| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_44d3df7cf14918ab424e2bfb93f1d95f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5b058c025d5de1bb181f49bc865ca906
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_92ee9a3e8398170dc18809a632dd90f1 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D275-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D275-04 |
| filingDate |
2011-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_67519a884c887c6e183a966c3732ab1b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5da8793c70aa40ed1989ad4eb4dc044b |
| publicationDate |
2013-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2013109864-A1 |
| titleOfInvention |
Process for preparing 1,2-benzoisothiazoline-3-one |
| abstract |
Sodium sulfide hydrate is at least partially dehydrated by heating with N-methyl 2-pyrrolidone. 2-chlorobenzamide is added to the mixture which is heated further. The mixture is cooled and treated with aqueous hydrogen peroxide to give the sodium salt of 1,2-benzoisothiazoline-3-one in good yield. Acidification if desired gives rise to the free 1,2-benzoisothiazoline-3-one. |
| priorityDate |
2011-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |