Patents by Inventor Osamu Tachizawa

Osamu Tachizawa 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).

  • Publication number: 20040156810
    Abstract: Provided is an aqueous cleansing comprising 5 to 30 wt.
    Type: Application
    Filed: December 9, 2003
    Publication date: August 12, 2004
    Applicant: KAO CORPORATION
    Inventors: Osamu Tachizawa, Hiroyuki Terazaki
  • Patent number: 6359032
    Abstract: The present invention provides a polymer emulsion which contains polymer particles having an average particle size of not more than 30 &mgr;m and having core-parts and shell-parts; which is composed of chitosan (a) and a polymer (b) of organic acids having a reactive vinyl group or a salt thereof, as constituent component of shell-part, and composed of a polymer (c) of hydrophobic monomers, as constituent component of core-part. Further, the present invention provides a coloring agent particle comprising a polymer particle in the above-mentioned polymer emulsion; and wherein a coloring material (k) is present in the shell-part and/or core-part. Furthermore, the present invention provides a deodorizing fiber wherein a polymer particle in the above-mentioned polymer emulsion is present on the surface of the fiber.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: March 19, 2002
    Assignee: Kao Corporation
    Inventors: Kazuo Kuwahara, Yoshihiro Hasebe, Akira Akaogi, Tsuneo Yasumura, Toshie Takahashi, Osamu Tachizawa, Eiji Terada
  • Publication number: 20010053803
    Abstract: The present invention provides a polymer emulsion which contains polymer particles having an average particle size of not more than 30 &mgr;m and having core-parts and shell-parts; which is composed of chitosan (a) and a polymer (b) of organic acids having a reactive vinyl group or a salt thereof, as constituent component of shell-part, and composed of a polymer (c) of hydrophobic monomers, as constituent component of core-part.
    Type: Application
    Filed: January 9, 2001
    Publication date: December 20, 2001
    Applicant: KAO CORPORATION
    Inventors: Kazuo Kuwahara, Yoshihiro Hasebe, Akira Akaogi, Tsuneo Yasumura, Toshie Takahashi, Osamu Tachizawa, Eiji Terada
  • Patent number: 6252003
    Abstract: The present invention provides a polymer emulsion which contains polymer particles having an average particle size of not more than 30 &mgr;m and having core-parts and shell-parts; which is composed of chitosan (a) and a polymer (b) of organic acids having a reactive vinyl group or a salt thereof, as constituent component of shell-part, and composed of a polymer (c) of hydrophobic monomers, as constituent component of core-part. Further, the present invention provides a coloring agent particle comprising a polymer particle in the above-mentioned polymer emulsion; and wherein a coloring material (k) is present in the shell-part and/or core-part. Furthermore, the present invention provides a deodorizing fiber wherein a polymer particle in the above-mentioned polymer emulsion is present on the surface of the fiber.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: June 26, 2001
    Assignee: Kao Corporation
    Inventors: Kazuo Kuwahara, Yoshihiro Hasebe, Akira Akaogi, Tsuneo Yasumura, Toshie Takahashi, Osamu Tachizawa, Eiji Terada
  • Patent number: 5985794
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a specific quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: November 16, 1999
    Assignee: KAO Corporation
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
  • Patent number: 5851982
    Abstract: To provide a liquid softener composition which is satisfactory in respects of softening effect, storage stability and water absorption properties, is excellent in biodegradability and is gentle with the environment. A liquid softener composition comprising 3 to 40% by weight of a quaternary ammonium salt (7-I) and water ##STR1## wherein R.sup.1 represents C.sub.20 -C.sub.44 alkyl or alkenyl group; R.sup.2, R.sup.3, and R.sup.4 are the same of different from each other and are C.sub.1 -C.sub.5 alkyl or hydroxyalkyl group; Y represents C.sub.2 -C.sub.4 alkylene group; m is a number of 0 to 20; n is an integer of 1 to 6; and X.sup.- represents an anion group.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: December 22, 1998
    Assignee: Kao Corporation
    Inventors: Yuushi Sakata, Junichi Inokoshi, Osamu Tachizawa, Tohru Katoh, Uichiro Nishimoto, Yasuki Ohtawa, Akira Sakaguchi, Kohshiroh Sotoya, deceased, Noriko Yamaguchi
  • Patent number: 5728649
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a specific quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 17, 1998
    Assignee: Kao Corporation
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
  • Patent number: 5696070
    Abstract: A liquid softener composition comprising a quaternary ammonium salt represented by the general formula (1) and a method for its preparation: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are an alkyl group or hydroxyalkyl group of 1 to 4 carbon atoms, R.sup.4 and R.sup.5 are an unsubstituted or hydroxyl group-substituted linear or branched alkyl group or alkenyl group of 8 to 36 carbon atoms, A is a linear or branched alkylene group of 2 or 3 carbon atoms, X is an anion group, n is an integer in the range of 1 to 6, and m is a numeral in the range of 0 to 20.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: December 9, 1997
    Assignee: Kao Corporation
    Inventors: Osamu Tachizawa, Akira Sakaguchi, Tohru Katoh, Kohshiro Sotoya, deceased, Noriko Yamaguchi, Junichi Inokoshi, Muneo Aoyagi
  • Patent number: 5580481
    Abstract: To provide an aqueous fabric softener composition, which is excellent in softening performance, elasticity and storage stability, and a quaternary ammonium salt which is useful as a softening base of this composition and nondetrimental to the natural environment because of its excellent biodegradability, and a process for the preparation of this salt.The aqueous fabric softener composition of the present invention comprises from 8 to 40% by weight of a quaternary ammonium salt represented by the following formula (I), a quaternary ammonium salt represented by the following formula (II) or a mixture thereof, and water: ##STR1## wherein R.sup.1 and R.sup.2 represent each a C.sub.1-4 alkyl group, etc.; R.sup.3 and R.sup.4 represent each a C.sub.7-35 alkyl group, etc.; and X.sup.- represents an anion group; and ##STR2## wherein R.sup.5 and R.sup.6 represent each a C.sub.1-4 group, etc.; R.sup.7 and R.sup.8 represent each a C.sub.1-5 alkylene group, etc.; R.sup.9 and R.sup.10 represent each a C.sub.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: December 3, 1996
    Assignee: Kao Corporation
    Inventors: Yushi Sakata, Junichi Inokoshi, Tohru Katoh, Osamu Tachizawa, Uichiro Nishimoto, Yasuki Ohtawa, Masaaki Yamamura
  • Patent number: 5563111
    Abstract: A method for enhancing the effectiveness of an agricultural chemical which comprises incorporating a specific enhancer into a diluted solution of the agricultural chemical.The specific enhancer is a quaternary ammonium salt or a amine.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: October 8, 1996
    Assignee: Kao Corporation
    Inventors: Yuichi Hioki, Keiko Hasebe, Tadayuki Suzuki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Kohshiro Sotoya, Keiichiro Tomioka, Uichiro Nishimoto, Yoshifumi Nishimoto, Yasuki Ohtawa
  • Patent number: 5538937
    Abstract: A method for enhancing an efficacy of an agricultural chemical which comprises incorporating a quaternary ammonium enhancer into a diluted solution of the agricultural chemical.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 23, 1996
    Inventors: Keiko Hasebe, Yuichi Hioki, Osamu Tachizawa, Takeshi Tomifuji, Tohru Katoh, Uichiro Nishimoto, Yoshifumi Nishimoto, Kohshiro Sotoya
  • Patent number: 5476597
    Abstract: To provide an aqueous fabric softener composition, which is excellent in softening performance, elasticity and storage stability, and a quaternary ammonium salt which is useful as a softening base of this composition and nondetrimental to the natural environment because of its excellent biodegradability and a process for the preparation of this salt.The aqueous fabric softener composition of the present invention comprises from 3 to 40% by weight of a quaternary ammonium salt represented by the following formula (I), and water: ##STR1## wherein R.sup.1 and R.sup.2 represent each a C.sub.1-4 alkyl group, etc.; R.sup.3 and R.sup.4 represent each a C.sub.7-35 alkyl group, etc.; and X.sup.- represents an anion group.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: December 19, 1995
    Assignee: Kao Corporation
    Inventors: Yushi Sakata, Junichi Inokoshi, Tohru Katoh, Osamu Tachizawa, Uichiro Nishimoto, Yasuki Ohtawa, Masaaki Yamamura
  • Patent number: 5284602
    Abstract: An N-(N'-long chain acyl-.beta.-alanyl)-.beta.-alanine represented by formula (1): ##STR1## wherein R represents a straight-chain or branched-chain alkyl or alkenyl group having from 7 to 23 carbon atoms; and M represents a hydrogen atom, an alkali metal, an ammonium, an alkylammonium, an alkanolammonium or a basic amino acid;or its salt and a detergent composition containing the same are disclosed.The detergent composition of the present invention is excellent in foaming power and gives a good feel after washing.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: February 8, 1994
    Assignee: Kao Corporation
    Inventors: Osamu Tachizawa, Masayo Kawaguchi, Kohshiro Sotoya
  • Patent number: 5282983
    Abstract: An aqueous fabric softener composition is disclosed, which comprises water and, as a softener new material, an ammonium salt obtained by neutralizing the following Compound (A):(A) a di-long chain type tertiary amine compound containing one ##STR1## group in which R represents an alkyl or alkenyl group containing from 11 to 21 carbon atom, one CONH group and one alkyl or alkenyl group containing from 11 to 22 carbon atomswith the following Compound (B):an inorganic acid or an organic acid containing from 1 to 6 carbon atoms,or quaternizing Compound (A), or a mixture of the ammonium salt obtained by neutralizing Compound (A) with Compound (B) and the ammonium salt obtained by quaternizing Compound (A). An ammonium salt obtained by neutralizing or quaternizing Compound (A) is also disclosed. The fabric softener composition of the present invention imparts the sufficient softness, the antistaticity and the resiliency (fluffy feeling) to clothes of various fibers.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: February 1, 1994
    Assignee: Kao Corporation
    Inventors: Masaaki Yamamura, Junichi Inokoshi, Kazutaka Shiratsuchi, Toru Hayase, Uichiro Nishimoto, Koshiro Sotoya, Tohru Katoh, Yoshifumi Nishimoto, Osamu Tachizawa
  • Patent number: 5167709
    Abstract: A pigment consisting of a polyvalent metal salt of an amidosulfonic acid represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a straight-chain or branched alkyl, alkenyl or hydroxyalkyl group each having 7 to 21 carbon atoms;R.sup.2 represents a hydrogen atom or a methyl group;X represents an ethylene group, a propylene group or a ##STR2## M represents a polyvalent metal atom; m represents the valence of M: andn is an integer of from 1 to 4; anda pigment consisting of a polyvalent metal salt of an acylated amino acid represented by the following general formula (II): ##STR3## wherein R.sup.1 represents a straight-chain or branched alkyl, alkenyl or hydroxyalkyl group each having 7 to 21 carbon atoms;y represents a number selected from among 1, 2, 3, 4, 5, 10, and 11;M represents a polyvalent metal atom;m represents the valence of M: andn is an integer of from 1 to 4;as well as cosmetic compositions containing these pigments are disclosed.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: December 1, 1992
    Assignee: Kao Corporation
    Inventors: Ryutaro Shinohara, Toshio Nozaki, Osamu Tachizawa