US4536390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible foam aerosol hair product
Assignee: Schwarzkopf and DEP Corp
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Filing: 1983-02-18
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Granted: 1985-08-20
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Expires: 2003-02-18
Abstract
Abstract An aerosol hair treating composition which forms a relatively stable yet collapsible foam comprising 3 to 90% by weight propellent and 97 to 10% by weight of an aqueous intermediate of 0.25 to 5% by weight polymer, 0.25 to 2% quaternary ammonium compound and water.
Inventors
- 👤 Timothy J. Padden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:53
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; A61Q; A61Q5/00; A61Q5/12; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5426; Y; Y10; Y10S; Y10S424/00; Y10S424/01
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
281 words
A hair treating composition to be dispensed from a pressurized aerosol container as a stable, collapsible foam, said composition comprising: A. from about 10 to 97% by weight of an aqueous intermediate comprising: (i) from about 0.25 to 5% by weight of a high molecular weight polymer selected from the group consisting of cationic polymers, aminefunctional polymers and mixtures thereof; (ii) from about 0.25 to 2% by weight of quaternaryamonium compound having the following formula: ##STR5## Wherein R 1 , is a alkyl group having from 8 to 16 carbon atoms, a mixture of alkyl groups having an average chain length of from 8 to 16 carbon atoms or tallow if R 2 is a group having the formula [CH 2 --CH 2 --O] n H, R 2 is an alkyl group having from 8 to 16 carbon atoms, a mixture of alkyl groups having an average carbon atom chain length of from 8 to 16 carbon atoms, an alkyl group having from 1-4 carbon atoms, a group having the formula [CH 2 --CH 2 --O] n H, wherein n is a number from 2 to 16 and mixtures thereof, R 3 is an alkyl group having from 1 to 4 carbon atoms, a group having the formula [CH 2 --CH 2 --O] n --H, wherein n is a number from 2 to 16 and mixtures thereof, R 4 is an alkyl group having 1 to 4 carbon atoms, benzyl and mixtures thereof and A is an anion; (iii)and the balance water; and (B) from about 90 to 3% by weight of a propellant and (C) less than 10% alcohol having 1-4 carbon atoms, whereby said composition is essentially alcohol free.
Claim 2
Dependent Claim
281 words
A hair treating composition to be dispensed from a pressurized aerosol container as a stable, collapsible foam, said composition comprising: A. from about 10 to 97% by weight of an aqueous intermediate comprising: (i) from about 0.25 to 5% by weight of a high molecular weight polymer selected from the group consisting of cationic polymers, aminefunctional polymers and mixtures thereof; (ii) from about 0.25 to 2% by weight of quaternaryamonium compound having the following formula: ##STR5## Wherein R 1 , is a alkyl group having from 8 to 16 carbon atoms, a mixture of alkyl groups having an average chain length of from 8 to 16 carbon atoms or tallow if R 2 is a group having the formula [CH 2 --CH 2 --O] n H, R 2 is an alkyl group having from 8 to 16 carbon atoms, a mixture of alkyl groups having an average carbon atom chain length of from 8 to 16 carbon atoms, an alkyl group having from 1-4 carbon atoms, a group having the formula [CH 2 --CH 2 --O] n H, wherein n is a number from 2 to 16 and mixtures thereof, R 3 is an alkyl group having from 1 to 4 carbon atoms, a group having the formula [CH 2 --CH 2 --O] n --H, wherein n is a number from 2 to 16 and mixtures thereof, R 4 is an alkyl group having 1 to 4 carbon atoms, benzyl and mixtures thereof and A is an anion; (iii)and the balance water; and (B) from about 90 to 3% by weight of a propellant and (C) less than 10% alcohol having 1-4 carbon atoms, whereby said composition is essentially alcohol free.
Claim 3
Dependent Claim
44 words
The composition of claim 1 wherein the polymer is selected from the group consisting of polymeric ammonium salts prepared by the reaction of dimethyl sulfate and a copolymer of vinyl pyrrolidone and dimethylaminoethylmethacrylate, a polymer prepared from vinyl pyrrolidone and dimethylaminoethylmethacrylate; and mixtures thereof.
Claim 4
Dependent Claim
35 words
The composition of claim 1 wherein the quaternary ammonium compound is selected from the group consisting of cetyltrimethyl ammonium chloride, cetyltrimethyl ammonium methyl sulfate, dicetylmethylbenzyl ammonium chloride, ethyl bis(polyhydroxyethyl)tallow ammonium ethyl sulfate and mixtures thereof.
Claim 5
Dependent Claim
21 words
The composition of claim 1 wherein the propellent is selected from the group consisting of propane, butane, isobutane, and mixtures thereof.
Claim 6
Dependent Claim
18 words
The composition of claim 1 wherein the polymer has a weight average molecular weight of greater than 50,000.
Claim 7
Dependent Claim
21 words
The composition of claim 1 wherein the polymer is present in an amount of from about 1 to 3% by weight.
Claim 8
Dependent Claim
23 words
The composition of claim 1 wherein the quaternary ammonium compound is present in an amount of from about 0.5 to 1.5% by weight.
Claim 9
Dependent Claim
38 words
The composition of claim 1 wherein the aqueous intermediate is present in an amount of from about 10 to 90% by weight and the propellent is present in an amount of from about 90 to 10% by weight.
Claim 10
Dependent Claim
38 words
The composition of claim 1 wherein the aqueous intermediate is present in an amount of from about 20 to 80% by weight and the propellent is present in an amount of from about 80 to 20% by weight.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |