Patents by Inventor Rosamund A. Spence

Rosamund A. Spence 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).

  • Patent number: 5334722
    Abstract: Fungicidal compounds of formula (I): ##STR1## in which X and Y are independently O or S, and A and R.sup.1 to R.sup.4 have various specified values.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: August 2, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Patrick J. Crowley, Alasdair T. Glen, Rosamund A. Spence, Kevin R. Lawson
  • Patent number: 5280044
    Abstract: Fungicidal compounds of the formula (I): ##STR1## in which A and B are independently H, fluoro, chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or halo(C.sub.1-4)alkyl provided that both are not H; D and E are independently H or fluoro; R.sup.1 is H, C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sup.2 is CC.sub.1-4 alkyl, C.sub.1-4 alkoxy or optionally substituted phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached join to form a morpholine, piperidine, pyrrolidine or azetidine ring which is optionally substituted with C.sub.1-4 alkyl; R.sup.3 is H; R.sup.4 is trichloromethyl, C.sub.2-8 alkyl (optionally substituted with halogen, C.sub.1-8 alkoxy or R'S(O) in which R' is C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl and n is 0, 1 or 2), cyclopropyl (optionally substituted with halogen or C.sub.1-4 alkyl), C.sub.2-8 alkenyl, C.sub.2-8 alkynyl, C.sub.1-8 alkoxy, mono- or di(C.sub.1-4)alkyl- amino or the group, R"ON.dbd.C(CN) in which R" is C.sub.1-4 alkyl, or R.sup.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: January 18, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Patrick J. Crowley, Alasdair T. Glen, Rosamund A. Spence
  • Patent number: 4999381
    Abstract: Fungicidal compounds of the formula (I): ##STR1## in which A and B are independently H, fluoro, chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4, alkoxy or halo (C.sub.1-4) alkyl provided that both are not H; D and E are independently H or fluoro; F.sup.1 is H, C.sub.1-4 alkyl or C.sub.1-4 akloxy; R.sup.2 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy or optionally substituted phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached join to form a morpholine, piperidine, pyrrolidine or azetidine ring which is optionally substituted with C.sub.1-4 alkyl; R.sup.3 is H; R.sup.4 is trichloromethyl, C.sub.2-8 alkyl (optionally substituted with halogen, C.sub.1-8 alkoxy or R'S(O).sub.n in which R' is C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl and n is 0, 1 or 2), cyclopropyl (optionally substituted with halogen or C.sub.1-4 alkyl), C.sub.2-8 alkenyl, C.sub.2-8 alkynyl, C.sub.1-8 alkoxy, mono- or di(C.sub.1-4)alkyl- amino or the group, R"ON.dbd.C(CN) in which R" is C.sub.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: March 12, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Patrick J. Crowley, Alasdair T. Glen, Rosamund A. Spence