| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2c904948e20cd58d469fe0a158f54383 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02W30-64 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21B1-342
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21B1-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21B1-345
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21B1-30 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21B1-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21C5-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21B1-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21B1-32 |
| filingDate |
1995-11-20^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4c9221eb05fa5d55c28b6228e6df311d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dbe067f2a8384feaa2fcdb315b6041d7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_470808a6cd321c42fc850a984b55bc70
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_041b7e8a5f633a93921129ac8dc1a5a9 |
| publicationDate |
1997-09-10^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0793747-A1 |
| titleOfInvention |
Methods for pulping and deinking |
| abstract |
Methods of recycling office waste paper of the type having ink and laser printed thereon. The wastepaper is simultaneously pulped and ink particles dispersed by kneading (2) the waste paper in the form of a high solids content aqueous mixture or sludge. After the simultaneous pulping and dispersing, no additional dispersion step is needed to form deinked paper stock. The high solids content aqueous mixture sludge is diluted and forwarded to wet deinking separation devices such as froth floatation unit (12) or the like. The thus treated pulp is washed (18) and results in the formation of a high quality pulp stock (20) ready for bleaching and/or paper making procedures. |
| priorityDate |
1994-11-21^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |