http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H07257929-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5fb9798bf05293ffe6d2e0fde58c3cdb |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09C1-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01F1-11 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G49-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G49-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09C1-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G49-02 |
| filingDate | 1994-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e1d023e258651d9be7be9602285ce482 |
| publicationDate | 1995-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H07257929-A |
| titleOfInvention | Method for producing granular goethite fine particle powder and method for producing granular iron oxide fine particle powder using the fine particle powder |
| abstract | (57) [Summary] [Object] To provide a method for industrially obtaining granular goethite fine particle powder and granular iron oxide fine particle powder having excellent dispersibility in a resin. A suspension containing an iron-containing precipitate is prepared by mixing an aqueous solution of ferrous salt and an aqueous alkali solution in which alkali carbonate and alkali hydroxide are used in combination, and the suspension is kept in a temperature range of 50 to 65 ° C. The mixture is maintained under stirring in an oxidizing atmosphere for 30 to 360 minutes, then water-soluble silicate is added to the suspension liquid, and an oxygen-containing gas is added to the suspension liquid in a temperature range of 50 to 60 ° C. The granular goethite fine particles are generated by carrying out an oxidation reaction by aerating, and the granular goethite fine particle powder is obtained by filtering, washing with water and drying. Further, the granular iron oxide fine particle powder is obtained by dehydrating, reducing and oxidizing the granular goethite fine particle powder by a conventional method. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2000504300-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2021532250-A |
| priorityDate | 1994-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 67.