| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d1f487b97bf4e5b635f47e4cc0fdc6df |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1057
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1005
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-147
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-163 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-147
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-16 |
| filingDate |
1992-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1994-02-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1994-02-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
BE-1005800-A3 |
| titleOfInvention |
PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF A CHEMICAL PAPER PULP. |
| abstract |
Process for the delignification and bleaching of a chemical paper pulp comprising subjecting the pulp to a sequence of treatments comprising an acid pretreatment and a subsequent step of delignification with oxygen and hydrogen peroxide in an alkaline medium in which the hydrogen peroxide is introduced at least 10 minutes after the other reagents. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1244840-A4 |
| priorityDate |
1992-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |