EP 0463412 A1 19920102 - Magnetic colored encapsulated toner compositions.
Title (en)
Magnetic colored encapsulated toner compositions.
Title (de)
Eingekapselte magnetische gefärbte Tonerzusammensetzungen.
Title (fr)
Compositions de toner encapsulé, magnétique, coloré.
Publication
Application
Priority
US 54627890 A 19900629
Abstract (en)
An encapsulated toner composition comprised of a core comprised of a polymer resin, color pigment, dye or mixtures thereof, a substantially colorless magnetic material, and a whitening agent; which core is encapsulated in a polymeric shell.
IPC 1-7
IPC 8 full level
G03G 9/08 (2006.01); G03G 9/083 (2006.01); G03G 9/093 (2006.01)
CPC (source: EP)
G03G 9/083 (2013.01); G03G 9/0832 (2013.01); G03G 9/09328 (2013.01); G03G 9/09335 (2013.01); G03G 9/09342 (2013.01); G03G 9/09385 (2013.01)
Citation (search report)
- [A] EP 0362859 A2 19900411 - CANON KK [JP]
- [A] US 4851318 A 19890725 - HSIEH BING R [US], et al
- [A] PATENT ABSTRACTS OF JAPAN, vol. 12, no. 422 (P-783)[3269], 9th November 1988; & JP-A-63 157 167 (FUJI PHOTO FILM CO.) 30-06-1988
- [A] PATENT ABSTRACTS OF JAPAN, vol. 12, no. 359 (P-762)[3206], 27th September 1988; & JP-A-63 110 459 (MATSUSHITA ELECTRIC IND. CO.) 14-05-1988
- [A] PATENT ABSTRACTS OF JAPAN, vol. 13, no. 377 (P-922)[3725], 22nd August 1989; & JP-A-1 131 574 (TOPPAN PRINTING CO., LTD) 24-05-1989
- [A] DATABASE WPIL, accession no. 89-195264 [27], Derwent Publications Ltd, London, GB; & JP-A-1 131 574 (TOPPAN PRINTING)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0463412 A1 19920102; CA 2041940 A1 19911230; JP H04233552 A 19920821
DOCDB simple family (application)
EP 91109145 A 19910604; CA 2041940 A 19910507; JP 15191791 A 19910624