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US5474691A Expired / Lapsed US ⏱️ 0.0 years remaining

Dryer-added fabric treatment article of manufacture containing antioxidant and sunscreen compounds for sun fade protection of fabrics

Assignee: Procter and Gamble Co
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Filing: 1994-07-26
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Granted: 1995-12-12
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Expires: 2014-07-26
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Abstract

Abstract The present invention relates to a dryer-added fabric treatment article of manufacturing to reduce the fading of fabrics from sunlight comprising: I. a composition comprising: A. from about 5% to about 75%, by weight of the composition, of a sun- fade protection active selected from the group consisting of: i. a non-fabric staining, light stable, antioxidant compound preferably containing at least one C8-C22 hydrocarbon fatty organic moiety; ii. a non-fabric staining, light stable, sunscreen compound; and iii. mixtures thereof, B. from about 10% to about 95% by weight of the composition of a fabric conditioning compound; and II. a substrate, on which said composition is attached, which provides for release of an effective amount of said sun-fade protection active and said fabric conditioning compound onto fabrics in an automatic laundry dryer at automatic laundry dryer operating temperatures; wherein said antioxidant compound is a solid having a melting point of less than about 80 DEG C., or a liquid at a temperature of less than about 40 DEG C.; and wherein said sunscreen compound absorbs light at a wavelength of from about 290 nm to about 450 nm and is a solid compound having a melting point of from about 25 DEG C. to about 90 DEG C., or a viscous liquid at a temperature of less than about 40 DEG C.

Inventors

  • 👤 John C. Severns

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 08:32
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/041; C11D17/047; C11D1/00; C11D1/66; C11D1/74; C11D1/825; C11D1/835; C11D3/00; C11D3/0005; C11D3/001; C11D3/0084; C11D3/16; C11D3/20; C11D3/2072; C11D3/2093; C11D3/26; C11D3/28; C11D3/30; C11D3/32; C11D3/33; C11D3/40; C11D3/42; C11D1/38; C11D1/62; C11D1/662

