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US5338475A Expired / Lapsed US ⏱️ 0.0 years remaining

Carpet cleaning composition with bleach

Assignee: STWB Inc
•
Filing: 1991-08-16
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Granted: 1994-08-16
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Expires: 2011-08-16
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Abstract

Abstract A carpet cleaning composition is disclosed. The composition contains, on a weight-to-weight basis, a. about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixture thereof; and c. a pH in the range above 3.5 and below 6.4.

Inventors

  • 👤 Garland P. Corey
  • 👤 Elmer M. King
  • 👤 Ralph E. Rypkema

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:36
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/004; C11D1/006; C11D1/02; C11D1/37; C11D1/88; C11D1/94; C11D3/00; C11D3/0005; C11D3/0031; C11D3/39; C11D3/3947; C11D1/12; C11D1/123; C11D1/14; C11D1/66; C11D1/90; C11D1/92

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 114 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; and d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl(thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi (I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR2## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2.
Claim 2
Dependent Claim 114 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; and d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl(thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi (I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR2## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2.
Claim 3
Dependent Claim 21 words
A composition according to claim 1 wherein the surfactant is present in an amount of from 0.1 to about 2.0 percent.
Claim 4
Dependent Claim 21 words
A composition according to claim 1 wherein the surfactant is present in an amount of from 0.1 to about 2.0 percent.
Claim 5
Dependent Claim 30 words
A composition according to claim 1 wherein the mixture described in d. is present in an amount of from about 0.1 to about 0.5 percent by weight of the mixture.
Claim 6
Dependent Claim 142 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl)thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR3## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2; and e. about 1.27 percent of an organic liquid solvent for water-soluble stains in carpet selected from the group consisting from monohydric aliphatic alcohols having 1 to 6 carbon atoms.
Claim 7
Dependent Claim 142 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl)thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR3## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2; and e. about 1.27 percent of an organic liquid solvent for water-soluble stains in carpet selected from the group consisting from monohydric aliphatic alcohols having 1 to 6 carbon atoms.
Claim 8
Dependent Claim 166 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl)thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR4## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2; e. about 1.27 percent of an organic liquid solvent for water-soluble stains in carpet selected from the group consisting from monohydric aliphatic alcohols having 1 to 6 carbon atoms; and f. about 2.5 percent of solvents for the removal of oily and greasy stains from carpets selected from light aliphatic hydrocarbons and mixtures thereof.
Claim 9
Dependent Claim 166 words
A carpet cleaning composition consisting of: a. on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; b. from about 0.05 to about 5.0 percent of a nonionic, anionic or amphoteric surfactant or mixtures thereof; c. a pH in the range above 4.0 and below 6.4; d. from about 0.07 to about 1.8 percent of a mixture of (i) α-[2-[(2-carboxyethyl)thiolethyl]-w-fluoropoly-(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, and (ii) the diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR4## where n is 6 to 12; wherein the weight ratio of (i) to (ii) is from about 1:1 to about 1:2; e. about 1.27 percent of an organic liquid solvent for water-soluble stains in carpet selected from the group consisting from monohydric aliphatic alcohols having 1 to 6 carbon atoms; and f. about 2.5 percent of solvents for the removal of oily and greasy stains from carpets selected from light aliphatic hydrocarbons and mixtures thereof.
Claim 10
Dependent Claim 122 words
A carpet cleaning composition having a pH in the range above 4.0 and below 6.4 comprising: (i) on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; (ii) from about 0.05 to about 0.075 wt-% of a α--w-fluoropoly(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, (iii) from about 0.075 to about 0.1 of a diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR5## where n is 6 to 12; (iv) about 0.205 wt-% sodium lauryl sulfate; (v) about 0.045 wt-% disodium monolauryl sulfosuccinate; (vi) about 0.095 wt-% tetrasodium ethylenediaminetetraacetate; (vii) about 0.023 wt-% citric acid; (viii) about 1.5 wt-% isopropyl alcohol; and (ix) about 1 wt-% propylene glycol monomethyl ether.
Claim 11
Dependent Claim 122 words
A carpet cleaning composition having a pH in the range above 4.0 and below 6.4 comprising: (i) on a weight-to-weight basis of about 0.30 to 2.2 percent of hydrogen peroxide; (ii) from about 0.05 to about 0.075 wt-% of a α--w-fluoropoly(difluoromethylene) lithium salt of the general formula F(CF2)n-CH2CH2-S-CH2CH2-COOLi(I), where n is 6 to 12, (iii) from about 0.075 to about 0.1 of a diethanolamine salt of a perfluoroalkyl phosphate represented by the general formula: ##STR5## where n is 6 to 12; (iv) about 0.205 wt-% sodium lauryl sulfate; (v) about 0.045 wt-% disodium monolauryl sulfosuccinate; (vi) about 0.095 wt-% tetrasodium ethylenediaminetetraacetate; (vii) about 0.023 wt-% citric acid; (viii) about 1.5 wt-% isopropyl alcohol; and (ix) about 1 wt-% propylene glycol monomethyl ether.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-08-15 1998-02-14 1998-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-08-15 2002-02-14 2002-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-08-15 2006-02-14 2006-08-16 $7700.00 Window Closed / Lapsed

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