Pharmaceutical preparation for obtaining a highly viscose hydrogel or suspension
US4818517A · kind A · utility
148Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1987 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Jan 20, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/36
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a pharmaceutical preparation for obtaining a highly viscose hydrogel or highly viscose suspension which is suitable to be introduced by means of an injection syringe into body cavities, and which hydrogel or suspension contains at least a drug, a polymer which is insoluble or sparingly soluble in water but has the capability of swelling in water and a watersoluble thickening agent in a relatively low quantity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.