Topically administrable zinc phthalocyanine compositions
US5616602A · kind A · utility
5Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1994 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Jun 30, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A topically administrable pharmaceutical composition comprising (A) zinc phthalocyanine complex, (B) as carrier for the complex, (i) a N-alkylpyrrolidone together with a pharmaceutically acceptable co-solvent for the complex, (ii) dimethyl sulphoxide or a mixture thereof with a pharmaceutically acceptable co-solvent for the complex, (iii) a liposome, or (iv) a N,N-dialkylbenzamide or a mixture thereof with a pharmaceutically acceptable co-solvent for the complex, and (C) a gelling agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.