http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107501138-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d238b2d5712197bbfbf9246ee5207763 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-47 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-06 |
| filingDate | 2017-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2018254f10d325b0f9c49a063bca75e9 |
| publicationDate | 2017-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107501138-A |
| titleOfInvention | A kind of preparation method of Sulpho Tobias Acid |
| abstract | A kind of method for preparing salt-free Sulpho Tobias Acid, it is characterised in that this method comprises the following steps：(1) sulfonation；(2) sulfonated liquid refines；(3) acid out；(4) press filtration；(5) crush.The present invention has the advantages of notable and beneficial effect compared with prior art：Suitable for industrialized production, the accuracy and operability of production technology can be kept；The sulfonating reaction temperature of preparation process is relatively low, reaction condition is gentle, accessory substance is few, high conversion rate, and sulfuric acid tail gas and SO3 gases are recycled, and alleviate the pollution to environment. |
| priorityDate | 2017-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 23.