Lion Corporation

The Lion Fat and Oil Co. Ltd.

Akira Hayashi

Kyozo Kitano

Hideo Ando

Toshiaki Ogoshi

Haruo Ohkouchi

Tetsuo Tano

Yoshio Acki

A high concentration slurry of olefin sulfonates containing at least 50% by weight of internal olefin sulfonates having a low viscosity is prepared by incorporating thereinto (i) at least one hydrocarbon selected from the group consisting of paraffins, olefins, and aromatic hydrocarbons having 6 to 24 carbon atoms and (ii) 1% to 40% by weight of water.

High concentration surfactant slurry

An odorless polyoxyethylene alkyl ether sulfate concentrate having a concentration of about 85 wt. % or more can be obtained by treating a polyoxyethylene alkyl ether sulfate aqueous solution having a concentration of about 60-80 wt. % under reduced pressure and at a temperature of 50.degree.-130.degree. C.

Process for preparing odorless alkyl ether sulfate concentrates

A liquid detergent composition is provided which contains, based on the total weight of the composition, 5-40 wt. % of an anionic surface active agent, 1-10 wt. % of an amine oxide, 0.5-5 wt. % of an alkali metal halide and 0.04-1.5 wt. % of at least one inorganic salt selected from sulfites, phosphates and thiosulfates. The liquid detergent composition does not corrode a manufacturing apparatus and is excellent in detergency and is mild to the skin.

Amine oxide-and alkali metal chloride-containing non-corrosive liquid

A process for manufacturing a highly concentrated sulfate solution or slurry which comprises neutralizing a sulfuric ester of higher alcohol or its ethoxylate with an aqueous caustic alkali solution, thereby preparing a crude neutralization product containing the sulfate in the range of from 45 wt. % to 55 wt. % and the caustic alkali in the range of from 1.5 wt. % to 3.5 wt. % and having a viscosity less than 50 poise; and commingling the resulting crude neutralization product with the sulfuric ester in the range of from 30 parts by weight to 100 parts by weight per 100 parts by weight of the crude neutralization product and a highly concentrated caustic alkali solution capable of sufficiently neutralizing the sulfuric ester, thereby reducing the quantity of sulfate contained in the resulting mixture in the range of from 60 wt. % to 75 wt. % and the quantity of caustic alkali contained therein less than 0.5 wt. % of the quantity of sulfate.

Process for manufacturing a highly concentrated sulfate solution or

Disclosed is a process for producing a clear aqueous solution of the magnesium salt of an olefin sulfonic acid by (i) sulfonating an olefin with an gaseous sulfur trioxide, (ii) neutralizing the resulting sulfonated olefin with an inorganic alkali consisting of magnesium hydroxide and/or oxide and an organic amine selected from water-soluble alkanol amines in specified amounts and, then, (iii) heating the neutralized mixture at a pH of from 6.0 to 8.0. Thus, a clear aqueous solution of the magnesium salt of an olefin sulfonic acid having no bad odor and no color deterioration can be obtained.

Growing community of inventors

Sakura, Japan

Akira Hayashi