Lyophilized formulation of polyethylene oxide modified proteins with increased shelf-life
US5298410A · kind A · utility
69Cited by
12References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 25, 1993 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Feb 25, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A90/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are lyophilized biologically active proteinaceous compositions containing low diol polyalkylene oxide, such as polyethylene glycol, covalently attached to a biologically active proteinaceous substance and combined with the cryoprotectant cyclodextrin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.