| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8998414f4af751356ffc043064317b64 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-147
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-163
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-14 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1036 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-10 |
| filingDate |
2011-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fe27f85ec844c08ed9d8f8d7cc0b39fa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b33c1822ed96a28194b385384a7c0bf |
| publicationDate |
2011-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2789180-A1 |
| titleOfInvention |
Method for pulp bleaching |
| abstract |
A process for pulp bleaching is disclosed wherein an amino acid phosphonic acid is used together with a bleaching agent, pH regulants and pH buffers for pulp treatment in an aqueous medium. The bleaching agent can be represented by oxidative and reductive bleaching agents. The oxidative bleach treatment is conducted in alkaline medium whereas the reductive treatment is conducted in mildly acid medium. |
| priorityDate |
2010-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |