http://rdf.ncbi.nlm.nih.gov/pubchem/patent/BR-PI0508304-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C315-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C317-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C317-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C315-06 |
| filingDate | 2005-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a9cbb35b03c59a70fce1de7a62fdc8c3 |
| publicationDate | 2007-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | BR-PI0508304-A |
| titleOfInvention | process for processing beta-sulfatoethylsulfonylaniline-2-sulfonic acid starting from a solution in aqueous sulfuric acid |
| abstract | PROCESS FOR PROCESSING BETASULPHATOETHYLSULPHONYLANILINE-2-SULPHENIC ACID FROM A SOLUTION IN WATER SULFURIC ACID. Method for the processing of <225> -sulfateethylsulfonylaniline-2-sulfonic acid starting from an aqueous sulfuric acid solution, which comprises a first step of the <225> -sulfatoethylsulfonylaniline-2-sulfonic acid being precipitated by the addition of alkali metal salts or dissolved alkaline earth and / or ammonium alkaline or the sulfuric acid being precipitated by the addition of calcium salts and the resulting calcium sulfate being separated, if appropriate and a second step of the resulting solution being adjusted to a pH between 1 and by the addition of alkaline earth or alkali metal hydroxide, carbonate, bicarbonate and / or acetate, any calcium sulfate still present being separated and the β-sulfatoethylsulfonylaniline-2-sulfonic acid being isolated from the solution. |
| priorityDate | 2004-03-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.