Patent US2551774A successfully refreshed from Google Patents.
Patent US4476037A successfully refreshed from Google Patents.
US4476037A
Expired / Lapsed
US
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Free flow, readily dilutable aqueous concentrates of a tenside of the sulfate and sulfonate type
Assignee: Henkel AG and Co KGaA
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Filing: 1983-02-24
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Granted: 1984-10-09
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Expires: 2003-02-24
Abstract
Abstract An aqueous concentrate of a tenside of the sulfate and sulfonate type containing at least about 20% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkyl polyalkylene ether glycol sulfates, alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, alkaryl sulfonates and alkyl sulfosuccinates and a viscosity reducing amount of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600, disulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600 and mixtures thereof and from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1,500; as well as the process of improving the flow behavior of difficultly pourable aqueous concentrates of at least one tenside of the sulfate and sulfonate type comprising employing as a viscosity reducing compound a water-soluble salt of a mono- or disulfate of a poly-lower alkylene ether glycol.
Inventors
- 👤 Uwe Ploog
- 👤 Ingo Wegener
- 👤 Johann Glasl
- 👤 Werner Erwied
- 👤 Bernhard Bartnick
- 👤 Rainer Hofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:41
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3707; C11D1/00; C11D1/02; C11D1/12; C11D1/123; C11D1/14; C11D1/146; C11D1/22; C11D1/29; C11D17/00; C11D17/0008; C11D17/003; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
128 words
An aqueous concentrate of a tenside of the sulfate and sulfonate type containing at least about 20% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, and alkyl sulfosuccinates and a viscosity reducing amount of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600, disulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600 and mixtures thereof and from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1,500.
Claim 2
Dependent Claim
128 words
An aqueous concentrate of a tenside of the sulfate and sulfonate type containing at least about 20% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, and alkyl sulfosuccinates and a viscosity reducing amount of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600, disulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600 and mixtures thereof and from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1,500.
Claim 3
Dependent Claim
23 words
The aqueous concentrate of claim 1 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is at least 1,000.
Claim 4
Dependent Claim
24 words
The aqueous concentrate of claim 1 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is between 1,500 and 6,000.
Claim 5
Dependent Claim
31 words
The aqueous concentrate of claim 3 wherein said poly-lower alkylene ether glycols forming said monosulfates or disulfates are selected from the group consisting of polyethylene ether glycols and polypropylene ether glycols.
Claim 6
Dependent Claim
34 words
The aqueous concentrate of claim 3 wherein said water-soluble salt of a polyglycol ether sulfate is a cation selected from the group consisting of alkali metal, water-soluble alkaline earth metal, ammonium and organic amine.
Claim 7
Dependent Claim
24 words
The aqueous concentrate of claim 1 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is between 1,500 and 4,000.
Claim 8
Dependent Claim
31 words
The aqueous concentrate of claim 1 wherein said poly-lower alkylene ether glycols forming said monosulfates or disulfates are selected from the group consisting of polyethylene ether glycols and polypropylene ether glycols.
Claim 9
Dependent Claim
34 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of a polyglycol ether sulfate is a cation selected from the group consisting of alkali metal, water-soluble alkaline earth metal, ammonium and organic amine.
Claim 10
Dependent Claim
26 words
The aqueous concentrate of claim 1 wherein the lower alkylene groups in said polyglycol ether sulfates are selected from the group consisting of ethylene and propylene-1,2.
Claim 11
Dependent Claim
105 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of an anionic tenside is a water-soluble salt of an alkaryl polyalkylene ether glycol sulfate having the formula R'.sub.m --Ar--O--A--O).sub.n SO.sub.3 M wherein R' is a member having from 4 to 16 carbon atoms selected from the group consisting of alkyl and alkenyl, m is an integer from 1 to 3, Ar is an aryl selected from the group consisting of phenylene and naphthylene, A is a lower alkylene selected from the group consisting of ethylene and propylene-1,2, n is an integer from 1 to 100 and M is the cation of a water-soluble salt.
Claim 12
Dependent Claim
103 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of an anionic tenside is a water-soluble salt of an alkyl polyalkylene ether glycol sulfosuccinate having the formula ##STR4## wherein R is a radical having from 8 to 24 carbon atoms selected from the group consisting of alkyl, alkenyl, alkadienyl and mixtures thereof, A is selected from the group consisting of ethylene and propylene-1,2, n is an integer from 1 to 100, M is a water-soluble cation, and Z is a member selected from the group consisting of --OM and --O--A) n O--R where M, A, R and n have the above-assigned values.
Claim 13
Dependent Claim
128 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of an anionic tenside is a water-soluble salt of an alkaryl polyalkylene ether glycol sulfosuccinate having the formula ##STR5## wherein R' is a member having from 4 to 16 carbon atoms selected from the group consisting of alkyl and alkenyl, m is an integer from 1 to 3, Ar is an aryl selected from the group consisting of phenylene and naphthylene, A is a lower alkylene selected from the group consisting of ethylene and propylene-1,2, n is an integer from 1 to 100M is the cation a water-soluble salt, and Z is a member selected from the group consisting of --OM and --O--A) n O--Ar--R' m wherein M, A, Ar, R', n and m have the above-assigned values.
Claim 14
Dependent Claim
60 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of an anionic tenside is a water-soluble salt of an alkyl sulfate having the formula R--O--SO.sub.3 M wherein R is a radical having from 8 to 24 carbon atoms selected from the group consisting of alkyl, alkenyl, alkadienyl and mixtures thereof, and M is the cation of a water-soluble salt.
Claim 15
Dependent Claim
77 words
The aqueous concentrate of claim 1 wherein said water-soluble salt of an anionic tenside is a water-soluble salt of an alkyl sulfosuccinate having the formula ##STR6## wherein R is a radical having from 8 to 24 carbon atoms selected from the group consisting of alkyl, alkenyl, alkadienyl and mixtures thereof, M is a water-soluble cation, and Z is a member selected from the group consisting of --OM and --OR, where M and R have the above-assigned values.
Claim 16
Dependent Claim
47 words
The aqueous concentrate of claim 1 wherein the content of said water-soluble salt of at least one anionic tenside is from 20% to 80% by weight and the viscosity reducing amount of said sulfate or said sulfate and said glycol is from 0.1% to 10% by weight.
Claim 17
Dependent Claim
23 words
The aqueous concentrate of claim 15 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is at least 1,000.
Claim 18
Dependent Claim
24 words
The aqueous concentrate of claim 15 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is between 1,500 and 6,000.
Claim 19
Dependent Claim
31 words
The aqueous concentrate of claim 17 wherein said poly-lower alkylene ether glycols forming said monosulfates or disulfates are selected from the group consisting of polyethylene ether glycols and polypropylene ether glycols.
Claim 20
Dependent Claim
34 words
The aqueous concentrate of claim 18 wherein said water-soluble salt of a polyglycol ether sulfate is a cation selected from the group consisting of alkali metal, water-soluble alkaline earth metal, ammonium and organic amine.
Claim 21
Dependent Claim
24 words
The aqueous concentrate of claim 15 wherein the molecular weight of said poly-lower alkylene ether glycols forming said sulfate is between 1,500 and 4,000.
Claim 22
Dependent Claim
31 words
The aqueous concentrate of claim 15 wherein said poly-lower alkylene ether glycols forming said monosulfates or disulfates are selected from the group consisting of polyethylene ether glycols and polypropylene ether glycols.
Claim 23
Dependent Claim
34 words
The aqueous concentrate of claim 15 wherein said water-soluble salt of a polyglycol ether sulfate is a cation selected from the group consisting of alkali metal, water-soluble alkaline earth metal, ammonium and organic amine.
Claim 24
Dependent Claim
27 words
The aqueous concentrate of claim 15 wherein said water-soluble salt of a polyglycol ether sulfate is present in an amount of from 2% to 5% by weight.
Claim 25
Dependent Claim
10 words
The aqueous concentrate of claim 1 containing additional nonionic tensides.
Claim 26
Dependent Claim
14 words
The aqueous concentrate of claim 24 wherein said additional nonionic tensides are alkoxylated alkylphenols.
Claim 27
Dependent Claim
158 words
An aqueous concentrate of a tenside of the sulfate and sulfonate type containing (1) from 20% to 80% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, and alkyl sulfosuccinates, (2) a viscosity reducing amount of from 0.1% to 10% by weight of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of poly-lower alkylene ether glycols having a molecular weight of from 1500 to 6000, disulfates of poly-lower alkylene ether glycols having a molecular weight of from 1500 to 6000 and mixtures thereof and (23) from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1500, said lower alkylene groups in said polyglycol ether sulfate being selected from the group consisting of ethylene and propylene-1,2.
Claim 28
Dependent Claim
158 words
An aqueous concentrate of a tenside of the sulfate and sulfonate type containing (1) from 20% to 80% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, and alkyl sulfosuccinates, (2) a viscosity reducing amount of from 0.1% to 10% by weight of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of poly-lower alkylene ether glycols having a molecular weight of from 1500 to 6000, disulfates of poly-lower alkylene ether glycols having a molecular weight of from 1500 to 6000 and mixtures thereof and (23) from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1500, said lower alkylene groups in said polyglycol ether sulfate being selected from the group consisting of ethylene and propylene-1,2.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |