Patents by Inventor John W. Buser

John W. Buser 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).

  • 2,4-diamino-5-iodopyrimidines useful as pesticide intermediates
    Patent number: 5696259
    Abstract: This invention describes 2,4-diamino-5-iodopyrimidines II where R, R1, R2, and R3 are independently selected from hydrogen, alkyl, cycloalkyl, alkoxyalkyl, alkoxyalkoxyalkyl, and arylalkyl; or, R1 and R2, and R3 and R, each independently, when taken together with pentylene or 3-oxapentylene, form piperidine and morpholine ring systems respectively; and R4 is hydrogen or lower alkyl. These compounds are useful intermediates in the preparation of insecticides I where U is an optionally substituted alkenylene.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: December 9, 1997
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Walter H. Yeager, Mary E. Brown, John W. Buser
  • 5[W(substituted aryl)alkenylene and alkynylene]-2,4-diaminopyrimidines as pesticides
    Patent number: 5622954
    Abstract: 5-Substituted-2,4-diaminopyrimidines, and agriculturally acceptable salts thereof, when present in insecticidally or acaricidally effective amounts, and with a suitable agricultural carrier, are useful as active ingredients in novel insecticidal and acaricidal compositions. These pyrimidines may be represented by the following formula: ##STR1## wherein Ar is ##STR2## and wherein U is an alkenylene or alkynylene moiety, and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, V, W, X, Y, Z and n are as defined herein; also disclosed and claimed are novel intermediates thereof.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: April 22, 1997
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Walter H. Yeager, Mary E. Brown, John W. Buser
  • 2-cyano-1-aminobenzene compounds
    Patent number: 5616718
    Abstract: A compound having the formula: ##STR1## wherein W, X, Y, and Z are as defined in the specification is useful for making 2,4-diaminoquinazolines.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: April 1, 1997
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Walter H. Yeager, John W. Buser, James J. Fiordeliso, John A. Dixson
  • Insecticidal substituted-2,4-diaminoquinazolines
    Patent number: 5534518
    Abstract: An insecticidal composition comprising, in admixture with an agriculturally acceptable carrier, an insecticidally effective amount of a 2,4-diaminoquinazoline compound of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.6, R.sup.7, W, X, Y, and Z are as defined herein; methods of using the same; novel 2,4-diaminoquinazolines per se; and intermediates in the preparation thereof.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: July 9, 1996
    Assignee: FMC Corporation
    Inventors: Robert N. Henrie, II, Clinton J. Peake, Thomas G. Cullen, Albert C. Lew, Munirathnam K. Chaguturu, Partha S. Ray, Walter H. Yeager, Ian R. Silverman, John W. Buser, James J. Fiordeliso, John A. Dixson