The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2002
Filed:
Apr. 21, 2000
Jang Young Lee, Seoul, KR;
Soon Sang Guan, Kyungki-do, KR;
Jin Han Kim, Seoul, KR;
Jong Won Park, Kyungki-do, KR;
Moon Jae Choi, Kyungki-do, KR;
Yu Chang Kim, Seoul, KR;
Pacific Corporation, Seoul, KR;
Abstract
Disclosed is a composition for use in dermal application. The composition includes microbeads or chemically stable particles having an internal structure of pores. A chemical compound having a pharmaceutical or cosmetic activity is retained in the internal structure of the porous particles. Each of the particles is coated with at least one of a silicone and a polysiloxane-based compound. Also disclosed is a method of making a composition. A plurality of particles containing a chemical compound in its internal structure is prepared. A coating mixture including at least one of a silicone and a polysiloxane-based compound with a solvent is also prepared. The particles are mixed with the coating mixture, which coats over the particles. The coated particles are subject to drying to evaporate the solvent from the coating mixture.