| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7b4f43175276bfe6035ae2db2367b425 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-0827
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-09708
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-09733
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-09725
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G21-1814
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-0975 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-087
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-097 |
| filingDate |
2010-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fc52a78277db4174e06280bca8a6e1de |
| publicationDate |
2012-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2012053241-A |
| titleOfInvention |
Developer, developing device and image forming apparatus |
| abstract |
An object of the present invention is to suppress contamination on a recording medium caused by external additives wound around a charging roller. A negatively chargeable developer having negatively chargeable toner base particles having at least a binder resin and a colorant and an external additive externally added to the surface of the toner base particles. The additive includes polymethyl methacrylate having a positive chargeability of 0.4 to 0.8 part by weight with respect to 100 parts by weight of the toner base particles. [Selection] Figure 1 |
| priorityDate |
2010-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |