http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1343751-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c902faf6ae746c51fc8010672fc22894 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-012 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G85-004 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G85-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03F7-012 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-34 |
| filingDate | 1972-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1974-01-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1343751-A |
| titleOfInvention | Compositions and process |
| abstract | 1343751 Chloro- and azidosulphonyl phthalic anhydrides UPJOHN CO 19 April 1972 [10 May 1971] 18187/72 Heading C2C [Also in Divisions C3 and G2] The preparation of 4-chlorosulphonyl-phthalic anhydride (I) and 4-azidosulphonylphthalic anhydride (II) is described. I is prepared by reacting PCl 5 with 4-sulphophthalic anhydride in acetonitrile suspension. II is obtained by subsequent reaction of I with sodium azide. |
| priorityDate | 1971-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.