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US4636329A Expired / Lapsed US ⏱️ 0.0 years remaining

Shampoo compositions comprising quaternary imidazolinium compound and alkylamido betaine having low pH range

Assignee: Procter and Gamble Co
•
Filing: 1986-01-13
•
Granted: 1987-01-13
•
Expires: 2006-01-13
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Abstract

Abstract Shampoo compositions comprising an alkylamido betaine and a quaternary compound and having a pH in the range of from 2 to about 4 are disclosed.

Inventors

  • 👤 Christian Steuri

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:15
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/44; A61K8/442; A61K8/49; A61K8/494; A61K8/4946; A61K2800/00; A61K2800/40; A61K2800/59; A61K2800/596

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 61 words
A shampoo composition comprising: (a) from about 1% to about 2% of a quaternary ammonium compound; (b) from about 10% to about 18% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4 being maintained within said range by means of a buffering agent.
Claim 2
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 1% to about 2% of a quaternary ammonium compound; (b) from about 10% to about 18% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4 being maintained within said range by means of a buffering agent.
Claim 3
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 2% to about 6% of a quaternary ammonium compound; (b) from about 14% to about 19% of a higher alkylamido betaine and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 4
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 2% to about 6% of a quaternary ammonium compound; (b) from about 14% to about 19% of a higher alkylamido betaine and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 5
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 6% to about 8% of a quaternary ammonium compound; (b) from about 19% to about 20% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 6
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 6% to about 8% of a quaternary ammonium compound; (b) from about 19% to about 20% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 7
Dependent Claim 39 words
A shampoo composition according to claim 2 wherein the agent used to maintain a pH of from about 2.0 to about 3.4 is selected from the group consisting of citric acid, phosphoric acid, phthalic acid, glycine, and mixtures thereof.
Claim 8
Dependent Claim 16 words
A shampoo composition according to claim 2 wherein the quaternary ammonium compound is a dialkyldimethylammonium salt.
Claim 9
Dependent Claim 17 words
A shampoo composition according to claim 5 wherein the higher alkylamido betaine is a higher alkylamidopropyl betaine.
Claim 10
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 1% to about 3% of a quaternary imidazolinium compound; (b) from about 10% to about 18% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 11
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 1% to about 3% of a quaternary imidazolinium compound; (b) from about 10% to about 18% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 12
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 3% to about 7% of a quaternary imidazolinium compound; (b) from about 14% to about 19% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 13
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 3% to about 7% of a quaternary imidazolinium compound; (b) from about 14% to about 19% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 14
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 6% to about 8% of a quaternary imidazolinium compound; (b) from about 19% to about 20% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 15
Dependent Claim 61 words
A shampoo composition comprising: (a) from about 6% to about 8% of a quaternary imidazolinium compound; (b) from about 19% to about 20% of a higher alkylamido betaine; and (c) the remainder water; wherein the pH of said composition is in the range of from about 2.0 to about 3.4, being maintained within said range by means of a buffering agent.
Claim 16
Dependent Claim 17 words
A shampoo composition according to claim 7 wherein the higher alkylamido betaine is a higher alkylamidopropyl betaine.

References Cited (Backward Citations)

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US3822312A Cited
US3996146A Cited
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US4321156A 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) 1990-01-12 1990-07-14 1991-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-01-12 1994-07-14 1995-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-01-12 1998-07-14 1999-01-13 $7700.00 Window Closed / Lapsed

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