US3974271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lipstick containing 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid or an edible salt thereof
Assignee: Beecham Group PLC
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Filing: 1975-02-03
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Granted: 1976-08-10
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Expires: 1995-02-03
Abstract
Abstract A lipstick composition comprising 8-amino-2-(azo-benzene-4-sulphonic acid) 1-naphthol-3 6-disulphonic acid as a coloring material, named "Red AB".
Inventors
- 👤 Arthur Ernest Billington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:54
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/24; C09B29/28; C09B29/30; A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/47; A61; A61K; A61K47/00; A61K47/06; A61K47/20; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q11/00; C09B29/0003; C09B29/0007
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
37 words
A lipstick comprising an amount of 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid or an edible salt thereof sufficient to impart the desired degree of red color to the lipstick in combination with a carrier suitable for formation of a lipstick.
Claim 2
Dependent Claim
37 words
A lipstick comprising an amount of 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid or an edible salt thereof sufficient to impart the desired degree of red color to the lipstick in combination with a carrier suitable for formation of a lipstick.
Claim 3
Dependent Claim
20 words
A lipstick according to claim 1 wherein the 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid is in the form of an insoluble edible salt.
Claim 4
Dependent Claim
15 words
A lipstick according to claim 2 wherein the salt is the barium or calcium salt.
Claim 5
Dependent Claim
21 words
A lipstick according to claim 1 wherein the amount of 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid or edible salt thereof is 1-10% by weight.
References Cited (Backward Citations)
GB858183A
Cited
US3800034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |