Enteric coating liquid
US4606771A · kind A · utility
2Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1984 |
| Grant date | Aug 19, 1986 |
| Priority date | — |
| Expiry date | Aug 30, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2866
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An aqueous enteric coating liquid having a good dispersion stability and a good resistance to gastric juice comprising an alkali metal salt of an acid having a acid dissociation constant of at least 3 at 25.degree. C. and a water-insoluble oxycarboxylic acid type cellulose derivative dispersed in water or a mixture of water and at most 20% by weight of a lower alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.