http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20210135698-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2239-0492 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D39-1615 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A62B23-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A62B18-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A62B23-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A62B18-02 |
| filingDate | 2020-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20210135698-A |
| titleOfInvention | Mask comprising the novel compound |
| abstract | The present invention provides a composition and a mask comprising a positively charged filter layer comprising N,N,N-trimethyl chitosan. N,N,N-trimethyl chitosan prepared through methylation can block harmful substances for a longer period than conventional masks with electrostatic force through strong positive charge. |
| priorityDate | 2020-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.