Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7f9af914ed2fb00cd4f1b8b1a28964e4 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2523-00 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-252 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-002 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-8885 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-885 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-25 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-888 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-055 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-885 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-22 |
filingDate |
1995-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a783baaa102e75310e80c44a5c3d60a4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b95add118f91c35b918fdf5cd0ba9b15 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1b11f8476a271f4792f72e06b4c5d11c |
publicationDate |
1998-05-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
CZ-295695-A3 |
titleOfInvention |
Process for producing acrylic acid |
abstract |
Acrylic acid can be produced efficiently by subjecting acrolein to catalytic gas-phase oxidation in the presence of a molybdenum/vanadium-based oxide catalyst prepared by using particular substances as the raw materials of the individual metal elements constituting the catalyst. A preferable example of such a catalyst is prepared by using, as the raw materials of vanadium, ammonium metavanadate and at least one vanadium oxide in which the valency of vanadium is larger than 0 but smaller than 5; as the raw material of copper, copper nitrate; and, as at least part of the raw material(s) of antimony, at least one antimony oxide in which the valency of antimony is larger than 0 but smaller than 5. |
priorityDate |
1994-11-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |