| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fb4203bc18c1dbc0a403a02781b3a759 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C3-222
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-1036
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C3-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-147
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21C9-005 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C9-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C3-00 |
| filingDate |
2018-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4cbcf528c07e5ee9f93b48f968db7183 |
| publicationDate |
2020-09-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
BR-112020004842-A2 |
| titleOfInvention |
improved oxygen delignification method for chemical wood pulps |
| abstract |
a method is provided to produce a high yield kraft pulp. in particular, the method involves adding a composition comprising an organic amine phosphonate and a linear sulfonated alcohol ethoxylate surfactant to a pulping process. the composition improves the delignification of cellulosic fiber in chemical wood pulps. |
| priorityDate |
2017-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |