| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d1d1d1c9a6df2ff5ec6410fbae27965e |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2111-1075
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-0014
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-0096 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B22-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B7-425 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B09B3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B7-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B22-10 |
| filingDate |
2000-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_78732108257e5ba40d5a39567babd03f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f50b92104bae8931582f5b3ebfe5e506
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93c29e676248b525feb8b4db489fbf95 |
| publicationDate |
2004-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CZ-293588-B6 |
| titleOfInvention |
A method for producing a chromium-reduced cement |
| abstract |
The present invention relates to a process for producing a chromium-reduced cement, wherein 0.01 to 10% by weight of mechanically and / or heat-treated iron carbonates are used in the feedstock as the ferric correction component, followed by firing the feedstock at a temperature of 1400 degC. to 1500 degC, thereby achieving a primary reduction in Cr.sup.VI.n. in cement to 0.5 to 20 mg Cr.sup.VI.n..kg.sup.-1.n. cement. Chemically modified activated iron carbonates in an amount of 0.01 to 1% by weight are added to the cement thus prepared during grinding and / or grinding to reduce the Cr.sup.Vl.n. in cement below 0.5 mg Cr.sup.VI.n..kg.sup.-1.n. cement |
| priorityDate |
1999-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |