http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107586360-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2205-14 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L33-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L41-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-88 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 |
| filingDate | 2017-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107586360-B |
| titleOfInvention | A kind of Star Polyacrylamide copolymer and preparation method thereof and drilling fluid |
| abstract | The present invention provides a kind of Star Polyacrylamide copolymer and preparation method thereof and include the drilling fluid of the Star Polyacrylamide copolymer.The Star Polyacrylamide copolymer is only added in drilling fluid, under high temperature environment, can not only reduce the filter loss of drilling fluid, while improves the high temperature rheology energy of drilling fluid, reduces the pressure loss of drilling-fluid circulation system. |
| priorityDate | 2017-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 43.