Patents by Inventor Toshikazu Azuma

Toshikazu Azuma 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: 6221828
    Abstract: The detergent composition is excellent in both detergency and sterilizing properties, causes less corrosion and/or damage to plastic and comprises (A) an alkyl polyglycoside, (B) a germicide selected from a cationic germicide, a biguanide germicide and an amino acid germicide and (C) a fatty acid salt respectively at specific proportions.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: April 24, 2001
    Assignee: Kao Corporation
    Inventors: Noboru Matsuo, Yoshihiro Yamazaki, Sumitoshi Ito, Takashi Itoi, Toshikazu Azuma, Susumu Yamasawa
  • Patent number: 6093679
    Abstract: An efficacy enhancer for agricultural chemicals and an agricultural chemical composition are disclosed which each manifest perfect stability even when they are incorporated into given agricultural chemicals at high concentrations and which possess excellent efficacy enhancing actions.A compound of the following formula (I) is used as the efficacy enhancer.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: July 25, 2000
    Assignee: Kao Corporation
    Inventors: Toshikazu Azuma, Tadayuki Suzuki, Keiko Hasebe
  • Patent number: 5912208
    Abstract: An agricultural chemical composition which can be safely applied to crops without causing any chemical damage comprising a mixture, which exerts excellent potentiating effects on various agricultural chemicals and has n of from 2 to 50 on the average and x1+y1+z1+x2+y2+z2+x3+y3+z3 of from 0 to 100 on the average, of compounds represented by the following general formula (I) and an agricultural chemical, wherein the weight ratio of the mixture to the agricultural chemical ranges from 0.1 to 20: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each represent a hydrogen atom or an acyl group having from 2 to 31 carbon atoms, --SO.sub.3 Na, --SO.sub.3 K, --SO.sub.3 H.N(C.sub.2 H.sub.4 OH).sub.3 or --SO.sub.3 H.NH(C.sub.2 H.sub.4 OH).sub.2 ;(EO).sub.x1, (EO).sub.x2 and (EO).sub.x3 each represent a polyoxyethylene chain;(PO).sub.y1, (PO).sub.y2 and (PO).sub.y3 each represent a polyoxypropylene chain;(BO).sub.z1, (BO).sub.z2 and (BO).sub.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: June 15, 1999
    Assignee: Kao Corporation
    Inventors: Yuichi Hioki, Kazuhiko Kurita, Tadayuki Suzuki, Toshikazu Azuma
  • Patent number: 5783535
    Abstract: The present invention relates to a detergent composition which comprises (A) an amidoether derivative mixture (A) comprising an amidoether carboxylic acid or a salt thereof, an amidoether, and a glycerin derivative; and (B) a conditioning component, wherein the total amount of the amidoether carboxylic acid or a salt thereof and the amidoether is 50 wt % or more; the weight ratio of the amidoether carboxylic acid or a salt thereof to the amidoether is from 99:1 to 10:90; and the amount of the glycerin derivative is 5 wt % or less.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: July 21, 1998
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5700772
    Abstract: A detergent composition, comprising (A) an amide-ether derivative mixture comprising an amide-ether carboxylic acid or a salt thereof (1) and an amide-ether (2) in a weight ratio (1)/(2) of 99:1 to 10:90 in a proportion of at least 50 wt.% in total based on solids in the component (A), and containing glycerol derivatives (3) in a proportion not higher than 5 wt.% of the solids, and (B) an amphoteric surfactant. ##STR1## wherein R.sup.1 is a C.sub.5-23 alkyl or alkenyl group, or a phenyl group substituted by such an alkyl group, R.sup.2 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, M is a cation such as H or alkali metal, n and m are independently a number of 1-20, R.sup.3 is H, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, and R.sup.4 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM or --(CH.sub.2 CH.sub.2 O).sub.m H. The composition has low irritativeness and high foamability, and produce creamy foams.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: December 23, 1997
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5693605
    Abstract: A detergent composition, comprising (A) an amide-ether derivative mixture comprising an amide-ether carboxylic acid or a salt thereof (1) and an amide-ether (2) in a weight ratio (1)/(2) of 99:1 to 10:90 in a proportion of at least 50 wt. % in total based on solids in the component (A), and containing glycerol derivatives (3) in a proportion not higher than 5 wt. % of the solids, and (B) a specific anionic surfactant such as a polyoxyalkylene alkyl ether sulfosuccinate (salt) or .alpha.-olefinsulfonic acid (salt). ##STR1## wherein R.sup.1 is a C.sub.5-23 alkyl or alkenyl group, or a phenyl group substituted by such an alkyl group, R.sup.2 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, M is a cation such as H or alkali metal, n and m are independently a number of 1-20, R.sup.3 is H, --(CH.sub.2 CH.sub.2 O).sub.m H or C.sub.1-3 alkyl group, and R.sup.4 is H, --(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOM or --(CH.sub.2 CH.sub.2 O).sub.m H.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: December 2, 1997
    Assignee: Kao Corporation
    Inventors: Kazuo Isobe, Toshikazu Azuma, Hideyo Nishikawa, Takashi Imamura
  • Patent number: 5587353
    Abstract: Kits comprising an agricultural chemical composition which can be safely applied to crops without causing any chemical damage; comprising a mixture, which exerts excellent potentiating effects on various agricultural chemicals, of compounds represented by the following general formula (I) and having (n1+n2+n3) and (n4+n5+n6) each being a number of 0 to 100 on the average, and an agricultural chemical, wherein the weight ratio of the mixture to the agricultural chemical ranges from 0.1 to 50: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent a straight-chain or branched alkyl, alkenyl or hydroxyalkyl group having from 1 to 30 carbon atoms.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 24, 1996
    Assignee: KAO Corporation
    Inventors: Yuichi Hioki, Kazuhiko Kurita, Keiko Kawabata, Toshikazu Azuma
  • Patent number: 5462912
    Abstract: An agricultural chemical composition which can be safely applied to crops without causing any chemical damage; comprising a mixture, which exerts excellent potentiating effects on various agricultural chemicals, of compounds represented by the following general formula (I) and having (n1+n2+n3) and (n4+n5+n6) each being a number of 0 to 100 on the average, and an agricultural chemical, wherein the weight ratio of the mixture to the agricultural chemical ranges from 0.1 to 50: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent a straight-chain or branched alkyl, alkenyl or hydroxyalkyl group having from 1 to 30 carbon atoms.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: October 31, 1995
    Assignee: Kao Corporation
    Inventors: Yuichi Hioki, Kazuhiko Kurita, Keiko Kawabata, Toshikazu Azuma