Unit dosage forms
US4180558A · kind A · utility
41Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1978 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | Aug 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31978
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Use of an improved water-swellable carboxymethylcellulose paper in a unique pharmaceutical unit dosage form comprising a stack of edible webs laminated at the edges at least some of which are paper is described. The subject paper is a superior delaminating agent in said unit dosage forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.