Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RIKEN DENGU SEIZO KK
Toshiba Corp
Original Assignee
RIKEN DENGU SEIZO KK
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RIKEN DENGU SEIZO KK, Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalRIKEN DENGU SEIZO KK
Priority to JP4615977ApriorityCriticalpatent/JPS53131047A/en
Publication of JPS53131047ApublicationCriticalpatent/JPS53131047A/en
PURPOSE: To effect easy jump even for a weak alternating magnetic field to form a stable developing layer by forming a coating of non-magnetic material on the surfaces of hard magnetic particles to be magnetized.
COPYRIGHT: (C)1978,JPO&Japio
JP4615977A1977-04-211977-04-21Developing agent for electrostatic latent image
PendingJPS53131047A
(en)