| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e0bf0928b608797b70bbc2b91c7e52e |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-23 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H21-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H21-18 |
| filingDate |
2007-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2011-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8baf7b72913cb22192450dc7a81fb4c3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e69563a663ee50e84998a971bad2759
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4006d135439edd63c4ec3e546ef18da8 |
| publicationDate |
2011-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-7922867-B2 |
| titleOfInvention |
Method for producing paper, paperboard and cardboard having high dry strength |
| abstract |
Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper products. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009145566-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11098453-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8349134-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11332889-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2013026578-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2023031667-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11702798-B2 |
| priorityDate |
2006-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |