Patents Assigned to Kao Soap Co., Ltd.
  • Patent number: 4410694
    Abstract: Carboxymethyl cellulose fibers are manufactured by reacting a starting cellulose with an alkaline solution containing an etherifying agent dissolved therein while the cellulose is filled in a reactor and the solution is circulating by a pump so as to come into continuous contact with the cellulose.
    Type: Grant
    Filed: March 4, 1982
    Date of Patent: October 18, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Mutsuo Nakayama, Hiromi Yamaguchi, Harumasa Yamasaki
  • Patent number: 4402936
    Abstract: A preshampoo-type, hair-treating composition comprising a polymer having a cyclic cationic group, and optionally containing a peptide having a molecular weight of 300 to 10,000.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: September 6, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Takeo Okumura, Hiroshi Ando
  • Patent number: 4395364
    Abstract: A detergent composition comprising a sulfonate-type surface active agent and an alkyl ether sulfate containing oxypropylene and/or oxybutylene units in the molecule.
    Type: Grant
    Filed: April 14, 1982
    Date of Patent: July 26, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Moriyasu Murata, Kenji Okahashi
  • Patent number: 4392951
    Abstract: A screen filter comprising a plurality of rollers arranged in parallel, spaced relationship with a plurality of carriers positioned between the rollers with the axes of the carriers parallel to the axes of the rollers. An endless wire is wound spirally over the rollers and engages the surfaces of the carriers so as to form a screen. A driving means engages at least one of the rollers for driving the endless wire. The raw material to be screened is deposited onto the screen.
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: July 12, 1983
    Assignee: Kao Soap Co. Ltd.
    Inventors: Toshiyuki Omori, Kunihiro Abe
  • Patent number: 4387211
    Abstract: A new polyester resin is produced by condensation polymerization of (a) a diol component of the formula: ##STR1## wherein R.sup.1 is an alkylene group of 2 to 4 carbon atoms; and x and y are positive integers, the sum of them being 2 to 16 on an average, and (b) an acid component of polybasic (at least dibasic) carboxylic acid, anhydride thereof, and lower alkyl ester thereof, said acid component (b) containing 1 to 50 mol % of a dibasic carboxylic acid or anhydride thereof of the formula: ##STR2## where R.sup.2 and R.sup.3 are saturated or unsaturated hydrocarbon groups of 4 to 20 carbon atoms and 10 to 30 mol % of trimellitic acid or anhydride thereof. The polyester has improved toughness, abrasion resistance and flexibility.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: June 7, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Shinichiro Yasuda, Eiji Morimoto, Atsushi Sonobe
  • Patent number: 4385903
    Abstract: An aqueous slurry of a water-insoluble or slightly water-soluble metal hydroxide can be effectively filtrated and dehydrated by adding an anionic surfactant of the following formula (I):R--O--AO--.sub.n X (I)wherein R represents an alkyl or alkenyl group of 8-24 carbon atoms, A represents an alkyene group of 2-4 carbon atoms, X represents SO.sub.3 M (M being H, K, Na or NH.sub.4), PO.sub.3 M (M being K or Na) or CH.sub.2 COOM (M being K or Na), and n represents an interger of 1-100,to the aqueous slurry of the metal hydroxide or to the washing water.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: May 31, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Noboru Moriyama, Takeshi Inoue
  • Patent number: 4381247
    Abstract: An enzyme-containing bleaching composition is disclosed containing an inorganic peroxide, an enzyme, and one or more anhydrous salts selected from the group consisting of anhydrous sodium citrate, anhydrous magnesium sulfate, anhydrous calcium chloride and anhydrous zinc sulfate.
    Type: Grant
    Filed: October 20, 1981
    Date of Patent: April 26, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Yunosuke Nakagawa, Shoichiro Aramatsu
  • Patent number: 4381259
    Abstract: A liquid hair shampoo which comprises a shampoo base of surfactant effective for washing hair, 0.1 to 2.5 wt. % of anionic phosphoric acid ester surface active agent and 0.05 to 2.5 wt. % of a cationic polymer effective for conditioning hair.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: April 26, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Itomi Homma, Noriko Okada
  • Patent number: 4378345
    Abstract: The specification describes a hair setting composition comprising as an effective component polyethylene glycol having an average molecular weight of 6,000-30,000. It also describes a hair setting composition comprising as effective components the following ingredients: (A) polyethylene glycol having an average molecular weight of 6,000-30,000 and (B) a divalent or trivalent metal salt of pyrrolidonecarboxylic acid and/or a polyoxyalkylene-added silicone oil. Such hair setting compositions may be formulated into an aerosol type or lotion or pump spray type and facilitates long-lasting hair styling without damaging hair.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: March 29, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Takeo Okumura, Hiroshi Ando
  • Patent number: 4376177
    Abstract: A fabric sizing composition comprising a copolymer of a vinyl monomer and an unsaturated carboxylic acid copolymerizable therewith, together with a cationic polymer which is added during or after formation of the copolymer.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: March 8, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Kinjiro Matsunaga, Kozo Ohira, Yunosuke Nakagawa
  • Patent number: 4374056
    Abstract: A low irritating detergent composition comprises an amphoteric surface active agent of the amideamine type having the formula (1): ##STR1## wherein R.sub.1 is an alkyl or alkenyl group having 6 to 20 carbon atoms, R.sub.2 is H, or C.sub.2 H.sub.4 OH, R.sub.3 is H, C.sub.2 H.sub.4 OH or C.sub.2 H.sub.4 CO.sub.2 M, R.sub.4 is H, C.sub.2 H.sub.4 OH or C.sub.2 H.sub.4 CO.sub.2 M, and M is H, an alkali metal, ammonium or organic ammonium,and mixing the amphteric surfactant of the formula (1) with one or more of another surfactants.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: February 15, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Hiroshi Watanabe, Hajime Hirota
  • Patent number: 4373043
    Abstract: A color deepening agent comprises (a) an aqueous resin composition obtained by polymerizing a monomer having a polymerizable unsaturated bond, in the presence of a polyurethane emulsion having a thermosetting reactivity, the refractive index of a dry film of said aqueous resin composition being lower than 1.50, and (b) at least one compound selected from the group consisting of silicon compounds and fluorine compounds.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: February 8, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Kazuhisa Yagi, Sho Suzuki, Norihiko Nakashima
  • Patent number: 4373053
    Abstract: A color deepening agent comprises an aqueous resin composition obtained by polymerizing a monomer having a polymerizable unsaturated bond, in the presence of a polyurethane emulsion having a thermosetting reactivity, the refractive index of a dry film of said aqueous resin composition being lower than 1.50.
    Type: Grant
    Filed: July 21, 1981
    Date of Patent: February 8, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Toshio Sato, Sho Suzuki, Hidemasa Ohmura
  • Patent number: 4369037
    Abstract: Cationic keratin derivatives which are obtained by reacting a part or whole of functional groups of keratin with a cationizing agent which contains in the molecule thereof a specific type of a group or groups and a quaternary nitrogen atom. The process for preparing such derivatives and a variety of cosmetics containing the same are also described.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: January 18, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Kinjiro Matsunaga, Takeo Okumura, Rikio Tsushima
  • Patent number: 4369134
    Abstract: A creamy cleansing composition comprises the following four components: (A) one or more phosphoric ester surfactants, (B) an organic or inorganic salt, (C) polyethylene glycol and (D) an ethylene oxide addition type non-ionic surface active agent or a cationic surface active agent. The cleansing composition is gentle to the skin or hair, and stable without separation for a long period of time.
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: January 18, 1983
    Assignee: Kao Soap Co., Ltd.
    Inventors: Katsuhiko Deguchi, Masatoshi Arisawa, Atsuo Ishida, Katsuaki Ooshima
  • Patent number: 4369057
    Abstract: A plant growth regulating composition comprising the choline salt of 6-hydroxy-3(2H)-pyridazinone and, as adjuvants, a polyoxyethylene oleyl ether and a triethanolamine alkyl-sulfate. The composition according to this invention can be prepared at a lower production cost and is easy to apply. When applied, it exhibits low toxity, and good penetration and transferability.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: January 18, 1983
    Assignees: Kao Soap Co., Ltd., Japan Hydrazine Company, Inc.
    Inventors: Tsuneyuki Takeno, Tetsuji Iwasaki, Shiro Hojo, Eiichi Kimura
  • Patent number: 4364985
    Abstract: A porous sheet is disclosed that comprises a thin, flexible sheet made of thermoplastic resin having solid particles distributed therein. Small spaces are formed around the particles, such that abrasion or buffing of the opposite surfaces of the sheet causes the formation of a multitude of fine pores that extend through the sheet, making the sheet vapor-permeable but liquid-impermeable.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: December 21, 1982
    Assignee: Kao Soap Co., Ltd.
    Inventors: Mitsuru Tokuyama, Kenji Ohki, Masayuki Sagae, Kaoru Tsujii
  • Patent number: 4364992
    Abstract: An absorbent article comprising an upper, first, absorbing layer formed so that its density under a load of 35 g/cm.sup.2 is lower than 0.045 g/cm.sup.3 both in the dry state and in the wet state and the weight per square meter is 15 to 50 g, and a lower, second, absorbing layer having a super water-absorbing polymer fixed thereto.
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: December 21, 1982
    Assignee: Kao Soap Co., Ltd.
    Inventors: Osamu Ito, Kazunori Nishizawa
  • Patent number: 4362159
    Abstract: A tampon comprising an absorbent formed by compression molding of fibers having (A) a dry strength of at least 4.0 g/d (grams/denier), (B) a wet strength of at least 3.0 g/d, (C) a wet strength at a 5% elongation of at least 1.0 g/d, and (D) a wet elongation lower than 3.0% under a load of 0.5 g/d.
    Type: Grant
    Filed: October 7, 1981
    Date of Patent: December 7, 1982
    Assignee: Kao Soap Co., Ltd.
    Inventors: Akira Sakurai, Hiroshi Mizutani
  • Patent number: 4357938
    Abstract: A disposable diaper comprising a water-absorbing layer located between a liquid-permeable surface sheet and a liquid-impermeable backing sheet, wherein water-absorbing shrinkable fibers, which shrink in the direction of the fiber length and are rendered elastic on absorption of water, are fixed to and extend along the central portion in the lengthwise direction of the disposable diaper in such a manner that the water-absorbing shrinkable fibers are not placed on top of the water-absorbing layer, and wherein means is provided so that the water-absorbing shrinkable fibers become wetted when the diaper is wetted, said water-absorbing shrinkable fibers exhibiting a percent shrinkage of at least 15% and a shrinking force of at least 100 g when said fibers are wetted.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: November 9, 1982
    Assignee: Kao Soap Co., Ltd.
    Inventors: Osamu Ito, Harumasa Yamasaki, Kazunori Nishizawa