Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1986-02-13
1987-01-13
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...
430137, 430138, 430 98, 430903, 428407, G03G 908
Patent
active
046364510
ABSTRACT:
Pressure-fixable toner particles suitable for use in electrostatic copying machines and method of preparing same. The toner particle is spherical in shape and comprises a thin, substantially continuous surface layer of polyurea, and an interior portion comprising a matrix of polyurea, said matrix having a colorant and pressure-fixable material contained therein, said polyurea matrix forming a continium extending from the surface layer inwardly toward the center of said particle. The method comprises:
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Matkin Josef
Treleaven Richard J.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Weinstein David L.
Welsh John D.
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