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US4617148A Expired / Lapsed US ⏱️ 0.0 years remaining

Opaque liquid hand soap

Assignee: Aqualon Co
•
Filing: 1984-06-06
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Granted: 1986-10-14
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Expires: 2004-06-06
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Abstract

Abstract Disclosed is an opaque liquid composition suitable for use as a soap, primarily a liquid hand soap, which is thickened with a water-soluble polymer, such as, hydroxyethyl cellulose or hydroxypropyl guar.

Inventors

  • 👤 Susan J. Shields

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:03
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; A61K8/72; A61K8/73; A61K8/731; A61K8/737; A61Q; A61Q19/00; A61Q19/10; C; C11; C11D; C11D1/00; C11D1/66; C11D1/83; C11D1/88; C11D1/94; C11D17/00; C11D17/0008; C11D17/003; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/225; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5422; A61K2800/59; A61K2800/596; C11D1/02; C11D1/04; C11D1/10; C11D1/12; C11D1/123; C11D1/126; C11D1/14; C11D1/143; C11D1/146; C11D1/22; C11D1/28; C11D1/38; C11D1/52; C11D1/523; C11D1/667; C11D1/90

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 268 words
A liquid soap composition consisting essentially of, in an aqueous medium, by weight of its principal ingredients, (a) from about 40% to about 90% of an anionic surfactant detergent selected from the group consisting of (i) alkylbenzenesulfonates of the formula: ##STR2## where R is dodecyl and M is sodium, calcium, triethanolammonium, and isopropylammonium; (ii) alpha-olefinsulfonates of the formula: R'CH═CHSO.sub.3 Na where R' is 10-18 carbon atoms and mixtures thereof; and (iii) alkyl sulfates of the formula R"OSO 3 M' where R" is lauroyl and M' is sodium, potassium, ammonium, diethanolammonium, and triethanolammonium; (b) from about 20% to about 50% of a primary lathering agent selected from the group consisting of (i) dialkyl sulfosuccinates of the formula RO 2 CCH 2 CH(SO 3 Na)CO 2 R, where R is lauroyl or myristyl, (ii) N-acyl-sarcosinates of the formula R'CON(CH 3 )CH 2 CO 2 Na, where R'CO-- is lauroyl and cocoyl, (iii) sodium N-acyl-N-methyltaurates of the formula R"CON(CH 3 )CH 2 CH 2 SO 3 Na, where R"CO is acyl, (iv) sodium cocoylisothionate, (v) amidopropylbetaines of the formula R'"CONHCH 2 CH 2 CH 2 N + (CH 3 ) 2 CH 2 CO 2 - , where R'"CO is cocoyl and lauroyl, and (vi) mixtures thereof; (c) from about 5% to about 30% of a nonionic surfactant opacifying agent; (d) from about 0.5% to about 20% of a primary water-soluble polymer thickener selected from the group consisting of hydroxyethylcellulose and hydroxypropyl guar as its principal ingredients; wherein the total of (a), (b), (c), and (d) is 100% of the principal ingredients; and (e) water from about 75% to about 85%.
Claim 2
Dependent Claim 268 words
A liquid soap composition consisting essentially of, in an aqueous medium, by weight of its principal ingredients, (a) from about 40% to about 90% of an anionic surfactant detergent selected from the group consisting of (i) alkylbenzenesulfonates of the formula: ##STR2## where R is dodecyl and M is sodium, calcium, triethanolammonium, and isopropylammonium; (ii) alpha-olefinsulfonates of the formula: R'CH═CHSO.sub.3 Na where R' is 10-18 carbon atoms and mixtures thereof; and (iii) alkyl sulfates of the formula R"OSO 3 M' where R" is lauroyl and M' is sodium, potassium, ammonium, diethanolammonium, and triethanolammonium; (b) from about 20% to about 50% of a primary lathering agent selected from the group consisting of (i) dialkyl sulfosuccinates of the formula RO 2 CCH 2 CH(SO 3 Na)CO 2 R, where R is lauroyl or myristyl, (ii) N-acyl-sarcosinates of the formula R'CON(CH 3 )CH 2 CO 2 Na, where R'CO-- is lauroyl and cocoyl, (iii) sodium N-acyl-N-methyltaurates of the formula R"CON(CH 3 )CH 2 CH 2 SO 3 Na, where R"CO is acyl, (iv) sodium cocoylisothionate, (v) amidopropylbetaines of the formula R'"CONHCH 2 CH 2 CH 2 N + (CH 3 ) 2 CH 2 CO 2 - , where R'"CO is cocoyl and lauroyl, and (vi) mixtures thereof; (c) from about 5% to about 30% of a nonionic surfactant opacifying agent; (d) from about 0.5% to about 20% of a primary water-soluble polymer thickener selected from the group consisting of hydroxyethylcellulose and hydroxypropyl guar as its principal ingredients; wherein the total of (a), (b), (c), and (d) is 100% of the principal ingredients; and (e) water from about 75% to about 85%.
Claim 3
Dependent Claim 45 words
The composition of claim 1 wherein the water-soluble polymer is a hydroxyethyl cellulose having a hydroxyethyl substitution of about 1.6 to about 3.6 M.S. and a water viscosity from about 1500 cps. to about 5000 cps. at 25° C. at 1% concentration at 30 rpm.
Claim 4
Dependent Claim 24 words
The composition of claim 1 wherein the water-soluble polymer is a hydroxypropyl guar having a hydroxypropyl substitution from about 0.3 to about 1.2 M.S.
Claim 5
Dependent Claim 19 words
The composition of claim 1 wherein the water-soluble polymer is present at a concentration from about 10% to 17%.
Claim 6
Dependent Claim 20 words
The composition of claim 1 wherein the water-soluble polymer is present at a concentration from about 10% to about 17%.
Claim 7
Dependent Claim 20 words
The composition of claim 1 wherein the water-soluble polymer is present at a concentration from about 10% to about 17%.
Claim 8
Dependent Claim 13 words
The composition of claim 1 wherein component (a) is anionic surfactant detergent (i).
Claim 9
Dependent Claim 13 words
The composition of claim 1 wherein component (a) is anionic surfactant detergent (ii).
Claim 10
Dependent Claim 13 words
The composition of claim 1 wherein component (a) is anionic surfactant detergent (iii).
Claim 11
Dependent Claim 13 words
The composition of claim 1 wherein component (b) is anionic surfactant detergent (i).
Claim 12
Dependent Claim 13 words
The composition of claim 1 wherein component (b) is anionic surfactant detergent (ii).
Claim 13
Dependent Claim 13 words
The composition of claim 1 wherein component (b) is anionic surfactant detergent (iii).
Claim 14
Dependent Claim 13 words
The composition of claim 1 wherein component (b) is anionic surfactant detergent (iv).
Claim 15
Dependent Claim 13 words
The composition of claim 1 wherein component (b) is anionic surfactant detergent (v).

References Cited (Backward Citations)

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US4072632A Cited
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US4420410A Cited
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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) 1989-10-13 1990-04-14 1990-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-10-13 1994-04-14 1994-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-10-13 1998-04-14 1998-10-14 $7700.00 Window Closed / Lapsed

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