| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-573
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-47 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-573
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-487
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-47 |
| filingDate |
1992-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0d964ef8d1f87de57bfdf102c8bac745
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_15dd6bb531d796d44a39321501694b45 |
| publicationDate |
1993-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0569492-A1 |
| titleOfInvention |
Method for purification of carboxylic acids and anhydrides |
| abstract |
A method of reducing the level of olefinic impurities in solutions of carboxylic acids and / or anhydrides, comprising contacting said solution with a strongly acidic resin. |
| priorityDate |
1991-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |