http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102702094-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_105f88a3a3d9d52f37c80e3d6c58e1e2 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J29-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-89 |
| filingDate | 2012-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_96ccddbcd46e0f47beaeb6e99841665c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d4bf1137f9cde5e3c944ebe65cf2965d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aa94aad79d09614d3b302020cd399ed7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_17231ff5d19cda99b6435cdc70d2d813 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a4c00491f83a9923bf485934d23339f6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_671a0517fa10c89696406a7e2df1a150 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2a7c581aae22af1c5c92e6d88c633949 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_490c6dc7fe118adc97fa70da8ef1aced http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_49dda4fa6d66d02b499407bc4a4bc9dd http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_14d8b57da796c81c1e5728c9389cab4e |
| publicationDate | 2013-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102702094-B |
| titleOfInvention | Synthesis method of copper pyrithione |
| abstract | The invention relates to a synthesis method of copper pyrithione, which is characterized by comprising the following steps: (1) 2-chloropyridine oxidization: adding 2-chloropyridine and a catalyst into a container, and dropwisely adding hydrogen peroxide; (2) filtering the solution obtained in the step (1), carrying out vacuum drying on the filter cake, washing the filter cake, and carrying out vacuum drying on the filter cake again, wherein the obtained filter cake is the catalyst used in the step (1), and the filtrate is a 2-chloropyridine oxynitride solution; and (3) preparation of copper pyrithione. By using the synthesis method provided by the invention, the oxidization yield of 2-chloropyridine is enhanced from 80% to 98%, the total yield is enhanced from 75% to 93%, the product quality is enhanced from 95-96% to more than 98%, and the recycled catalyst can be used repeatedly; and thus, the raw material consumption is reduced, the production cost is lowered, the technological operation is simple, and the wastewater amount and COD (chemical oxygen demand) are obviously reduced. |
| priorityDate | 2012-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 74.