Patents by Inventor Arthur A. Whipp

Arthur A. Whipp 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).

  • Miticidal and mite ovicidal, compounds
    Patent number: 4350831
    Abstract: Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: September 21, 1982
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp
  • Mite and mite ovicidal compositions
    Patent number: 4269856
    Abstract: Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: May 26, 1981
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp
  • Quaternary ammonium salt catalyzed preparation of sulfonamides
    Patent number: 4208348
    Abstract: Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl prepared using an acid acceptor and a catalytic amount of a quaternary ammonium salt.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: June 17, 1980
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp
  • Mite and mite-ovicidal compositions
    Patent number: 4107332
    Abstract: Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: August 15, 1978
    Assignee: Chevron Research Company
    Inventors: David C. K. Chan, Arthur A. Whipp