http://rdf.ncbi.nlm.nih.gov/pubchem/patent/BE-1010617-A3
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d1f487b97bf4e5b635f47e4cc0fdc6df |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1042 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1005 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-163 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-16 |
| filingDate | 1996-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1998-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a6d576cd594f3491efc42f284c54006c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8169f846e81193004d7c96162d15ba43 |
| publicationDate | 1998-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | BE-1010617-A3 |
| titleOfInvention | PROCESS FOR BLEACHING PAPER PULP. |
| abstract | Process for delignification and bleaching of chemical paper pulp comprising an acid treatment step aiming to reduce by at least 30% the quantity of hexeneuronic acids present in the pulp, a step of adjusting the pH of the pulp aiming to deposit or redepositing alkaline earth metal ions on the pulp fibers, adding a chelating agent to the pulp before and / or during the acid treatment step and / or before, during or after the step pH adjustment, a step of washing the dough and a step of treating the dough with an oxidant. |
| priorityDate | 1996-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 48.