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1.发明授权Process for the manufacture of aqueous alkali paraffin sulphonate solutions containing small amounts of alkali sulfate 失效含有碱性硫酸钠的小块水溶液的碱性碱性磷酸盐溶液的制备方法
公开(公告)号：US3577456A
公开(公告)日：1971-05-04
申请号：US3577456D
申请日：1968-02-16
Applicant: HOECHST AG
Inventor： KLEINER HANS-JERG , REHN KARL
IPC: B01F17/02 , C07C303/42 , C07C143/02 , C07C139/14
CPC classification number: C07C303/42 , Y10S516/03
Abstract: AN AQUEOUS SOLUTION OF ALKALI PARAFFIN SULPHONATES HAVING A LOW CONTENT OF ALKALI SULPHATE IS OBTAINED FROM SULPHOXIDATION PRODUCTS BY SEPARATING THE MAIN PART OF THE HYDROTROPICALLY DISSOLVED PARAFFIN BY ADDITION OF A LOW MOLECULAR ALCOHOL, NEUTRALIZING THE AQUEOUS-ALCOHOLIC SOLUTION WITH AN ALKALI AND SEPARATING THE PRECIPITATED ALKALI SULPHATE.
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