EP 0022639 B1 19830525 - ELECTROSTATOGRAPHIC TONER COMPOSITION AND ELECTROSTATOGRAPHIC DEVELOPER COMPOSITION
Title (en)
ELECTROSTATOGRAPHIC TONER COMPOSITION AND ELECTROSTATOGRAPHIC DEVELOPER COMPOSITION
Publication
Application
Priority
US 5419179 A 19790702
Abstract (en)
[origin: EP0022639A1] An electrostatographic toner composition comprising a colorant and a copolymer of from about 65 mol percent to about 75 mol percent vinyl chloride and from about 25 mol percent to about 35 mol percent of a lower alkyl maleate or fumarate, the copolymer having a number average molecular weight of from about 15,000 to about 25,000 and a weight average molecular weight of from about 45,000 to about 55,000.
IPC 1-7
IPC 8 full level
G03G 9/087 (2006.01)
CPC (source: EP)
G03G 9/08717 (2013.01); G03G 9/08731 (2013.01)
Designated contracting state (EPC)
GB
DOCDB simple family (publication)
EP 0022639 A1 19810121; EP 0022639 B1 19830525; CA 1140785 A 19830208; ES 493003 A0 19810601; ES 8105487 A1 19810601; JP S5612649 A 19810207
DOCDB simple family (application)
EP 80302229 A 19800702; CA 351553 A 19800509; ES 493003 A 19800701; JP 8905080 A 19800630