Patents Represented by Attorney R. M. Kennedy

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  • Preparation of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl chloroformate with aqueous phase removal
    Patent number: 5332841
    Abstract: A process for the production of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl chloroformate which comprises treating 2,3-dihydro-2,2-dimethyl-7-benzofuranol and phosgene in a water immiscible organic medium with aqueous base and removing aqueous phase from the organic phase during the process.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: July 26, 1994
    Assignee: FMC Corporation
    Inventor: Harry W. Weber, Jr.
  • Herbicidal aryl triazolinones
    Patent number: 5294595
    Abstract: Herbicidal compounds of the formula ##STR1## in which, for example, X is Br, Cl or F; Y is Cl or Br, R.sup.2 is CHF.sub.2, R.sup.3 is CH.sub.3, R is alkyl, dialkylamino, carboxymethyl, hydroxy, haloalkyl, or aryl, and R.sup.1 is H, Na, lower alkyl or --SO.sub.2 R.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: March 15, 1994
    Assignee: FMC Corporation
    Inventor: George Theodoridis
  • Herbicidal beta-pyrazolylacrylic acid compound
    Patent number: 5198014
    Abstract: This application discloses hebricidal B-pyrazolylacrylic acids, compositions containing them, methods of preparing them, and methods for controlling undesired plant growth by preemergent or postemergent application of the herbicidal compositions to the locus where control is desired. The herbicidal compounds have the formula ##STR1## in which the radicals are defined in the claims.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: March 30, 1993
    Assignee: FMC Corporation
    Inventor: Lester L. Maravetz