Method for administering drug to gastrointestinal tract
US5785994A · kind A · utility
40Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1992 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Apr 1, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form is disclosed that comprises means inside the dosage form for providing a substantially drug-free interval before the dosage form delivers a drug from inside the dosage form. The dosage form in an embodiment comprises a drug on the exterior of the dosage form, which drug is available for immediate delivery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.