http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2726752-C
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8cac4ca8509c3ca45aca9a0274628c6e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-035 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B21-14 |
| filingDate | 2007-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2012-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_05cc3f40e970bde085cb1485f202f34e |
| publicationDate | 2012-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2726752-C |
| titleOfInvention | Surfactant materials and coatings for weighting agents for use in oil based drilling fluids |
| abstract | Disclosed is a weighing agent for a wellbore fluid, the weighing agent comprising a powdered solid; and a polymeric additive coating the powdered solid; wherein the polymeric additive comprises a polymer formed by mixing at least one lipophilic monomer and at least one crosslinking agent; wherein the at least one lipophilic monomer is an epoxide-functionalized derivative of at least one selected from soybean oil, linseed oil, rapeseed oil, cashew nut shell oil; perilla oil, tung oil, oiticia oil, safflower oil, poppy oil, hemp oil, cottonseed oil, sunflower oil, high-oleic triglycerides, triglycerides of euphorbia plants, peanut oil, olive oil, olive kernel oil, almond oil, kapok oil, hazelnut oil, apricot kernel oil, beechnut oil, lupine oil, maize oil, sesame oil, grapeseed oil, lallemantia oil, castor oil, herring oil, sardine oil, menhaden oil, whale oil, tall oil, and synthetic aliphatic or aromatic ethers; and wherein the at least one crosslinking agent comprises at least one selected from amines, alcohols, phenols, thiols, carbanions, carboxylates, and mixtures thereof. |
| priorityDate | 2006-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 59.