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US 2007/0190019 A1Published application
Compositions and methods for topical administration
OwnerChunfeng Guo, Thomas Chaninventors
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Abstract
Vanishing cream base compositions and vanishing cream compositions suitable for topical application of an active agent to an animal or plant comprising water, at least one alcohol, a polymeric thickening agent, a skin penetration enhancing compound, and an emulsifying agent are provided. Methods for the use and manufacture of such creams are also disclosed.
Claims21
A vanishing cream base composition suitable for topical application of an active agent to an animal or plant comprising:
- a. from about 20 to about 70 wt. % water, based on the total weight of cream base composition;
- b. at least about 10 wt. %, based on the total weight of cream base, of at least one alcohol;
- c. at least one polymeric thickening agent comprising a nitrogen containing acrylic unit;
- d. a penetration enhancing effective amount of a skin penetration enhancing compound;
- and
- e. an emulsifying agent;
- wherein said cream base is stable upon storage at ambient conditions, and clarifies at a temperature greater than 30° C.
4 more elements
A vanishing cream composition suitable for topical application of an active agent to an animal or plant comprising:
- a. from about 20 to about 70 wt. % water, based on the total weight of cream base composition;
- b. at least about 10 wt. %, based on the total weight of cream base, of at least one alcohol;
- c. at least one polymeric thickening agent comprising a nitrogen containing acrylic unit;
- d. a penetration enhancing effective amount of a skin penetration enhancing compound;
- e. an emulsifying agent;
- and
- f. an active agent;
- wherein said cream base is stable upon storage at ambient conditions, and clarifies at a temperature greater than 30° C.
5 more elements
21-45. (canceled)
Dependencies are inferred from the claim text.