US5922670A
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US
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Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates thereof
Assignee: Henkel AG and Co KGaA
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Filing: 1996-01-23
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Granted: 1999-07-13
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Expires: 2016-01-23
Abstract
Abstract PCT No. PCT/EP96/00259 Sec. 371 Date Oct. 1, 1997 Sec. 102(e) Date Oct. 1, 1997 PCT Filed Jan. 23, 1996 PCT Pub. No. WO96/23768 PCT Pub. Date Aug. 8, 1996Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof are prepared by reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof with a sulfating agent, and then neutralizing the reaction product with an aqueous base material.
Inventors
- 👤 Georg Knuebel
- 👤 Alfred Westfechtel
- 👤 Gerhard Hermanns
- 👤 Rainer Hoffmann
- 👤 Hans-Christian Raths
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/463; A61Q5/00; A61Q5/02; C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/06; C09; C09K; C09K23/00; C09K23/04; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/16; C11D1/29
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
48 words
The process of producing dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof, comprising reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof containing an average of 36 to 44 carbon atoms with a sulfating agent, and neutralizing the reaction product with an aqueous base material.
Claim 2
Dependent Claim
48 words
The process of producing dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof, comprising reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof containing an average of 36 to 44 carbon atoms with a sulfating agent, and neutralizing the reaction product with an aqueous base material.
Claim 3
Dependent Claim
23 words
A process as in claim 1 wherein said sulfating agent is selected from the group consisting of gaseous sulfur trioxide and chlorosulfonic acid.
Claim 4
Dependent Claim
42 words
A process as in claim 1 wherein said reacting with a sulfating agent is carried out with a molar ratio per OH group of said dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof to said sulfating agent of 1:0.95 to 1:1.8.
Claim 5
Dependent Claim
25 words
A process as in claim 1 wherein said reacting with a sulfating agent is carried out at a temperature of 20° C. to 98° C.
Claim 6
Dependent Claim
57 words
A process as in claim 1 wherein said neutralizing is carried out with a 5% to 55% by weight aqueous base material selected from the group consisting of alkali metal hydroxides, alkaline earth metal oxides and hydroxides, ammonia, mono-, di-, and tri-C 2 -C 4 alkanolamines, and primary, secondary and tertiary C 1 -C 4 alkyl amines.
Claim 7
Dependent Claim
45 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof prepared by reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof containing an average of 36 to 44 carbon atoms with a sulfating agent, and neutralizing the reaction product with an aqueous base material.
Claim 8
Dependent Claim
45 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof prepared by reacting dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof containing an average of 36 to 44 carbon atoms with a sulfating agent, and neutralizing the reaction product with an aqueous base material.
Claim 9
Dependent Claim
31 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof as in claim 6 wherein said sulfating agent is selected from the group consisting of gaseous sulfur trioxide and chlorosulfonic acid.
Claim 10
Dependent Claim
50 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof as in claim 6 wherein said reacting with a sulfating agent is carried out with a molar ratio per OH group of said dimer alcohols, trimer alcohols, or alkylene oxide adducts thereof to said sulfating agent of 1:0.95 to 1:1.8.
Claim 11
Dependent Claim
33 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof as in claim 6 wherein said reacting with a sulfating agent is carried out at a temperature of 20° C. to 98° C.
Claim 12
Dependent Claim
65 words
Dimer alcohol bis-sulfates, trimer alcohol tris-sulfates and ether sulfates thereof as in claim 6 wherein said neutralizing is carried out with a 5% to 55% by weight aqueous base material selected from the group consisting of alkali metal hydroxides, alkaline earth metal oxides and hydroxides, ammonia, mono-, di-, and tri-C 2 -C 4 alkanolamines, and primary, secondary and tertiary C 1 -C 4 alkyl amines.
Claim 13
Dependent Claim
9 words
A cleaning composition containing the product of claim 6.
Claim 14
Dependent Claim
20 words
The process of reducing the viscosity of a viscous liquid surfactant composition comprising adding thereto the product of claim 6.
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