| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D315-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D315-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D305-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-88
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-88 |
| filingDate |
1990-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c358ef310c7e3a7c48bb6362815d07f8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b10f00026b947dec44c337889b187e59
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_266fda7ea6969ff65356b2ebf62b314c |
| publicationDate |
1990-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0377438-A1 |
| titleOfInvention |
Method for the reduction of the polymer content in the dimerisation of ketene |
| abstract |
The polymer content in the production of diketene by dimerizing ketene is reduced by adding sulfur dioxide to the ketene gas or the reaction medium. |
| priorityDate |
1989-01-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |