Patents Examined by Robert C. Whittenbauch
  • Process for the preparation of pyrrolizine derivatives
    Patent number: 4897495
    Abstract: A process for the preparation of pyrrolizine derivatives of the formula ##STR1## wherein R is --CN or --CH.sub.2 NH.sub.2, and salts thereof.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: January 30, 1990
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Masayasu Kurono, Yasuaki Kondo, Ryoichi Unno, Yukiharu Matsumoto, Hiromoto Kimura, Mitsuru Oka, Kiichi Sawai
  • Certain pyridyl thio or phenyl thio-E thane-1,3-cyclohexane dione-oximino esther herbicides
    Patent number: 4789396
    Abstract: A novel cyclohexane compound represented by the general formula (I), ##STR1## wherein R.sup.1 represents a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.4)alkoxymethyl group, R.sup.2 represents a (C.sub.1 -C.sub.12)alkyl, (C.sub.3 -C.sub.6)alkenyl, (C.sub.3 -C.sub.6)alkynyl, (C.sub.3 -C.sub.6)cycloalkylmethyl, halo(C.sub.3 -C.sub.6)alkenyl, cyano(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxymethyl, (C.sub.1 -C.sub.4)alkylthiomethyl or benzyl group, R.sup.3 represents a hydrogen atom or a methyl group, R.sup.4 represents a hydrogen atom or a methyl group, R.sup.5 is a hydrogen atom or a methyl group, and when R.sup.5 is a hydrogen atom, R.sup.6 is a hydrogen atom or a (C.sub.1 -C.sub.4)alkoxycarbonyl group,, and when R.sup.5 is a methyl group, R.sup.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: December 6, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kenji Arai, Nobuaki Mito, Kouichi Morita, Naonori Hirata