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 445 words
An article of manufacture comprising: I. a composition comprising: A. from about 5% to about 75% by weight of the composition, of a non-fabric staining, light stable antioxidant compound selected from the group consisting of: ##STR16## wherein each R 1 and R 3 are the same or different moiety selected from the group consisting of hydroxy, C 1 to C 6 alkoxy groups, branched or straight chained C 1 to C 6 alkyl groups, and mixtures thereof; each R 2 is a hydroxy group; each R 4 is a saturated or unsaturated C 1 to C 22 alkyl group or hydrogen; each R 5 is a saturated or unsaturated C 1 to C 22 alkyl group which can contain ethoxylated or propoxylated groups; each R 6 is a branched or straight chained, saturated or unsaturated, C 8 to C 22 alkyl group; each T is ##STR17## each W is ##STR18## wherein Y is a hydrogen or a C 1 to C 5 alkyl group; wherein Z is hydrogen, a C 1 to C 3 alkyl group (which may be interrupted by an ester, amide, or ether group), a C 1 to C 30 alkoxy group (which may be interrupted by an ester, amide, or ether group); each m is from 0 to 4; each n is from 1 to 50; each q is from 1 to 10; and wherein the antioxidant compound also comprises quaternary ammonium compounds of Formulas I, III, IV, and V; B. from about 10% to about 95% by weight of the composition of a highly ethoxylated sugar derivative containing from about 5 to about 40 ethylene oxide groups per molecule, wherein said sugar moiety is sorbitan and wherein there are from about 1 to about 3 hydrophobic moieties which are part of a fatty acyl group containing from about 12 to about 22 carbon atoms attached to said sugar moiety by ester linkages; and wherein the composition optionally includes a non-fabric staining, light stable sunscreen compound; and II. a substrate, on which said composition is attached, which provides for release of an effective amount of said composition onto fabrics in an automatic laundry dryer at automatic laundry dryer operating temperatures; wherein said antioxidant compound is a solid having a melting point of less than about 80° C., or a liquid at a temperature of less than about 40° C.; and wherein said optional sunscreen compound absorbs light at a wavelength of from about 290 nm to about 450 nm and is a solid compound having a melting point of from about 25° C. to about 90° C., or a viscous liquid at a temperature of 0° C. to about 25° C.
Claim 2
Dependent Claim 445 words
An article of manufacture comprising: I. a composition comprising: A. from about 5% to about 75% by weight of the composition, of a non-fabric staining, light stable antioxidant compound selected from the group consisting of: ##STR16## wherein each R 1 and R 3 are the same or different moiety selected from the group consisting of hydroxy, C 1 to C 6 alkoxy groups, branched or straight chained C 1 to C 6 alkyl groups, and mixtures thereof; each R 2 is a hydroxy group; each R 4 is a saturated or unsaturated C 1 to C 22 alkyl group or hydrogen; each R 5 is a saturated or unsaturated C 1 to C 22 alkyl group which can contain ethoxylated or propoxylated groups; each R 6 is a branched or straight chained, saturated or unsaturated, C 8 to C 22 alkyl group; each T is ##STR17## each W is ##STR18## wherein Y is a hydrogen or a C 1 to C 5 alkyl group; wherein Z is hydrogen, a C 1 to C 3 alkyl group (which may be interrupted by an ester, amide, or ether group), a C 1 to C 30 alkoxy group (which may be interrupted by an ester, amide, or ether group); each m is from 0 to 4; each n is from 1 to 50; each q is from 1 to 10; and wherein the antioxidant compound also comprises quaternary ammonium compounds of Formulas I, III, IV, and V; B. from about 10% to about 95% by weight of the composition of a highly ethoxylated sugar derivative containing from about 5 to about 40 ethylene oxide groups per molecule, wherein said sugar moiety is sorbitan and wherein there are from about 1 to about 3 hydrophobic moieties which are part of a fatty acyl group containing from about 12 to about 22 carbon atoms attached to said sugar moiety by ester linkages; and wherein the composition optionally includes a non-fabric staining, light stable sunscreen compound; and II. a substrate, on which said composition is attached, which provides for release of an effective amount of said composition onto fabrics in an automatic laundry dryer at automatic laundry dryer operating temperatures; wherein said antioxidant compound is a solid having a melting point of less than about 80° C., or a liquid at a temperature of less than about 40° C.; and wherein said optional sunscreen compound absorbs light at a wavelength of from about 290 nm to about 450 nm and is a solid compound having a melting point of from about 25° C. to about 90° C., or a viscous liquid at a temperature of 0° C. to about 25° C.
Claim 3
Dependent Claim 23 words
The article of manufacture of claim 1 wherein said substrate is a flexible substrate which releases said composition in an automatic laundry dryer.
Claim 4
Dependent Claim 24 words
The article of manufacture of claim 2 wherein said substrate can deposit from about 0.05 mg/g to about 2 mg/g of antioxidant onto fabric.
Claim 5
