| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01C1-0411 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01C1-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J37-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-78 |
| filingDate |
1971-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1972-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-2115860-A1 |
| titleOfInvention |
Catalysts for ammonia synthesis - contg iron oxide, aluminium (hydr)oxide and calcium or magnesium (hydr)oxide |
| abstract |
Catalysts are pred. thus: iron oxide, gamma-Al2O3 or aluminium hydroxide Al(OH)3 and Ca or Mg oxide or hydroxide are ball-milled and then formed into balls, dried, and sintered at 1000-1500 (1310-1320) degrees C. Si cpds. can opt. be added as silicic acid sol and/or potassium waterglass. Sintering takes place in an atmos. practically free of catalyst poisons contng. 1-1000 ppm. O2 and/or CO2/CO ratio of 6-7000:1 and/or H2O/H2 ratio >20:1, and/or has a dew point of not >60 degrees C. if it contains water vapour. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2017225955-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2572955-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4705769-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0174080-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0223439-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0249360-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0249360-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0331466-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0222542-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0222542-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0223439-A3 |
| priorityDate |
1971-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |