| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_be2258efa1dd0212d91e87b0487f4ede |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-287
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B28-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-46 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-467
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B33-13
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-34 |
| filingDate |
2004-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2009-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a683feee8a0b5732292454907e7532d3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e0bb07f7e038696ae511bc9a8002cc7 |
| publicationDate |
2009-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2523086-C |
| titleOfInvention |
Biodegradable cement retarder compositions and methods of cementing in a subterranean formation |
| abstract |
The present invention is directed to hydraulic cement compositions comprising set-retarding additives and methods of retarding the set of a cement composition utilizing poly(amide) set-retarding additives and methods of cementing in subterranean zones utilizing a cement composition comprising a poly(amide) set-retarding additive. |
| priorityDate |
2003-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |