1
Yoshiya Yamahira, Keiji Fujioka, Shiegeji Sato, Yoshihiro Takada: Long-term sustained-release preparation. Sumitomo Pharmaceuticals Company, Birch Stewart Kolasch & Birch, September 27, 1988: US04774091 (99 worldwide citation)

A solid sustained-release preparation in the form of a needle-like or bar-like shape, which consists essentially of an active ingredient and a pharmaceutically acceptable biodegradable carrier (e.g. proteins, preferably collagen, gelatin, and a mixture thereof). The sustained-release preparation can ...


2
Yoshiya Yamahira, Keiji Fujioka, Shigeji Sato, Yoshihiro Takada: Long-term sustained-release preparation. Sumitomo Pharmaceuticals Company, Birch Stewart Kolasch & Birch, June 4, 1991: US05021241 (38 worldwide citation)

A solid sustained-release preparation in the form of a needle-like or bar-like shape, which consists essentially of an active ingredient and a pharmaceutically acceptable biodegradable carrier (e.g. proteins, preferably collagen, gelatin, and a mixture thereof). The sustained release preparation can ...