Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e553651f1e0d23e577550d5e2b0623e |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2523-00 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-215 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-199 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-186 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-002 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-199 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-198 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-186 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-215 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
filingDate |
1991-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4c1be899ad9f150aa019f9aff62e4cf9 |
publicationDate |
1995-02-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
JP-H0731883-A |
titleOfInvention |
Improved phosphorus / vanadium-based oxidation catalyst |
abstract |
(57) Abstract: [PROBLEMS] To provide an improved phosphorus / vanadium-based oxidation catalyst used for partial oxidation of hydrocarbons such as n-butane. A catalyst containing a mixed oxide of phosphorus, vanadium, zinc and lithium according to the present invention comprises a molybdenum modifier as a modifier when digesting reduced vanadium, a zinc compound and a lithium compound in concentrated phosphoric acid. / It is produced by adding V in a molar ratio of 0.005-0.025: 1. The addition of Mo results in a catalyst that is significantly more stable, more active and has a longer life than the unreformed catalyst. |
priorityDate |
1990-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |