| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-902
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-935
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-922
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S507-903 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-685
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F7-003 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C213-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C215-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B43-26 |
| filingDate |
1988-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1992-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1992-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0278684-B1 |
| titleOfInvention |
Zirconium chelates and their use for cross-linking |
| abstract |
A water-soluble zirconium chelate formed from a tetraalkyl zirconate and hydroxyethyl-tris-(hydroxypropyl) ethylene diamine, and use of the chelate as cross-linking agents in hydraulic fracturing fluids and in gels that are used for selectively plugging permeable zones in subterranean formations or for plugging subterranean leaks. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101421373-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-2008264981-B2 |
| priorityDate |
1987-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |