| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f435a22ec37e11f8ac795d6f2814ed73
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1e5ff22ac9b002da0f5688513627881c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_442aea0d4c1d616e18cedcff4ad67a55 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1042 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-10 |
| filingDate |
1996-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_53cb88552ba82bb6498afb217e7cf729
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8dbbf2a0b701fdb0450c6042943906c |
| publicationDate |
1997-03-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-9708380-A1 |
| titleOfInvention |
Treatment of pulp with chelating agent in at least two mixing steps without intermediate washing |
| abstract |
A method of chlorine-free bleaching of pulp where metals are removed by means of a chelating agent. The chelating agent is admixed to the pulp in at least two subsequent mixing steps without intermediate washing. The stay-time between the mixing steps shall be less than 15 minutes, and the pulp is washed after the last mixing step. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-9829597-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-726599-B2 |
| priorityDate |
1995-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |