Kao Corporation

Showa Denko K.k.

Katsuhisa Inoue

Takeshi Kaharu

Tohru Katoh

Tetsuaki Fukushima

Masato Nomura

Makoto Saito

Tomoya Sato

Tadayuki Suzuki

Kohshiro Sotoya

Kazuhiko Kurita

Hiroshi Danjo

Kyoichi Shirota

Yasuyuki Mimura

Tsuyoshi Egawa

Takashi Ueda

Yoshio Hatayama

Satoru Kijima

Hidehito Ikebata

Haruka Yoshida

Hisato Fukuda

The present invention provides a method for producing a high quality cationic surfactant, which is prevented from smelling and coloring, and has favorable storage stability. The production method includes the following step 1, step 2, step 3, and step 4:

Method for producing cationic surfactant

The present invention provides a novel quaternary ammonium salt compound that is excellent in atomization of a pigment dispersion and storage stability, a dispersant containing the quaternary ammonium salt compound, a use of the quaternary ammonium salt compound, and a process for producing the quaternary ammonium salt compound. The present invention relates to [1] a quaternary ammonium salt compound represented by the general formula (I); [2] a dispersant containing the compound of the above [1]; [3] a use of the compound of the above [1] for dispersing a pigment; and [4] a process for producing a quaternary ammonium salt compound represented by the general formula (I), including a step of reacting a halogenated alkyl ester compound represented by the general formula (II) with a polyamine compound represented by the general formula (III).

Quaternary ammonium salt compound

The present invention relates to the detergent composition, containing (a) a nonionic surfactant represented by the formula (1); and (b) a sulfuric acid ester salt represented by the formula (2):R&#x2014;O-(EO)&#x2014;(PO)-(EO)&#x2014;H&#x2003;&#x2003;(1)wherein, R represents a hydrocarbon group having 6 to 24 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m=0.1 to 25; m'=0 to 24.9; m+m&#x2032;=0.5 to 25; and n=0.1 to 10; with the proviso that (EO), (PO), and (EO)are arranged in a block addition mode in this order;R&#x2014;O&#x2014;(PO)-(EO)&#x2014;SOM&#x2003;&#x2003;(2)wherein, Rrepresents a hydrocarbon group having 6 to 24 carbon atoms; x=0.1 to 10; y=0 to 30; (PO)and (EO)are arranged in any order in any addition mode, being a block addition or a random addition, M is a counter ion.

Detergent composition

The present invention provides the nonionic surfactant represented by the formula (1):R&#x2014;O&#x2014;(PO)-(EO)&#x2014;H&#x2003;&#x2003;(1)wherein, R represents a saturated linear-chain hydrocarbon group having 8 to 18 carbon atoms, and n-octyl groups are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups, n-decyl groups are 0 to 10% by mole of the saturated linear-chain hydrocarbon groups, and saturated linear-chain hydrocarbon groups having 12 to 18 carbon atoms are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups; PO represents a propyleneoxy group; EO represents an ethyleneoxy group; m represents an average addition mole number of propyleneoxy groups ranging from 0.1 to 5; n represents an average addition mole number of ethyleneoxy groups ranging from 0.5 to 20; and (PO)and (EO)are bonded as blocks in this order.

Nonionic surfactant and surfactant composition comprising the same

The present invention relates to a hair treating agent containing (a) an organic acid represented by the formula (1), an organic acid represented by the formula (2) or their salts and (b) a quaternary ammonium salt, a tertiary amine or a salt thereof: 

Hair treating agent

The present invention relates to a quaternary ammonium salt composition containing (a) a quaternary ammonium salt represented by the following general formula (1), (b) a specific tertiary amine and (c) an organic acid ester in specific mass ratios which is excellent in hue and storage stability, a process for producing the quaternary ammonium salt composition, and a wood preservative containing the quaternary ammonium salt composition. 

Quaternary ammonium salt compositions

The invention relates to a hair cosmetic composition comprising amideamine (I) and aliphatic alcohol (II): 

Hair cosmetic composition

A hair cosmetic which can impart, to hairs, flexibility, smoothness and oily feeling when the hairs are wetted and smoothness, softness and combing easiness after the hairs are dried are provided, the hair cosmetic comprising an amine represented by the formula (I): Formula (I) (wherein Rrepresents a Calkyl group or alkenyl group or a group represented by the formula RO-(AO)&#x2014;CH&#x2014;(Rrepresents a Calkyl group or alkenyl group having 8 to 40 carbon atoms, A represents a Calkylene group, n denotes a number from 0 to 30 in average and m denotes an integer of 2 or 3), Rrepresents a Calkylene group, Rrepresents H, a Calkyl group, alkenyl group or hydroxyalkyl group or a Caryl group or arylalkyl group, Rrepresents H, a Calkyl group, alkylene group or hydroxyalkyl group or a Caryl group or arylalkyl group, p denotes an integer from 1 to 3, q and r denote integers from 0 to 2 and p+q+r is equal to 3. Also, the amine (I) can be produced with high selectivity and highly economically by reacting a primary amine with an aminocarboxylic acid to run amidation. An amine represented by the formula (1), its salt or quaternary ammonium salt are also provided:Formula (1) 

Hair cosmetic, aminocarboxylic acid amide and method for producing the same

A hair cosmetic which can impart, to hairs, flexibility, smoothness and oily feeling when the hairs are wetted and smoothness, softness and combing easiness after the hairs are dried are provided, the hair cosmetic comprising an amine represented by the formula (I): (wherein Rrepresents a Calkyl group or alkenyl group or a group represented by the formula RO-(AO)&#x2014;CH&#x2014;(Rrepresents a Calkyl group or alkenyl group having 8 to 40 carbon atoms, A represents a Calkylene group, n denotes a number from 0 to 30 in average and m denotes an integer of 2 or 3), Rrepresents a Calkylene group, Rrepresents H, a Calkyl group, alkenyl group or hydroxyalkyl group or a Caryl group or arylalkyl group, Rrepresents H, a Calkyl group, alkylene group or hydroxyalkyl group or a Caryl group or arylalkyl group, p denotes an integer from 1 to 3, q and r denote integers from 0 to 2 and p+q+r is equal to 3. Also, the amine (I) can be produced with high selectivity and highly economically by reacting a primary amine with an aminocarboxylic acid to run amidation. An amine represented by the formula (1), its salt or quaternary ammonium salt are also provided: 

An aqueous high-concentration solution of N,N-dialkylglycine, economical, easy to handle, and useful for subsequent organic chemical reactions, is provided. Also is provided a process for production thereof. The aqueous high-concentration solution of N,N-dialkylglycine which contains the N,N-dialkylglycine at a concentration of 30&#x2013;80% by mass, and a metal-mineral acid salt at a content of 0.3&#x2013;3% by mass can be produced industrially from an aqueous N,N-dialkylglycine alkali metal salt as the source material by the steps of

Growing community of inventors

Wakayama, Japan

Katsuhisa Inoue