Crystalline interleukin-4
US5597900A · kind A · utility
1Cited by
1References
6Claims
0Family size
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Key dates
| Filing date | Jan 20, 1995 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Jan 20, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for crystallizing recombinant human interleukin 4 (rhulL-4) from a solution containing a sulfate or citrate salt is described. The crystalline form is suitable for x-ray diffraction and has wide applications in several pharmaceutical processes including purification, formulation and manufacturing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.