Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_df53cdf55050f3f4580e1931741875b7 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-00 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-546 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-545 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-00 |
filingDate |
1994-11-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2001-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3946e3707af898071df28dc08b078705 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_68b15bd087e40b64e33e11e4cbc18b89 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c7690d4a9501a424cd057ff8c0ae0761 |
publicationDate |
2001-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-0658558-B1 |
titleOfInvention |
Separation of cephalosporin isomers |
abstract |
Process of depleting 7-amino-3-[(E)-2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid in Z/E mixtures of 7-amino-3-[2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid a) by subjecting an amine salt of a Z/E mixture of 7-amino-3-[2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid to crystallization and converting this amine salt into 7-amino-3-[2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid, or b) by subjecting the Z/E mixture to chromatography. zo |
priorityDate |
1993-11-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |