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Reaction of chlorosulfonic acid with alkoxylated alkyl phenols

  • US 3,313,838 A
  • Filed: 07/01/1963
  • Issued: 04/11/1967
  • Est. Priority Date: 07/01/1963
  • Status: Expired due to Term
First Claim
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1. A PROCESS WHICH COMPRISES ENERGETICALLY MIXING CHLOROSULFONIC ACID AND AN ALKOXYLATED ALKYL PHENOL UNDER A PRESSURE OF ABOUT 5-50 P.S.I.G AND WITH A POWER INPUT OF AT LEAST 2.5 WATER PER GRAM MINUTE WHILE REACTING SAID MATERIAL AND AGENT FOR A REACTION TIME OF ABOUT 1 TO 10 MINUTES, CONTROLLING THE REACTION TEMPERATURE TO KEEP IT BELOW ABOUT 60*C., THEN PASSING THE MIXTURE INTO A SEPARATION ZONE, ALLOWING THE REACTION TO SUBSIDE WHILE REMOVING VAPOROUS AND GASEOUS HCL THEREFROM AND RECOVERING A SUBSTANTIALLY UNCHANGED AND NON-DISCOLORED SULFONATED ALKOXYLATED ALKYL PHENOL.

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