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Primary Examiner: Waddell, Frederick E.
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Title: Lipstick containing 8-amino-2-(azo-benzene-4-sulphonic acid)-1-naphthol-3,6-disulphonic acid or an edible salt thereof



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Claims: I claim:

1. 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.

2. 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.

3. A lipstick according to claim 2 wherein the salt is the barium or calcium salt.

4. 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.
Other info:


Inventors: Billington, Arthur Ernest (Watford, EN)

Application Number: 546272
Filing Date: 1975-02-03
Publication_date: 1976-08-10
Assignee: Beecham Group Limited (EN)
Primary Class(es): 424/64
Other Classes:
US Patent Ref:
3800034Mar, 1974Kircher et al.424/64.

Other Refs: 858,183
Jan, 1961UK
Other References: Chem. Abstr., 58, 1450c (1963).