Thickening agent

Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions

Reexamination Certificate

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Details

C514S538000

Reexamination Certificate

active

08043605

ABSTRACT:
Thickening agents which containing a specific N-acylamino acid (component A) and a specific amideamine (component B) are capable of generating, when used in combination with a wide variety of oily bases including a hydrocarbon oil and silicone, a creamy thickening composition having a practical dissolution temperature and a smooth feeling in use when applied to the skin.

REFERENCES:
patent: 3969087 (1976-07-01), Saito et al.
patent: 5403517 (1995-04-01), Horinishi et al.
patent: 2004/0096412 (2004-05-01), Uehara et al.
patent: 2005/0232893 (2005-10-01), Kaharu et al.
patent: 2007/0265347 (2007-11-01), Ueyama et al.
patent: 1 586 298 (2005-10-01), None
patent: 1 746 141 (2007-01-01), None
U.S. Appl. No. 12/167,556, filed Jul. 3, 2008, Saito, et al.

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