Patents Examined by Patricia I. Morris
  • Patent number: 5643855
    Abstract: Compounds such as Formula I having herbicidal utility are disclosed: ##STR1## wherein Q is ##STR2## R.sub.1 is H; alkyl, haloalkyl or halogen R.sup.2 is C.sub.1 -C.sub.2 alkyl optionally substituted with one or more halogens, OR.sup.8, CN, COR.sup.9, CO.sub.2 R.sup.31 or CONR.sup.32 R.sup.33 ; CN; CO.sub.2 R.sup.34 ; CONR.sup.35 R.sup.36 ; S(O).sub.n R.sup.8 ; S(O).sub.n NR.sup.19 R.sup.8 or COR.sup.37 ; orR.sup.1 and R.sup.2 can be taken together along with the carbon to which they are attached to form C.dbd.CHCO.sub.2 R.sup.31 ; C.dbd.(CH.sub.3)CO.sub.2 R.sup.31 ; C.dbd.(C.sub.2 H.sub.5)CO.sub.2 R.sup.31 ; C.dbd.CHCONR.sup.32 R.sup.33 ; C.dbd.C(CH.sub.3)CONR.sup.32 R.sup.33 or C.dbd.C(C.sub.2 H.sub.5)CONR.sup.32 R.sup.33.
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: July 1, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: John Jolly Kilama
  • Patent number: 5641880
    Abstract: The present invention relates to novel processes for preparing intermediates of the formula I ##STR1## and to novel intermediates thereof which are useful in the preparation of inhibitors of enkephalinase and angiotensin converting enzyme.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: June 24, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Gary A. Flynn, Thomas D. Bannister