| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-46 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-512
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-2652
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-16 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-512
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-487 |
| filingDate |
1978-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1981-04-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-2830528-B2 |
| titleOfInvention |
Use of water-soluble anionic polymers as additives for deep drilling cement slurries |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102008063096-A1 |
| priorityDate |
1978-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |