of formula (I) wherein X is halogen and R is halogen or C1-C6 alkyl, and/or one or more agriculturally acceptable salts thereof to act on submersed aquatic weeds and/or their aqueous habitat containing seeds or other propagating organs of said aquatic weeds.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: June 23, 2015
    Assignee: BASF SE
    Inventors: Joseph Zawierucha, Glenn W. Oliver, Richard R. Evans, Todd Horton, Daniel D. Beran, Joseph G. Vollmer, Alane J-Bo Burns, Jeffrey H. Birk, Derek W. Miller, Timothy P. Knight
  • Method of controlling the aquatic weed
    Patent number: 8080497
    Abstract: A method of controlling the aquatic weed Hydrilla verticillata which comprises allowing a herbicidally effective amount of (RS)-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-5-methoxymethylnicotinic acid (imazamox) or an agriculturally acceptable salt thereof to act on the aquatic weed and/or its aqueous habitat containing seeds or other propagating organs of said aquatic weed.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: December 20, 2011
    Assignee: BASF SE
    Inventors: Joseph Zawierucha, W. Glenn Oliver, Rick Evans, Todd Horton, Daniel D. Beran, Joseph G. Vollmer, Alane J-Bo Burns, Jeffrey H. Birk, Derek W. Miller, Timothy P. Knight
  • Method for Controlling Aquatic Weeds
    Publication number: 20090011934
    Abstract: The present invention relates to a method for the control of aquatic weeds which comprises applying a herbicidally effective amount of at least one compound of formula (I) wherein X is halogen and R is halogen or C1-C6 alkyl, and/or one or more agriculturally acceptable salts thereof to act on submersed aquatic weeds and/or their aqueous habitat containing seeds or other propagating organs of said aquatic weeds.
    Type: Application
    Filed: December 20, 2006
    Publication date: January 8, 2009
    Applicant: BASF SE
    Inventors: Joseph Zawierucha, Glenn W. Oliver, Richard R. Evans, Todd Horton, Daniel D. Beran, Joseph G. Vollmer, Alane J-Bo Burns, Jeffrey H. Birk, Derek W. Miller, Timothy P. Knight
  • Method of Controlling the Aquatic Weed Hydrilla Verticillata
    Publication number: 20080305954
    Abstract: A method of controlling the aquatic weed Hydrilla verticillata which comprises allowing a herbicidally effective amount of (RS)-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-5-methoxymethylnicotinic acid (imazamox) or an agriculturally acceptable salt thereof to act on the aquatic weed and/or its aqueous habitat containing seeds or other propagating organs of said aquatic weed.
    Type: Application
    Filed: December 18, 2006
    Publication date: December 11, 2008
    Applicant: BASF SE
    Inventors: Joseph Zawierucha, Oliver W. Glenn, Rick Evans, Todd Horton, Daniel D. Beran, Joseph G. Vollmer, Alane J-Bo Burns, Jeffrey H. Birk, Derek W. Miller, Timothy P. Knight
  • Aryloxyspiroalkylindolinone herbicides
    Patent number: 5182397
    Abstract: There are provided aryloxy-1'-(substituted)-spiro[cycloalkane-1,3'-indolin]-2'-one compounds, their herbicidal use, particularly for the selective control of undesirable plant species in the presence of cereal crops such as rice and wheat, and a method for the preparation thereof.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: January 26, 1993
    Assignee: American Cyanamid Company
    Inventors: Michael E. Condon, Gary M. Karp, Jeffrey H. Birk
  • Aryloxyspiroalkylindolinone herbicides
    Patent number: 5076835
    Abstract: There are provided aryloxy-1'-(substituted)-spiro[cycloalkane-1,3'-indolin]-2'-one compounds, their herbicidal use, particularly for the selective control of undesirable plant species in the presence of cereal crops such as rice and wheat, and a method for the preparation thereof.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: December 31, 1991
    Assignee: America Cyanamid Company
    Inventors: Michael E. Condon, Gary M. Karp, Jeffrey H. Birk
  • Method for safening gramineous crops against pyridine imidazolinone herbicides
    Patent number: 4992092
    Abstract: The present invention provides a method for protecting a gramineous crop from injury caused by a pyridine imidazolinone herbicidal compound by applying to the crop a chemical safener in a non-phytotoxic antidotal amount.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: February 12, 1991
    Assignee: American Cyanamid Company
    Inventors: Jeffrey H. Birk, Timothy Malefyt