http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-553896-B
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_433f8e8d0240971fcd2c7b8d1b3064f2 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B21-16 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B21-16 |
filingDate | 1999-05-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2003-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_55a5923f2b2a1bcf9b05881582d8119c |
publicationDate | 2003-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | TW-553896-B |
titleOfInvention | Process for the preparation of hydrazine hydrate |
abstract | The present invention relates to a process for the preparation of hydrazine hydrate in which methyl ethyl ketone azine is hydrolysed in order to obtain hydrazine hydrate and methyl ethyl ketone, characterized in that heterocycles of the pyrazoline family are bled off in an amount sufficient to prevent coloration of the hydrazine hydrate. |
priorityDate | 1998-05-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 66.