Kao Corporation

Hiroyuki Saijo

Katsuhiko Deguchi

Kozo Saito

Hiromitsu Hayashi

Masaki Tosaka

Hirohiko Hanada

Hiroyuki Yamashita

Kazutoshi Ide

Haruki Kawano

Shu Yamaguchi

Teruo Kubota

Nobuyoshi Yamaguchi

Katsuhiko Kasai

Takeshi Ban

Taeko Sone

Toshiaki Ohi

Yutaka Hayakawa

Atsuhiko Kaji

Shinji Nakao

Ryozi Shiozaki

Toshiki Nishi

The present invention provides a laundry detergent sheet with significant improvements in solubility. That is, the invention provides a sheet of laundry detergent comprising a layer containing a detergent composition and a water-soluble substrate provided on both sides of the layer, wherein said layer comprises a water-soluble or disintegrating-in-water particle group, having an average particle diameter of 60 to 2000 &mgr;m, consisting of a particle group. The water-soluble or disintegrating-in-water particle group means less than 0.025 g of residue on a screen after 0.5 g of the particle group is introduced into 1 L water at 10&deg; C., stirred at a revolution rate of 800 rpm for 10 minutes, and sifted through a screen of 200 mesh size.

Article for use in washing in sheet form

The present invention relates to a granular detergent composition having easy measurability and distributivity suitable for spoon measurement, a bulk density thereof being 500 g/L or more, containing a surfactant, a water-insoluble inorganic compound and a water-soluble salt, wherein the granular detergent composition has a variance of powder dropping rate V of 1.0 or less, an inserting pressure P of 80 gf/cm or less, a &Dgr; dropping ratio D of 14% of les, and an index K of from 30 to 230, the index K being represented by the equation: K&equals;P&times;exp (0.135&times;D), wherein P stands for an inserting pressure (gf/cm), and D stands for a &Dgr; dropping ratio (%); and a process for preparing the same.

Granulated detergent composition

An economical sheetlike article for laundry whose flexibility is excellent, of which sprinkling and loss of the content are small and wherein a water-soluble substrate having a low basis weight is used. Thus, the present invention provides a sheetlike article for laundry in which a layer containing at least one composition selected from the group consisting of a detergent composition, a fiber softener composition and a bleaching agent composition, is connected with a water-soluble substrate on the both sides of the said layer, and of which the flexibility parameter calculated by a specific method is from 3 to 6.

Sheet-form laundering article

To provide a sheetlike article for laundry which is freed from the scattering or leak of the contents, facilitates arbitrary dispensing and exhibits excellent detergency even when used alone, sheetlike water-soluble substrates are arranged on both surfaces of a thin layer made of a doughy non-phosphate detergent composition which contains nonionic surfactant(s), alkaline agent(s) and sequestering agent(s) and has a penetration hardness at 25&deg; C. of from 0.1 to 10 kg/cm .

Sheetlike article for washing

This invention provides a liquid detergent composition comprising (A) a surface active agent, (B) a pearlescent agent, and (C) a viscosity modifier, which exhibits an opaque appearance and has a viscosity of 200-4,000 cps at 20.degree. C. bulk temperature and a Brookfield yield value of 5-100 p. This detergent composition can be squeezed from a container at a constant volume and can be perceived visually when applied onto a sponge without being soaked quickly into it so that it is not only economical since it prevents excess usage but also helps to prevent chapped hands or skin roughening.

Liquid detergent composition

A milky detergent composition for hard surfaces comprising the following components (a) and (b): (a) 1-50 wt. % of an alkylglycoside; and (b) 1-30 wt. % of one or more compounds selected from the group consisting of: (b-1) lipids selected from hydrocarbons, higher alcohols, fatty acids, waxes, cholesterol and cholesterol esters and having a melting point of 30.degree. C. or higher; (b-2) partial esters of aliphatic hydrocarbon polyols having a melting point of 30.degree. C. or higher and 2-9 carbon atoms with fatty acids having at least 13 carbon atoms on the average; and (b-3) partial ethers of aliphatic hydrocarbon polyols having a melting point of 30.degree. C. or higher and 2-9 carbon atoms with aliphatic hydrocarbons having at least 13 carbon atoms on the average the proportion of the component (b) to the component (a) ranging from 1/10 to 10/1 by weight, optionally containing at least one nitrogen-containing surfactant and/or an anionic surfactant.

Milky detergent composition for hard surfaces

A detergent composition comprising the components (a) and (b) specified below in a (b)/(a) weight ratio within the range of 1/300 to 1/2, and a detergent composition comprising the components (a) and (c) specified below in a (c)/(a) weight ratio within the range of 1/300 to 1/2:

Mild non-irritating alkyl glycoside based detergent compositions

A neutral liquid detergent composition is disclosed. The composition comprises: (a) 2-60% by weight of an alkyl glycoside; (b) 0.1-10% by weight of a nonionic surfactant having an HLB of less than 5; (c) 0.1-10% by weight of a nonionic surfactant having an HLB of not less than 5; and (d) 0.001-8% by weight of one or more water-soluble organic or inorganic salts. The composition exhibits reduced irritation and damage to the hair or the skin, and high foaming ability. It imparts a favorable feeling upon use. After washing, the detergent components can easily be rinsed off leaving the least amount of water on the washed tableware.

Neutral liquid detergent composition

A low irritant, mild detergent composition is disclosed. The detergent composition comprises, as essential components, (a) alkyl glycoside and (b) a specific type of dicarboxylic acid surface active agent at a specific ratio. The detergent composition is low irritant, has excellent foaming power and detergency, and yet is easily rinsed out and at the same time provides a pleasant feeling to the hands during use. It can be used as laundry detergents, dishwashing detergents, as well as detergents for use with household articles, and hair and body.

Mild detergent compositions containing alkylglycoside and dicarboxylic

Detergent compositions containing starch debranching enzymes

A low irritant, mild detergent composition is disclosed. The detergent composition comprises, as essential components, (a) alkyl glycoside, (b) a surface active agent containing sulfate and/or sulfonate group, (c) an amine oxide, and (d) an ethoxylated surface active agent at a specific ratio. The detergent composition is low irritant, has excellent foaming ability and detergency, and yet is easily rinsed out and at the same time provides a pleasant feeling to the hands during use. It can be used as laundry detergents, dishwashing detergents, as well as detergents for use with household products, and hair and body. Further, a detergent composition comprising (e) a terpene type hydrocarbon and (f) 3-isothiazolone or its derivative in addition to the above components (a)-(d) is more valuable in practical use owing to preventing solution color and odor from being deteriorated during storage for a prolonged period of time.

Mild alkyl glycoside-based detergent compositions, further comprising

A liquid cleanser composition comprises 1 to 20 percent by weight of a surfactant and 3 to 70 percent by weight of a water-insoluble abrasive of the interpenetrated crystalline aluminosilicate zeolite crystals, composed of at least 30 crystals formed into an aggregate.

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Utsunomiya, Japan

Hiroyuki Saijo