Patents by Inventor Susan P. Barnett

Susan P. Barnett 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).

  • Herbicidal pyrazolyloxy and pyrazolylamino-benzotriazoles
    Patent number: 5190574
    Abstract: A herbicidal compound of formula (I): ##STR1## in which the dotted line indicates the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system;Py is an optionally substituted pyrazole ring;W is O or NR.sup.1 ; where R.sup.1 is hydrogen or lower alkyl;X is (CH.sub.2).sub.n, CH.dbd.CH, CH(OR.sup.5)CH.sub.2, COCH.sub.2 ;where n is 0, 1 or 2;R.sup.2 and R.sup.3 are independently selected from H, optionally substituted alkyl, alkenyl or alkynyl, halogen, NR.sup.6 R.sup.7, or R.sup.2 and R.sup.3 together with the carbon to which they are attached form an optionally substituted alkenyl or cycloalkyl group;R.sup.4 is CO.sub.2 R.sup.8, CN, COR.sup.8, CH.sub.2 OR.sup.8, CH(OH)R.sup.8, CH(OR.sup.8)R.sup.9, CSNH.sub.2, COSR.sup.8, CSOR.sup.8, CONHSO.sub.2 R.sup.8, CONR.sup.10 R.sup.11, CONHNR.sup.10 R.sup.11, CONHN.sup.+ R.sup.10 R.sup.11 R.sup.12 R.sup.14-, CO.sub.2.sup.- R.sup.15+ or COON.dbd.CR.sup.10 R.sup.11 ;R.sup.15+ is an agriculturally acceptable cation and R.sup.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: March 2, 1993
    Assignee: Imperial Chemical Industries plc
    Inventors: David P. J. Pearson, John E. D. Barton, Christopher J. Mathews, David Cartwright, Susan P. Barnett
  • Certain herbicidal 1,2,4-triazolo[4,5-b]pyridines
    Patent number: 5133798
    Abstract: A compound of formula (I): ##STR1## in which the dotted lines indicate the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system;Ar is an optionally substituted aryl or heterocyclic ring;W is O or NR.sup.1, where R.sup.1 is hydrogen or lower alkyl;X is (CH.sub.2).sub.n, CH.dbd.CH, CH(OR.sup.5)CH.sub.2, COCH.sub.2 ;where n is O, 1 or 2;R.sup.2 and R.sup.3 are independently selected from H, optionally substituted alkyl, alkenyl or alkynyl, halogen, NR.sup.6 R.sup.7 or R.sup.2 and R.sup.3 together with the carbon to which they are attached form an optionally substituted alkenyl or cycloalkyl group;R.sup.4 is CO.sub.2 R.sup.8, CN, COR.sup.8, CH.sub.2 OR.sup.8, CH(OH)R.sup.8, CH(OR.sup.8)R.sup.9, CSNH.sub.2, COSR.sup.8, CSOR.sup.8, CONHSO.sub.2 R.sup.8, CONR.sup.10 R.sup.11, CONHNR.sup.10 R.sup.11, CONHN.sup.+ R.sup.10 R.sup.11 R.sup.12 R.sup.13-, CO.sub.2.sup.- R.sup.14+ or COON.dbd.CR.sup.10 R.sup.11 ;R.sup.14+ is an agriculturally acceptable cation; and R.sup.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: July 28, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: David P. J. Pearson, John E. D. Barton, David Cartwright, Susan P. Barnett