| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 09.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Topical compn for the delivery of retinoic acid to the skin, the compn comprising - Solid particles composed of a cross-linked copolymer of monoethylenically unsaturated monomers & polyethylenica lly unsaturated monomers free from reactive functionalities & having a cross-linking d. 20-80%, wherein said particles contain a continuous noncollapsible network of pores open to the exterior of said particles, are spherical in shape, & have an av diam 1-100 microns, total pore vol 0.01-4.0 cc/g surface area 1-500 square.m/g & av pore diam. 0.001-3 mi crons - An impregnant comprising retinoic acid retained inside said pores in an amount effective to promote SKIN RE PAIR, wherein retention of said retinoic acid inside said pores reduces irritancy of the compn when compared to application of the same amount of free retinoic acid wothout loss of skin repair promotion activity |
| PATENT PHOTOCOPY | Available on request |
|
Want more information ? Interested in the hidden information ? Click here and do your request. |