Dosage form for lessening irritation of mocusa
US4971790A · kind A · utility
27Cited by
22References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition of matter comprising a drug, a neutral hydrogel and an ionic hydrogel. The composition can be administered from a delivery system to a biological receptor over time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.