Dosage form containing diphenhydramine and another drug
US9592197B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2004 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Mar 9, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K45/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical dosage form which comprises diphenhydramine and/or a pharmaceutically acceptable salt thereof and at least one second drug. The dosage form provides a plasma concentration within the therapeutic range of the at least one second drug over a period which is coextensive with a substantial part of the period over which the dosage form provides a plasma concentration within the therapeutic range of diphenhydramine or salt thereof. This Abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.