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Patent US4283324A successfully refreshed from Google Patents.
US4283324A
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US
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Nail enamel composition
Assignee: Avon Products Inc
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Filing: 1979-12-04
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Granted: 1981-08-11
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Expires: 1999-12-04
Abstract
Abstract A nitrocellulose-free nail enamel composition comprising a polyvinyl butyral resin as the film-forming agent, a compatible modifier resin, and a compatible cosmetic solvent.
Inventors
- 👤 John A. Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:22
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8129; A61K8/84; A61Q; A61Q3/00; A61Q3/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
26 words
A nitrocellulose-free nail enamel composition comprising a polyvinyl butyral resin, an aryl-sulfonamide-formaldehyde resin, and a compatible solvent; said solvent being the major constituent of the composition.
Claim 2
Dependent Claim
26 words
A nitrocellulose-free nail enamel composition comprising a polyvinyl butyral resin, an aryl-sulfonamide-formaldehyde resin, and a compatible solvent; said solvent being the major constituent of the composition.
Claim 3
Dependent Claim
19 words
The composition of claim 1 wherein the modifier resin is an aryl-sulfonamide-formaldehyde and the solvent is an ester solvent.
Claim 4
Dependent Claim
17 words
The composition of claim 1 wherein the solvent comprises a combination of ethyl acetate and n-butyl acetate.
Claim 5
Dependent Claim
64 words
A nitrocellulose-free nail enamel composition consisting essentially of a polyvinyl butyral resin, a p-toluene-sulfonamide-formaldehyde resin, and a solvent consisting of a combination of ethyl acetate and n-butyl acetate; said solvent being the major constituent of the composition and said p-toluene-sulfonamide-formaldehyde resin being present in an amount no greater than about one part by weight for each part by weight of said polyvinyl butyral resin.
Claim 6
Dependent Claim
64 words
A nitrocellulose-free nail enamel composition consisting essentially of a polyvinyl butyral resin, a p-toluene-sulfonamide-formaldehyde resin, and a solvent consisting of a combination of ethyl acetate and n-butyl acetate; said solvent being the major constituent of the composition and said p-toluene-sulfonamide-formaldehyde resin being present in an amount no greater than about one part by weight for each part by weight of said polyvinyl butyral resin.
Claim 7
Dependent Claim
32 words
The composition of claim 4 wherein said polyvinyl butyral resin is present in an amount of from about 5 to 20% by weight for each 100% by weight of the total composition.
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) | 1984-08-10 | 1985-02-09 | 1985-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-10 | 1989-02-09 | 1989-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-10 | 1993-02-09 | 1993-08-11 | $7700.00 | Window Closed / Lapsed |