Process for the preparation of acrylic polymers for pharmaceutical coatings
US5380790A · kind A · utility
39Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1993 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Sep 9, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/1802
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a process useful for preparing acrylic polymers of methacrylic acid and ethyl acrylate. The process provides polymers useful as enteric coatings for medicaments in solid form, said coatings having improved effectiveness, reproducibility and coating efficiency. Also provided are medicaments in solid form coated with such polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.