| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2235-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2245-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2235-52 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04872
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04321
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04284
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04454
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04303 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F25J3-04 |
| filingDate |
1995-03-24^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1995-12-22^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
KR-950033378-A |
| titleOfInvention |
Low Temperature Rectification System for Manufacturing High Pressure Nitrogen |
| abstract |
The present invention can optimize the recovery rate by improving the flexibility of rectification by a low temperature rectification system that produces a large amount of high pressure nitrogen using additional columns operating at pressures between high and low pressures. |
| priorityDate |
1994-03-25^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |