Aqueous pharmaceutical formulations of sodium cromoglycate
US5475023A · kind A · utility
16Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Jul 28, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P27/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical formulation comprising a substantially clear aqueous solution having a viscosity of less than 10 mPa.s containing 3.5 to 5% w/v of 1,3-bis(2-carboxychromon-5-yloxy)-propan-2-ol, or a pharmaceutically acceptable salt thereof, as active ingredient and glycerol, the concentration of ions of metals of groups IIA, IB, IIB and IVB of the periodic table or of transition metals being less than 20 ppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.