The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 1979
Filed:
Dec. 16, 1976
Akira Kawakami, Sakura, JP;
Toshiaki Ogoshi, Funabashi, JP;
Yoshio Aoki, Tokyo, JP;
Masao Honda, Ichikawa, JP;
The Lion Fat & Oil Co., Ltd., Tokyo, JP;
Abstract
A process of manufacturing C.sub.10 -C.sub.20 .alpha.-olefin sulfonate solution of high concentration, which comprises subjecting .alpha.-olefin sulfonates having 10-20 carbon atoms to neutralization and hydrolysis in the presence of (a) an alkaline material equivalent to the sum (A+B) of an amount of alkali (A) necessary for performing neutralization and hydrolysis of said sulfonates stoichiometrically and an amount of alkali (B) equivalent to 0.2-1.5 times as much as said amount of alkali (A) by weight, (b) an alkylene oxide derivative and/or a polyvinyl alcohol equivalent to 0.2-2 times as much as said amount of alkali (B) by weight, and (c) water necessary for making the water content of the neutralization-hydrolysis product less than 50%.