Patents by Inventor Yoko Mine

Yoko Mine 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).

  • Pyridazin-3-one derivatives, their use and intermediates for their production
    Patent number: 6869913
    Abstract: Novel pyridazin-3-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is haloalkyl; R2 and R3 are hydrogen, alkyl, haloalkyl, or alkoxyalkyl; and Q is [Q-1], [Q-2], [Q-3], [Q-4] or [Q-5]. Also provided are their use and intermediates for their production.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: March 22, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine
  • Pyridazin-3-one derivatives, their use, and intermediates for their production
    Patent number: 6703503
    Abstract: Novel hydrazones having the following structural formula are provided, which are useful intermediates to form active ingredients of herbicides, wherein R3 is hydrogen, alkyl, haloalkyl, or alkoxy alkyl; and Q is [Q1-1], [Q-2], [Q1-3], [Q-4] or [Q-5] defined herein.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: March 9, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine
  • Pyridazin-3-one derivatives, their use, and intermediates for their production
    Publication number: 20040005986
    Abstract: Novel pyridazin-3-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is haloalkyl; R2 and R3 are the same or different and are hydrogen, alkyl, haloalkyl, or alkoxyalkyl; and Q is [Q-1], [Q-2], [Q-3], [Q-4], or [Q-5]. Also provided are their use and intermediates for their production.
    Type: Application
    Filed: October 3, 2002
    Publication date: January 8, 2004
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine
  • Pyridazin-3-one derivatives, their use, and intermediates for their production
    Patent number: 6482773
    Abstract: Novel pyridazin-3-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is haloalkyl; R2 and R3 are the same or different and are hydrogen, alkyl, haloalkyl, or alloxyalky; and Q is [Q-2] Also provided are their use and intermediates for their production.
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: November 19, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine
  • Pyridazin-3-one derivatives, their use, and intermediates for their production
    Patent number: 6348628
    Abstract: Novel hydrazones of formula [2] having the following structural formula are provided, which are useful intermediates to form active ingredients of herbicides, wherein R3 is hydrogen, alkyl, haloalkyl, or alkoxy alkyl; and Q is [Q-1], [Q-2], [Q-3], [Q-4] or [Q-5] as defined herein.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: February 19, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine
  • Pyridazin-3-one derivatives, their use, and intermediates for their production
    Patent number: 6090753
    Abstract: Novel pyridazin-3-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R.sup.1 is haloalkyl; R.sup.2 and R.sup.3 are the same or different and are hydrogen, alkyl, haloalkyl, or alkoxyalkyl; and Q is [Q-1], [Q-2], [Q-3], [Q-4], or [Q-5]. Also provided are their use and intermediates for their production.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: July 18, 2000
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu, Yoko Mine