Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c391364e0741043fad9d4ca5347ce1a6 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S430-104 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-097 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G15-09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-0821 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-0827 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-083 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-097 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-08 |
filingDate |
1991-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c6647d29fc333f735de9ec236a8d72f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0938d6df87c92737afc2edc5b3f5e9ac http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c6242f2ed7e2474f3626100506471d7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c4d9cd486eca79a1679330866e91c9e8 |
publicationDate |
1992-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-0488789-A1 |
titleOfInvention |
Magnetic developer for electrophotography |
abstract |
A one-component magnetic developer for electrophotography comprises single component magnetic toner particles and at least one fine particulate additive selected from hydrophobic silica, hydrophilic silica and alumina, wherein the toner particles have a specific surface area of 1.4 to 2.0 m²/g and a sphericity degree (DS) of 70 to 90% as defined by formula (I) DS = Cc/CT wherein Cc is the outer circumference of a circle having the same area as the projected area of the toner, and CT is the actual outer circumference of the projected plane of the toner. The developer has excellent flowability and can provide a high density image. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5561019-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1505448-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5912100-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0681224-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0581257-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5702858-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0699976-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7273686-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5906906-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2309791-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5981129-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2309791-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0860746-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0860746-A2 |
priorityDate |
1990-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |