EP0330261A2
Expired / Lapsed
EP
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Stable biodegradable fabric softening compositions containing 2-hydroxypropyl monoester quaternized ammonium salts
Assignee: Procter and Gamble Co
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Filing: 1989-02-15
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Granted: —
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Expires: 2009-02-15
Abstract
Abstract Shelf-stable biodegradable fabric softening compositions are provided comprising mixtures of a quaternized ester-ammonium softening compound having the formula and mixtures thereof, wherein each R substituent is independently selected from C₁-C₆ alkyl, alkenyl or hydroxyalkyl groups, R¹ is a C₁₄-C₂₂ hydrocarbyl group, R² is a C₁₃-C₂₁ hydrocarbyl group, and A⁻ is a softener compatible anion; and a liquid carrier. These biodegradable compositions have improved product stability and dispersability, as well as excellent fabric softening characteristics.
Inventors
- 👤 Frederick Edward Hardy
- 👤 Darlene Rose Walley
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 16:24
CPC Classifications
C; C07; C07C; C07C219/00; C07C219/02; C07C219/04; C07C219/06; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
90 words
A liquid fabric softening and antistatic composition comprising a quaternary ester-ammonium softening compound and a liquid carrier, characterized in that the composition contains: (a) from 1% to 20%, preferably from 2% to 10%, by weight of a quaternized ester-ammonium softening compound having the formula and mixtures thereof, wherein each R substituent is independently selected from C₁-C₆ alkyl, alkenyl or hydroxyalkyl groups, R¹ is a C₁₄-C₂₂ hydrocarbyl group, R² is a C₁₃-C₂₁ hydrocarbyl group, and A⁻ is a softener compatible anion; and (b) from 60% to 98% of a liquid carrier.
Claim 2
Dependent Claim
90 words
A liquid fabric softening and antistatic composition comprising a quaternary ester-ammonium softening compound and a liquid carrier, characterized in that the composition contains: (a) from 1% to 20%, preferably from 2% to 10%, by weight of a quaternized ester-ammonium softening compound having the formula and mixtures thereof, wherein each R substituent is independently selected from C₁-C₆ alkyl, alkenyl or hydroxyalkyl groups, R¹ is a C₁₄-C₂₂ hydrocarbyl group, R² is a C₁₃-C₂₁ hydrocarbyl group, and A⁻ is a softener compatible anion; and (b) from 60% to 98% of a liquid carrier.
Claim 3
Dependent Claim
17 words
A composition according to Claim 1 which is formulated at a pH of from 2.0 to 5.0.
Claim 4
Dependent Claim
46 words
A composition according to Claim 1 or Claim 2 wherein the liquid carrier consists of a mixture of a C₁-C₄ monohydric alcohol, or mixtures thereof, preferably isopropanol, together with water, the amount of monohydric alcohol being from 5% to 50% by weight of the softening compound.
Claim 5
Dependent Claim
33 words
A composition according to any one of Claims 1-3 wherein the softening compound is present as particles, preferably having an average diameter of from 0.1 to 0.5 micron, dispersed in the liquid carrier.
Claim 6
Dependent Claim
16 words
A composition according to any one of Claims 1-4 which is substantially free of unprotonated amines.
Claim 7
Dependent Claim
25 words
A composition according to any one of Claims 1-5 which additionally contains from 0.1% to 10% of a conventional di-(higher alkyl) quaternary ammonium softening agent.
Claim 8
Dependent Claim
39 words
A composition according to any one of Claims 1-6 which additionally contains from 0.1% to 10% by weight of a nonionic extender, preferably selected from the group consisting of glycerol esters, fatty alcohols, ethoxylated linear alcohols, and mixtures thereof.
Claim 9
Dependent Claim
16 words
A composition according to any one of Claims 1-7 wherein the quaternized ester-ammonium softening compound is
Claim 10
Dependent Claim
15 words
A composition according to any one of Claims 1-8 which is packaged in a pouch.
Claim 11
Dependent Claim
39 words
A composition according to any one of Claims 1-9 which additionally contains from 20 to 3,000 ppm of a salt selected from the group consisting of calcium chloride, magnesium chloride, sodium chloride, potassium chloride, lithium chloride, and mixtures thereof.
Claim 12
Independent Claim
29 words
A method of softening and providing an antistatic finish to fabrics by contacting said fabrics with an effective amount of a composition according to any one of Claims 1-10.
Claim 13
Dependent Claim
96 words
A fabric softener and antistatic composition in solid form comprising a quaternary ester-ammonium softening compound and a solid carrier, characterized in that the composition contains: (a) a solid carrier, preferably a sheet substrate; and (b) from 1% to 20% by weight of a quaternized ester-ammonium softening compound having the formula and mixtures thereof, wherein each R substituent is independently selected from C₁-C₆ alkyl, alkenyl or hydroxyalkyl groups, R¹ is a C₁₄-C₂₂ hydrocarbyl group, R² is a C₁₃-C₂₁ hydrocarbyl group, and A⁻ is a softener compatible anion; said softener compound being releasably affixed to said solid carrier.
Claim 14
Dependent Claim
96 words
A fabric softener and antistatic composition in solid form comprising a quaternary ester-ammonium softening compound and a solid carrier, characterized in that the composition contains: (a) a solid carrier, preferably a sheet substrate; and (b) from 1% to 20% by weight of a quaternized ester-ammonium softening compound having the formula and mixtures thereof, wherein each R substituent is independently selected from C₁-C₆ alkyl, alkenyl or hydroxyalkyl groups, R¹ is a C₁₄-C₂₂ hydrocarbyl group, R² is a C₁₃-C₂₁ hydrocarbyl group, and A⁻ is a softener compatible anion; said softener compound being releasably affixed to said solid carrier.
References Cited (Backward Citations)
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