Aqueous enteric coating compositions
US5851579A · kind A · utility
19Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1997 |
| Grant date | Dec 22, 1998 |
| Priority date | — |
| Expiry date | Oct 8, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2866
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention sets forth an enteric coating composition comprising a blend of PA1 a) an alkali-soluble acrylic latex polymer and PA1 b) an aqueous solution of ammonium or alkaline salts of cellulose polymers. The invention also sets forth a method for preparing an enterically-coated dosage form and a method for preparing the present compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.