Patents by Inventor Aleksander Edward Karczewski

Aleksander Edward Karczewski 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: 8216976
    Abstract: The present invention provides an improved herbicidal composition including (a) an effective amount of an herbicidal cyclohexandione oxime compound or agriculturally acceptable salt thereof; (b) one or more esters of a fatty acid; (c) a salt of dodecylbenzensulfonic acid; (d) at least one nonionic surfactant selected from the group consisting of polyoxyethylene plant oils and polyoxyethylene sorbitan esters; and (e) optionally another herbicide.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: July 10, 2012
    Assignees: Valent U.S.A. Corporation, Akzo Nobel Surface Chemistry, L.L.C.
    Inventors: James Lyle Hazen, Aleksander Edward Karczewski, Yabin Lei, Jane Qing Liu, Evelyn Jean Taylor
  • Publication number: 20100087318
    Abstract: The present invention provides an improved herbicidal composition including (a) an effective amount of an herbicidal cyclohexandione oxime compound or agriculturally acceptable salt thereof; (b) one or more esters of a fatty acid; (c) a salt of dodecylbenzensulfonic acid; (d) at least one nonionic surfactant selected from the group consisting of polyoxyethylene plant oils and polyoxyethylene sorbitan esters; and (e) optionally another herbicide.
    Type: Application
    Filed: December 9, 2009
    Publication date: April 8, 2010
    Inventors: James Lyle Hazen, Aleksander Edward Karczewski, Yabin Lei, Jane Qing Liu, Evelyn Jean Taylor
  • Patent number: 7678741
    Abstract: A dehydration step provides a good storage stability to clethodium formulation. A herbicidal composition comprising clethodim as an active ingredient, wherein the content of water in the herbicidal composition is less than approximately 0.20% by weight provides a good storage stability of the clethodim in the composition.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: March 16, 2010
    Assignees: Sumitomo Chemical Company, Limited, Valent U.S.A. Corp.
    Inventors: Toshiro Otsubo, Atsushi Watanabe, Aleksander Edward Karczewski, Jane Qing Liu
  • Patent number: 7651977
    Abstract: The present invention provides an improved herbicidal composition including (a) an effective amount of an herbicidal cyclohexanedione oxime compound or agriculturally acceptable salt thereof; (b) one or more esters of a fatty acid; (c) a salt of dodecylbenzenesulfonic acid; (d) at least one nonionic surfactant selected from the group consisting of polyoxyethylene plant oils and polyoxyethylene sorbitan esters; and (e) optionally an aromatic hydrocarbon solvent. The present invention also provides a method for controlling the growth of vegetation, by applying to the vegetation the composition of the present invention.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: January 26, 2010
    Assignees: Valent U.S.A. Corporation, Akzo Nobel Surface Chemistry LLC
    Inventors: James Lyle Hazen, Aleksander Edward Karczewski, Yabin Lei, Jane Qing Liu, Evelyn Jean Taylor