| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F283-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F283-065 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F216-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F283-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F212-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56 |
| filingDate |
2016-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2019-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2019-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-106432601-B |
| titleOfInvention |
A kind of fluid loss additive and preparation method thereof |
| abstract |
The present invention discloses a kind of fluid loss additive, and the fluid loss additive is compound shown in formula (I): where M Na, K or H, a:b:c:d=8:(3~7): (1~1.25): (0.25~1.25).The fluid loss additive has good resistant to high temperatures and salt resistant character； |
| priorityDate |
2016-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |