| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D317-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D319-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G4-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D321-06 |
| filingDate |
1992-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_51f49bf84544165fb7d3848647c9a59c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_472f1a964836c432726b98ffbe69dd0c |
| publicationDate |
1993-12-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0572545-A1 |
| titleOfInvention |
PURIFICATION OF CYCLIC CETENE ACETALS. |
| abstract |
Improved process for the purification of cyclic ketene acetals, such as 2-methylene-1,3-dioxepane. The method involves purification of cyclic ketene acetal by distillation in the presence of a solvent and an amine. |
| priorityDate |
1991-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |