Claims
- 1. A process for the manufacture of a frozen, stable aqueous dispersion of a copolymer and a drug, the drug comprising up to 99% by weight of the copolymer plus drug content, and the copolymer comprising a pharmaceutically or veterinarily acceptable amphipathic, non-crosslinked linear, branched or graft block copolymer, which has a minimum weight average molecular weight of 1000, in which the hydrophobic component is biodegradable or hydrolytically unstable under normal physiological conditions, and the hydrophilic component may or may not be biodegradable or hydrolytically unstable under such conditions, characterized by freeze-drying a frozen, stable aqueous dispersion of the copolymer and the drug.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8416234 |
Jun 1984 |
GBX |
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Parent Case Info
This is a division of application Ser. No. 747,173, filed June 21, 1985, now U.S. Pat. No. 4,745,160.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
58481 |
Aug 1982 |
EPX |
Non-Patent Literature Citations (2)
Entry |
"Dictionary of Science and Technology": Editor T. C. Collocott M. A. W. & R. Chambers (1971). |
"Concise Chemical and Technical Dictionary" Edited by H. Bennett, F.A.I.C., Director, B. R. Laboratories (1986). |
Divisions (1)
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Number |
Date |
Country |
Parent |
747173 |
Jun 1985 |
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