Yi M Chang

US Patent:

20020034548, Mar 21, 2002

Filed:

Dec 31, 1998

Appl. No.:

09/224005

Inventors:

JAMES PARR - SAN JUAN CAPISTRANO CA, US
ZIMING SUN - FOUNTAIN VALLEY CA, US
YI HSIN CHANG - SANTA ANA CA, US
UYEN UYEN HO - GARDEN GROVE CA, US
DARCY GEORGE - COTO DE CAZA CA, US

International Classification:

A61K009/14

US Classification:

424/489000, 424/400000

Abstract:

A composition including (a) about 2 to about 25 wt % of L-ascorbic acid, (b) about 0.1 to about 10 wt % of at least one selected form the group consisting of cationic polymers and cationic surfactants, and (c) about 0.1 to about 70 wt % of at least one selected from the group consisting of humectants, polymers with humectant properties, and inorganic driers. The ratio of ingredient (a) to ingredient (b) is about 1:1 to about 50:1. The composition is stable when stored at room temperature for a period of at least ten weeks.

US Patent:

20020136771, Sep 26, 2002

Filed:

Dec 12, 2001

Appl. No.:

10/017768

Inventors:

James Parr - San Juan Capistrano CA, US
Ziming Sun - Fountain Valley CA, US
Yi Hsin Chang - Santa Ana CA, US
Uyen Uyen Ho - Garden Grove CA, US
Darcy George - Coto De Caza CA, US

Assignee:

AMITEE COSMETICS, INC.

International Classification:

A61K031/375
A61K009/14

US Classification:

424/488000, 514/474000

Abstract:

A composition including (a) about 2 to about 25 wt % of L-ascorbic acid, (b) about 0.1 to about 10 wt % of at least one selected form the group consisting of cationic polymers and cationic surfactants, and (c) about 0.1 to about 70 wt % of at least one selected from the group consisting of humectants, polymers with humectant properties, and inorganic driers. The ratio of ingredient (a) to ingredient (b) is about 1:1 to about 50:1. The composition is stable when stored at room temperature for a period of at least ten weeks.