Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1980-03-10
1981-12-22
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430 98, 430138, 430107, 430110, 428403, 428407, 252316, 264 4, G03G 908
Patent
active
043071694
ABSTRACT:
Electroscopic marking particles comprising microcapsules consisting of a pressure fixable core and pressure rupturable shell which is characterized by the core comprising pressure fixable material and coloring matter and the shell is formed by interfacial polycondensation.
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patent: 3473923 (1969-10-01), Ohkubo et al.
patent: 3516941 (1970-06-01), Matson
patent: 3893932 (1975-07-01), Azar et al.
patent: 3981821 (1976-09-01), Kirtani
patent: 4220698 (1980-09-01), Brynko et al.
Moore Business Forms Inc.
Welsh John D.
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