Patents by Inventor James D. Stone

James D. Stone 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).

  • Nitrophenylhydrazine compounds
    Patent number: 4374271
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for preparing herbicides.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: February 15, 1983
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Nitrophenylhydrazine compounds
    Patent number: 4202839
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for preparing herbicides.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 13, 1980
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Nitrophenylhydrazine compounds
    Patent number: 4160090
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for preparing herbicides.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: July 3, 1979
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Nitrophenylhydrazine compounds
    Patent number: 4156083
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for preparing herbicides.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: May 22, 1979
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Nitrophenylhydrazine compounds
    Patent number: 4138244
    Abstract: N-Amino substituted aniline and 1,3-phenylenediamine compounds having 1 or 2 nitro groups on the aromatic ring. The compounds are useful as herbicides and as intermediates for peparing herbicides.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: February 6, 1979
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre
  • Apparatus and method for removing bobbins on spinning machines
    Patent number: 4044536
    Abstract: This invention relates to the automatic removal or doffing of bobbins from top-loading spindles on a spinning machines wherein self-aligning loop projections carried on top of the bobbins are automatically brought into alignment with bobbin engagement means for removing the bobbins from the spindles.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: August 30, 1977
    Inventor: James D. Stone
  • 6-Cyano-2,4-dinitro-1,3-phenylenediamines
    Patent number: 3968138
    Abstract: 2,4-Dinitro-1,3-phenylenediamine compounds having a lower alkyl or cyano substituent at the 6-position of the ring are useful as herbicides.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: July 6, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, William G. Woods, James D. Stone, Cecil W. LeFevre