abstract |
PCT No. PCT/FR86/00306 Sec. 371 Date Jul. 9, 1987 Sec. 102(e) Date Jul. 9, 1987 PCT Filed Sep. 12, 1986 PCT Pub. No. WO87/01588 PCT Pub. Date Mar. 26, 1987.The invention concerns the preparation of a slow-release drug characterized by the coating of a core comprising a therapeutically active principle by means of a substance which retards its release and by means of an additional layer consisting of an enteric substance. |