http://rdf.ncbi.nlm.nih.gov/pubchem/patent/MX-PA01010220-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b8be6a6c990669567cc455d32b00535e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-20 |
| filingDate | 2000-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6f3d7cc49a7fc1f885efa6995728f484 |
| publicationDate | 2002-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | MX-PA01010220-A |
| titleOfInvention | WATER SOLUBLE POLYMEROSANPHOTERICS CONTAINING QUATERNARY NITROGEN AND ITS USE IN PERFORATION FLUIDS. |
| abstract | In general, the present invention relates to water-based drilling fluid compositions containing at least one viscosity improver and at least one rheological control agent, wherein said rheological control agent is an amphoteric polymer, cationic groups of said amphoteric polymer being quaternary ammonium groups. |
| priorityDate | 1999-04-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 142.