http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107866251-B
Outgoing Links
Predicate | Object |
---|---|
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-224 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-04 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-224 |
filingDate | 2016-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2019-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationDate | 2019-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CN-107866251-B |
titleOfInvention | Catalyst for preparation of pyromellitic anhydride |
abstract | 2 3 the invention relates to a catalyst for preparing pyromellitic dianhydride, which mainly solves the problem of low yield of pyromellitic dianhydride caused by a plurality of byproducts generated in the preparation process of pyromellitic dianhydride in the prior art. |
priorityDate | 2016-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 65.