| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b1cb566e8ba605ee762b0a451e3e0ac8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G21-20 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G21-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B13-00 |
| filingDate |
1969-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1971-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d1ca2ca65be463ef4836181ab05370f8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85c627576806bdfe9cef68b8130b125a |
| publicationDate |
1971-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3620670-A |
| titleOfInvention |
Recovery of lead values from solution |
| abstract |
Recovery of lead values from lead-bearing material, by leaching the said material at ambient temperature for a period not exceeding 1 hour with a mixture of ammonium sulfate and aqueous ammonia to produce a supersaturated solution, separating undissolved substances, treating the resultant solution at a temperature higher than that at which the leaching operation was effected without substantial loss of ammonia, to cause precipitation of a major portion of the lead content from the said solution, and separating the precipitated solids. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9670565-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3882019-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106916952-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3911076-A |
| priorityDate |
1968-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |