1
Nam Sok Choi, Jorge Heller: Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates). Alza Corporation, Paul L Sabatine, Thomas E Ciotti, Edward L Mandell, June 6, 1978: US04093709 (263 worldwide citation)

The invention concerns orthoester and orthocarbonate polymers having a repeating mer comprising a hydrocarbon radical and a symmetrical dioxycarbon unit of the general formula: ##STR1## WHEREIN R.sub.1 is a multivalent hydrocarbon radical, R.sub.2 and R.sub.3 are hydrocarbon radicals with at least o ...


2
Nam Sok Choi, Jorge Heller: Poly(carbonates). Alza Corporation, Paul L Sabatine, Thomas E Ciotti, Edward L Mandell, March 14, 1978: US04079038 (122 worldwide citation)

Poly(orthoester carbonates) and poly(orthocarbonate carbonates) having a repeating linear carbonate unit and a recurring symmetrical dioxycarbon moiety with a plurality of organic groups pendant from the carbon atom thereof are disclosed. The polymers are represented by the structural formula: ##STR ...


3
Hyeon Kook Lee, Jung Hwan Park, Nam Sok Choi, Myung Jin Kim, Soo Hyeon Kim: Single-shot vaccine formulation. LG Chemical, Anderson Kill & Olick P C, May 19, 1998: US05753234 (76 worldwide citation)

A microparticle having a particle size ranging from 0.5 to 300 .mu.m, which is prepared by dissolving an antigen or a mixture of antigens in an aqueous solution, adding a water-soluble substance thereto, and removing water to obtain a core particle and coating the core particle with a biodegradable ...


4
Hyeon Kook Lee, Jung Hwan Park, Nam Sok Choi: Single-shot vaccine formulation. Lg Chemical, LIU GUOPING, December 3, 1996: CN96102728

A microparticle having a particle size ranging from 0.5 to 300 mu m, which is prepared by coating an antigen or a mixture of antigens with a water-soluble substance to obtain a core particle and coating the core particle with a biodegradable polymer; and a single-shot vaccine formulation prepared by ...