Dependent Claim 29 words
The article of manufacture of claim 1 wherein said fabric conditioning compound is present at a level of from about 15% to about 60% by weight of the composition.
Claim 6
Dependent Claim 29 words
The article of manufacture of claim 4 wherein said fabric conditioning compound is present at a level of from about 25% to about 75%, by weight of the composition.
Claim 7
Dependent Claim 28 words
The article of manufacture of claim 1 wherein said antioxidant compound is present at a level of from about 15% to about 60%, by weight of the composition.
Claim 8
Dependent Claim 26 words
The article of manufacture of claim 6 wherein the level of said antioxidant compound is from about 25% to about 50%, by weight of the composition.
Claim 9
Dependent Claim 91 words
The article of manufacture of claim 1 wherein each R 1 and R 3 are branched C 1 -C 6 alkyl groups; each R 4 is a methyl :group; each R 5 is a saturated or unsaturated alkyl chain having from about 8 to about 22 carbon atoms; each R 6 is an alkyl group having from about 12 to about 18 carbon atoms; each m is from about 0 to about 2; each n is from about 1 to about 10; and each q is from 2 to about 6.
Claim 10
Dependent Claim 54 words
The article of manufacture of claim 8 wherein each R 1 and R 3 are "tert"-butyl groups; each R 5 is an alkyl chain having from about 12 to about 14 carbon atoms; each R 6 is an alkyl group having from about 16 to about 18 carbon atoms; and each n is 1.
Claim 11
Dependent Claim 27 words
The article of manufacture of claim 1 wherein said antioxidant compound is selected from the group consisting of 2-(N-methyl-N-cocoamino)ethyl 3',5'-di-tert-butyl-4'-hydroxybenzoate; 2-(N,N-dimethyl-amino)ethyl 3',5'-di-tert-butyl-4'-hydroxybenzoate; 2-(N-methyl-N-cocoamino)ethyl 3',4',5'-trihydroxybenzoate; and mixtures thereof.
Claim 12
Dependent Claim 13 words
The article of manufacture of claim 10 wherein said antioxidant compound is 2-(N-methyl-N-cocoamino)ethyl-3',5'-di-tert-butyl-4'-hydroxybenzoate.
Claim 13
Dependent Claim 49 words
The article of manufacture of claim 1 wherein said sun fade protection active is a solid sunscreen compound having a melting point of from about 25° C. to about 75° C. and is present at a level of from about 15% to about 60% by weight of the composition.
Claim 14
Dependent Claim 42 words
The article of manufacture of claim 12 wherein said sunscreen compound has a melting point of from about 25° C. to about 50° C. and is present at a level of from about 25% to about 50% by weight of the composition.
Claim 15
Dependent Claim 45 words
The article of manufacture of claim 13 wherein said sunscreen compound contains at least one chromophore selected from the group consisting of: ##STR19## wherein each R 7 is a hydrogen, methyl, ethyl, C 1 -C 22 branched or straight chain alkyl group; and mixtures thereof.
Claim 16
Dependent Claim 33 words
The article of manufacture of claim 14 wherein said sunscreen compound contains at least one chromophore is selected from the group consisting of (I), (II), (III), (IV), (V), (VII), (VIII), and mixtures thereof.
Claim 17
Dependent Claim 29 words
The article of manufacture of claim 15 wherein said sunscreen compound contains at least one chromophore selected from the group consisting of (I), (II), (III), (IV), and mixtures thereof.
Claim 18
Dependent Claim 212 words
The article of manufacture of claim 13 wherein said sunscreen compound is selected from the group consisting of: ##STR20## wherein each R 8 is a hydrogen, or a C 1 to C 22 alkyl group; each R 9 is a hydrogen, or a C 1 to C 22 alkyl group; each R 10 is a C 1 to C 22 alkyl group; each R 11 is a hydrogen, C 1 to C 22 alkyl group and mixtures thereof; each R 12 is a hydrogen, hydroxy group, methoxy group, a C 1 to C 22 alkyl group (which can be an ester, amide, or ether interrupted group) and mixtures thereof; each R 13 is a hydrogen, hydroxy group, a C 1 to C 22 alkyl group (which can be an ester, amide, or ether interrupted group) and mixtures thereof; each R 14 is a hydrogen, hydroxy group, or a C 1 to C 22 alkyl group; each R 15 is a hydrogen, hydroxy group, a C 1 to C 22 alkyl group (which can be an ester, amide, or ether interrupted group) and mixtures thereof; and each R 16 is a hydrogen, hydroxy group, or a C 1 to C 22 alkyl group (which can be an ester, amide, or ether interrupted group).
Claim 19
Dependent Claim 125 words
The article of manufacture of claim 17 wherein each R 8 is a hydrogen or a methyl group; each R 9 is a hydrogen, or a methyl group; each R 10 is a C 8 to C 18 alkyl group; each R 11 is a methyl group, C 8 to C 22 alkyl group, and mixtures thereof; each R 12 is a C 1 to C 22 alkyl group interrupted by an ether or ester group; each R 13 is a hydrogen, hydroxy group, and mixtures thereof; each R 14 is a hydrogen or hydroxy group; each R 15 is a C 1 to C 12 alkyl group; and each R 16 is a tert-amyl, a methyl phenyl group, or a coco dimethyl butaonate group.
Claim 20
Dependent Claim 81 words
The article of manufacture of claim 18 wherein each R 10 is a C 12 to C 18 alkyl group; one R 11 is a C 12 to C 18 alkyl group and the other R 11 is a methyl group; each R 12 is a C 8 to C 22 alkyl group interrupted by an ester group; each R 13 is a hydrogen; and each R 15 is a methyl group, a "tert"-amyl group, a dodecyl group, and mixtures thereof.
Claim 21
Dependent Claim 42 words
The article of manufacture of claim 1 wherein said sun fade protection active is a mixture of said antioxidant compound and said sunscreen compound wherein the ratio of said antioxidant compound to said sunscreen compound is from about 1:10 to about 10:1.
Claim 22
Dependent Claim 25 words
The article of manufacture of claim 20 wherein the ratio of said antioxidant compound to said sunscreen compound is from about 1:5 to about 5:1.
Claim 23
Dependent Claim 25 words
The article of manufacture of claim 21 wherein the ratio of said antioxidant compound to said sunscreen compound is from about 1:2 to about 2:1.
Claim 24
Dependent Claim 28 words
The article of manufacture of claim 22 wherein the composition additionally comprises: from about 0% to about 10%, by weight of the composition, of a soil release polymer.
Claim 25
Dependent Claim 28 words
The article of manufacture of claim 23 wherein said soil release polymer is at a level of from about 0.1% to about 5%, by weight of the composition.
Claim 26
Dependent Claim 129 words
The article of manufacture of claim 1 comprising: I. a composition comprising: A. from about 25% to about 50%, by weight of the composition, of 2-(N-methyl-N-coco-amino)ethyl 3',5'-di-tert-butyl-4'-hydroxybenzoate; B. from about 25%: to about 75%, by weight of the composition, of a mixture of fabric conditioning compounds, comprising: i. a highly ethoxylated sugar derivative containing from about 5 to about 40 ethylene oxide groups per molecule, wherein said sugar moiety is sorbitan and wherein there are from about 1 to about 3 hydrophobic moieties which are part of a fatty acyl group containing from about 12 to about 22 carbon atoms attached to said sugar moiety by ester linkages; and ii. a mixture of oleyldimethylamine stearate and distearylmethylamine myristate in a weight ratio of from about 1:10 to about 10:1.
Claim 27
Dependent Claim 133 words
The article of manufacture of claim 1 comprising: A. from about 25% to about 50%, by weight of the composition of a sunscreen compound containing at least one phenylbenzotriazole chromophore; and B. from about 25% to about 75%, by weight of the composition, of a mixture of fabric conditioning compounds, comprising: i. a highly ethoxylated sugar derivative containing from about 5 to about 40 ethylene oxide groups per molecule, wherein said sugar moiety is sorbitan and wherein there are from about 1 to about 3 hydrophobic moieties which are part of a fatty acyl group containing from about 12 to about 22 carbon atoms attached to said sugar moiety by ester linkages; and ii. a mixture of oleyldimethylamine stearate and distearylmethylamine myristate in a weight ratio of from about 1:10 to about 10:1.
Claim 28
Dependent Claim 140 words
The article of manufacture of claim 1 comprising: I. a composition comprising: A. from about 25% to about 50%, by weight of the composition, of a mixture of 2-(N-methyl-N-coco-amino)ethyl-3',5'-di-tert-butyl-4'-hydroxy-benzoate and sunscreen compound containing at least one phenylbenzotriazole chromophore; B. from about 25% to about 75%, by weight of the composition, of a mixture of fabric conditioning compounds, comprising: i. a highly ethoxylated sugar derivative containing from about 5 to about 40 ethylene oxide groups per molecule, wherein said sugar moiety is sorbitan and wherein there are from about 1 to about 3 hydrophobic moieties which are part of a fatty acyl group containing from about 12 to about 22 carbon atoms attached to said sugar moiety by ester linkages; and ii. a mixture of oleyldimethylamine stearate and distearylmethylamine myristate in a weight ratio of from about 1:10 to about 10:1.
Claim 29
Dependent Claim 24 words
The article of manufacture of claim 27 wherein the ratio of the 2-(N-methyl-N-coco-amino)ethyl-3',5'-di-tert-butyl-4'-hydroxy-benzoate to the sunscreen compound is from about 1:2 to about 2:1.
Claim 30
Dependent Claim 30 words
A method of treating fabrics to provide sun fade protection, comprising adding the article of manufacture of claim 1 to an automatic laundry dryer with a bundle of wet fabrics.
Claim 31
Dependent Claim 29 words
A method of treating fabrics to provide sun-fade protection, comprising adding the article of manufacture of claim 25 to an automatic laundry dryer with a bundle of wet fabrics.
Claim 32
Dependent Claim 29 words
A method of treating fabrics to provide sun-fade protection, comprising adding the article of manufacture of claim 25 to an automatic laundry dryer with a bundle of wet fabrics.
Claim 33
Dependent Claim 29 words
A method of treating fabrics to provide sun-fade protection, comprising adding the article of manufacture of claim 27 to an automatic laundry dryer with a bundle of wet fabrics.

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Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-12-11 1999-06-12 1999-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-12-11 2003-06-12 2003-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-12-11 2007-06-12 2007-12-12 $7700.00 Window Closed / Lapsed

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