US4442013A
Expired / Lapsed
US
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Concentrated fabric softening compositions
Assignee: Colgate Palmolive Co
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Filing: 1982-03-22
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Granted: 1984-04-10
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Expires: 2002-03-22
Abstract
Abstract Stable concentrated fabric softener compositions comprising a mixture of an imidazolinium quaternary ammonium compound with a dicationic quaternary ammonium compound. Such compositions exhibit stable viscosity characteristics at both low and high ambient temperatures.
Inventors
- 👤 Marie-Helene Fraikin
- 👤 Alan Dillarstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:59
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/645; C11D3/00; C11D3/0005; C11D3/001
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
148 words
A stable, aqueous, concentrated fabric softening composition consisting essentially of water and about (a) 8 to 20% by weight of an imidazolinium softener compound of the formula: ##STR5## wherein R 1 is C 8 to C 30 aliphatic radical; R 2 and R 3 are independently selected from R 1 radicals, or C 1 to C 4 alkyl or substituted C 1 to C 4 alkyl and X is a water-solubilizing anion, and (b) from about 0.5 to about 5% by weight of a polyquaternary compound of the formula: ##STR6## wherein R is C 10 to C 30 aliphatic radical; R 1 's are independently hydrogen, C 1 to C 4 alkyl or hydroxyalkyl; n is an integer from 2 to 6; m is an integer from 1 to 5; and X is a water-solubilizing anion, the weight ratio of (A) to (B) ranging from 40:1 to 5:1.
Claim 2
Dependent Claim
148 words
A stable, aqueous, concentrated fabric softening composition consisting essentially of water and about (a) 8 to 20% by weight of an imidazolinium softener compound of the formula: ##STR5## wherein R 1 is C 8 to C 30 aliphatic radical; R 2 and R 3 are independently selected from R 1 radicals, or C 1 to C 4 alkyl or substituted C 1 to C 4 alkyl and X is a water-solubilizing anion, and (b) from about 0.5 to about 5% by weight of a polyquaternary compound of the formula: ##STR6## wherein R is C 10 to C 30 aliphatic radical; R 1 's are independently hydrogen, C 1 to C 4 alkyl or hydroxyalkyl; n is an integer from 2 to 6; m is an integer from 1 to 5; and X is a water-solubilizing anion, the weight ratio of (A) to (B) ranging from 40:1 to 5:1.
Claim 3
Dependent Claim
16 words
A composition as defined in claim 1 including up to about 5% by weight of electrolyte.
Claim 4
Dependent Claim
16 words
A composition as defined in claim 1 wherein the imidazolinium softener is a 2-heptadecyl-1-methyl-(2-stearoylamidoethyl) imidazolinium salt.
Claim 5
Dependent Claim
20 words
A composition as defined in claim 3 where the polyquaternary compound is N-tallowyl-,N,N,N 1 ,N 1 ,N 1 -pentamethyl-1,3-propanediammonium dimethosulfate.
Claim 6
Dependent Claim
25 words
A composition as defined in claim 4 wherein the amount by weight of compound A is about 15% and that of B is about 2%.
Claim 7
Dependent Claim
40 words
A method for preparing a composition as defined in claim 2 which comprises first preparing an aqueous solution of at least part of the electrolyte and thereafter adding the compounds (A) and (B) followed by the balance of any electrolyte.
References Cited (Backward Citations)
GB1601360A
Cited
EP0018039A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-10 | 1987-10-10 | 1988-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-10 | 1991-10-10 | 1992-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-10 | 1995-10-10 | 1996-04-10 | $7700.00 | Window Closed / Lapsed |