Patents Assigned to Kureha Kagaku Kabushiki Kaisha
  • Patent number: 6200933
    Abstract: An agricultural or horticultural fungicide containing 6-(unsubstituted or substituted) phenoxy picolinic acid represented by the general formula (I), as an effective ingredient. wherein R is a halogen atom, a C1 to C4 alkyl group, a C1 to C4 haloalkyl group, a C1 to C4 alkoxy group, a C1 to C4 haloalkoxy group, a C1 to C4 alkylthio group, a C1 to C4 alkylamino group, a di(C1 to C4 alkyl)amino group or a C7 to C8 aralkyl(C1 to C4 alkyl)amino group; n2 is an integer of 0 to 3; Y is a C1 to C4 alkyl group, a C1 to C4 haloalkyl group, a C1 to C4 alkoxy group, a C1 to C4 haloalkoxy group, a C1 to C4 alkylthio group, a C1 to C4 haloalkylthio group or a halogen atom; and m is an integer of 0 to 5, and when m and n2 are not less than 2, Rs and Ys may be the same or different, respectively. The compound is useful as an effective ingredient of agricultural or horticultural fungicides.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: March 13, 2001
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Hisashi Kanno, Yoichi Kanda, Kazuhiko Sunagawa, Takayoshi Eizuka
  • Patent number: 5562901
    Abstract: The disclosure describes a method of treating a patient suffering from hemorrhoidal diseases, comprising orally administering to said patient an effective amount of a pharmaceutical composition in dosage unit form comprising a spherical activated carbon having a particle size of 0.05 to 2 mm.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: October 8, 1996
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Yasuo Uehara, Michihito Ise
  • Patent number: 5159118
    Abstract: Disclosed herein are an azole derivative represented by the formula(I): ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a (C.sub.1 -C.sub.5) alkyl group or a hydrogen atom; X represents a halogen atom, a (C.sub.1 -C.sub.5) alkyl group or a phenyl group; n represents an integer of from 0 to 2 and A represents a nitrogen atom or a CH, provided that R.sup.1 is not a hydrogen atom when R.sup.2 is a hydrogen atom, a process for producing the azole derivative represented by the formula(I), and an agricultural and horticultural composition containing the azole derivative represented by the formula(I).
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: October 27, 1992
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Satoru Kumazawa, Susumu Shimizu, Hiroyuki Enari, Atsushi Ito, Susumu Ikeda, Nobuo Sato, Toshihide Saishoji
  • Patent number: 5142061
    Abstract: The present invention discloses a process to produce a compound of the formula (IA): ##STR1## or an acid addition salt or metal complex thereof, in which n represents an integer from 0 to 5; each R represents a halogen atom, or a nitro, cyano, alkyl, haloalkyl or phenyl group; R.sup.1 and R.sup.2 independently represent a hydrogen atom or an alkyl group; and A represents a nitrogen atom or a CH group; which comprises steps of:(1-a) reacting a compound of the formula (VI): ##STR2## in which n,R,R.sup.1 and R.sup.2 are as defined above, with a reducing agent to obtain a compound of the formula (IVA); or, as an alternative step,(1-b) reacting a compound of the formula (VII): ##STR3## in which n, R,R.sup.1 and R.sup.2 are as defined above and R.sup.5 represents a hydrogen atom or an alkyl group,with a reducing agent to obtain a compound of the formula (IVA);(2) reacting a compound of the formula (IVA): ##STR4## with a compound of the formula (V):R.sup.3 SO.sub.2 X (V)in which n,R,R.sup.1 and R.sup.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: August 25, 1992
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventor: Paul H. Briner
  • Patent number: 4438106
    Abstract: This disclosure describes an inclusion compound of cyclodextrin in which at least one guest compound selected from the group of eicosapentaenoic acid, docosahexaenoic acid and alkali metal salts and alkyl esters thereof is included.
    Type: Grant
    Filed: June 29, 1982
    Date of Patent: March 20, 1984
    Assignee: Kureha Kagaku Kabushiki Kaisha
    Inventors: Masakatsu Wagu, Shoichiro Hayashi, Kouichi Kodama