Patents Represented by Attorney James R. Thornton

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  • 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
  • 3-Halo-2,6-dinitro-4-trifluoromethylaniline
    Patent number: 3966816
    Abstract: 3-Halo-2,6-dinitro-4-trifluoromethylanilines having hydrocarbon substituents on the nitrogen atom. The hydrocarbon substituents can be alkyl, alkenyl, alkynyl or a portion of a heterocyclic group. The compounds are especially useful as intermediates for preparing herbicidal dinitro-1,3-phenylenediamines.
    Type: Grant
    Filed: March 5, 1974
    Date of Patent: June 29, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventors: William G. Woods, Don L. Hunter
  • 5-Trifluoromethyl-7-aminobenzimidazoles herbicides
    Patent number: 3954438
    Abstract: Benzimidazoles having 5-trifluoromethyl and 7-amino substituents are useful as herbicides. The 1-and 2-positions of the molecule also have at least one substituent; and, preferably both positions are substituted, such as with alkyl groups.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: May 4, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, Robert A. Smith, Wayne S. Belles
  • 2-Dialkylamino-5-trifluoromethyl-7-nitrobenzimidazoles
    Patent number: 3954792
    Abstract: Benzimidazoles of the formula ##SPC1##Wherein R.sub.1 represents hydrogen or an alkyl group which may optionally be substituted, R.sub.2 represents lower alkyl, and X is hydrogen, lower alkoxy or halo. The compounds are useful as intermediates for preparation of herbicides.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: May 4, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventor: Kelvin Kei-Wei Shen
  • 5-Trifluoromethyl-7-nitrobenzimidazoles
    Patent number: 3954788
    Abstract: Benzimidazoles of the formula ##SPC1##Wherein R.sub.1 and R.sub.2 represent at least one alkyl group which may optionally be substituted and X is lower alkoxy or halo, R.sub.1 may also be dialkyl amino and R.sub.2 may be halo. The compounds are useful as intermediates for preparation of herbicides.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: May 4, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventors: Don L. Hunter, Robert A. Smith
  • Boric acid process
    Patent number: 3953580
    Abstract: Boric acid is recovered from impure mother liquors from boric acid processes by use of porous membranes, such as cellulose acetate, by a reverse osmosis technique.
    Type: Grant
    Filed: November 21, 1974
    Date of Patent: April 27, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventors: Richard Paul Allen, Cyril Alfred Morgan
  • Furnace temperature control system
    Patent number: 3952945
    Abstract: Temperature control system for furnaces used in heat-treating metallic articles, such as boronizing steel.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: April 27, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventor: Richard Hampton Biddulph