| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d4ef398304b234e84d11647b7a2b0629 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-934 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-528 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-528 |
| filingDate |
1989-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1990-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_11c681ce6e59db3670b5e700ed9878ed
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_68a117d60cddda038f045ff757242fca
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c5f74cc1a72a9f23f33303becd903a06 |
| publicationDate |
1990-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1278178-C |
| titleOfInvention |
Anti-sludging treatment |
| abstract |
ABSTRACT OF THE DISCLOSURE The invention discloses a process for reducing sludging during acid treatment of an oil well by adding phosphinic acid or a soluble salt thereof and a source of cupric or cuprous ion. The addition of an iodide ion source to this combination aids its effectiveness in stronger acids. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6415865-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6706668-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6653260-B2 |
| priorityDate |
1989-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |