Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_664f5b543543aac4cf0153a4ef4e0f85 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-90 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2235-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2245-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2215-52 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04351 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04454 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04303 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04412 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F25J3-04 |
filingDate |
1997-03-03^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a8b3c31b60044c85aff55f9507655306 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_babe4ddbc1e27f6e0fd353402abb68e6 |
publicationDate |
1997-10-08^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-0800047-A2 |
titleOfInvention |
Cryogenic rectification system for producing lower purity gaseous oxygen and high purity oxygen |
abstract |
A cryogenic rectification system for producing lower purity gaseous oxygen and high purity oxygen employing a double column and an auxiliary column which upgrades lower pressure column bottom liquid or processes higher pressure column kettle liquid. |
priorityDate |
1996-04-05^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |