CA2040451A1 - Process for preparing soap-acyl isethionate compositions - Google Patents

Process for preparing soap-acyl isethionate compositions

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Publication number
CA2040451A1
CA2040451A1 CA2040451A CA2040451A CA2040451A1 CA 2040451 A1 CA2040451 A1 CA 2040451A1 CA 2040451 A CA2040451 A CA 2040451A CA 2040451 A CA2040451 A CA 2040451A CA 2040451 A1 CA2040451 A1 CA 2040451A1
Authority
CA
Canada
Prior art keywords
caustic solution
batch
acyl isethionate
addition
added
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2040451A
Other languages
French (fr)
Other versions
CA2040451C (en
Inventor
Yuriy O. Kutny
Frederick S. Osmer
Joseph J. Podgorsky
David A. Richardson
Karla J. Rys
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Original Assignee
Unilever PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU74125/91A external-priority patent/AU643767B2/en
Application filed by Unilever PLC filed Critical Unilever PLC
Priority to CA002040451A priority Critical patent/CA2040451C/en
Publication of CA2040451A1 publication Critical patent/CA2040451A1/en
Application granted granted Critical
Publication of CA2040451C publication Critical patent/CA2040451C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A batch and continuous process is disclosed for the production of a composition comprising alkali metal salts of C8-C22 alkyl fatty monocarboxylic acid and C8-C22 acyl isethionate in a ratio of 20:1 to 1:0.98. Both batch and continuous routes require that the saponifying aqueous caustic solution includes sodium hydroxide and sodium isethionate added as a hot solution. For the batch route, the sequence of steps requires the caustic solution to be added slowly to the fatty acid. In the continuous process, it is advantageous to introduce fatty acid upstream from the point where the caustic solution stream enters the mixing chamber.
Addition of the acyl isethionate either precedes addition of caustic solution, which then is added at a temperature of at least 80°C, or else is subsequent to addition of caustic solution.
CA002040451A 1988-05-03 1991-04-15 Process for preparing soap-acyl isethionate compositions Expired - Fee Related CA2040451C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002040451A CA2040451C (en) 1988-05-03 1991-04-15 Process for preparing soap-acyl isethionate compositions

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18994088A 1988-05-03 1988-05-03
US32560289A 1989-03-20 1989-03-20
AU74125/91A AU643767B2 (en) 1988-05-03 1991-04-08 Process for preparing soap-acyl isethionate compositions
CA002040451A CA2040451C (en) 1988-05-03 1991-04-15 Process for preparing soap-acyl isethionate compositions
JP3090791A JP2763969B2 (en) 1988-05-03 1991-04-22 Method for producing soap-acyl isethionate composition

Publications (2)

Publication Number Publication Date
CA2040451A1 true CA2040451A1 (en) 1992-10-16
CA2040451C CA2040451C (en) 1998-06-09

Family

ID=27507217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002040451A Expired - Fee Related CA2040451C (en) 1988-05-03 1991-04-15 Process for preparing soap-acyl isethionate compositions

Country Status (1)

Country Link
CA (1) CA2040451C (en)

Also Published As

Publication number Publication date
CA2040451C (en) 1998-06-09

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