| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_05a203d85ee01909eaf728dc16f0f6cb |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-495
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P25-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K9-2866
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K9-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K9-0004
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-519 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-495
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K9-28 |
| filingDate |
2007-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_09a8fc99f407a6f1a458f384e020d88f |
| publicationDate |
2009-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-101420939-A |
| titleOfInvention |
Asymmetric membranes for drug delivery devices |
| abstract |
The present invention provides an osmotic dosage form comprising a core containing at least one pharmaceutically active ingredient and which also comprises at least one asymmetric membrane coating wherein said coating comprises one or more substantially water-insoluble polymers, and, one or more solid, water-soluble polymeric materials that do not generate significant amounts of hydrogen peroxide or formaldehyde in long term storage. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109432022-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109432022-A |
| priorityDate |
2006-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |