Powdery pharmaceutical composition containing benzoyl urea, a dispersant and silicic acid
US5098907A · kind A · utility
41Cited by
7References
7Claims
0Family size
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Key dates
| Filing date | Jan 23, 1990 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Jan 23, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A powdery pharmaceutical composition comprising a benzoyl urea compound of the formula: ##STR1## wherein X is a halogen atom or a nitro group, Y is a hydrogen atom, a halogen atom, a nitro group or a trifluoromethyl group, Z.sub.1 is a halogen atom or a trifluoromethyl group, Z.sub.2 is a hydrogen atom or a halogen atom, and A is CH or a nitrogen atom, as an active ingredient, a nonionic surfactant as a dispersant, at least one member selected from the group consisting of sugar, sugar-alcohol and a nonionic surfactant as a disintegrant, and anhydrous silicic acid as a fluidizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.