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US 2004/0071491 A1Published application
Marking instrument
AssigneeCosmolab, Inc.
InventorMarvin J. Hetzel
Life of this patent
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Abstract
A marking instrument housing including a cellulose ester, optionally encasing a marking mass, and methods for making the same, are disclosed.
Claims23
A marking instrument, comprising a pigmented marking mass encased in a housing, said housing comprising a cellulose ester.
A cosmetic pencil comprising a cosmetic mass encased in a sharpenable, translucent, pencil barrel comprising cellulose acetate propionate and about 14 wt. % to about 16 wt. % of a plasticizer.
In a cosmetic pencil comprising a cosmetic mass encased in a barrel, the improvement wherein said barrel comprises a cellulose ester.
Dependencies are inferred from the claim text.