Global Patent Index - EP 0001785 B1

EP 0001785 B1 19811230 - CLASSIFIED ELECTROSTATOGRAPHIC TONER MATERIAL, DEVELOPING MIXTURE AND DEVELOPING PROCESS USING THIS MIXTURE

Title (en)

CLASSIFIED ELECTROSTATOGRAPHIC TONER MATERIAL, DEVELOPING MIXTURE AND DEVELOPING PROCESS USING THIS MIXTURE

Publication

EP 0001785 B1 19811230 (DE)

Application

EP 78101178 A 19781019

Priority

US 84817377 A 19771103

Abstract (en)

[origin: EP0001785A1] 1. Classified electrostatographic toner material characterized in that it contains particles having the following size distribution : a) less than 2% by weight of the particles being greater than 16 microns ; b) from 9 to 15% by weight of the particles being smaller than 5 microns ; c) the remaining particles being between 5 and 16 microns in size ; and that it has a particle median size by weight between 8.5 and 9.5 microns.

IPC 1-7

G03G 9/08

IPC 8 full level

G03G 9/08 (2006.01); G03G 9/083 (2006.01)

CPC (source: EP)

G03G 9/0819 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0001785 A1 19790516; EP 0001785 B1 19811230; AR 223330 A1 19810814; BR 7807248 A 19790515; CA 1132827 A 19821005; DE 2861483 D1 19820218; IT 1160021 B 19870304; IT 7829273 A0 19781031; JP S5472054 A 19790609; JP S598822 B2 19840227

DOCDB simple family (application)

EP 78101178 A 19781019; AR 27421678 A 19781025; BR 7807248 A 19781101; CA 307348 A 19780713; DE 2861483 T 19781019; IT 2927378 A 19781031; JP 13274178 A 19781030