Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1986-04-24
1987-07-21
Welsh, J. David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430903, G03G 908
Patent
active
046818308
ABSTRACT:
A flowable, dry powder of particles of a developing composition are provided. The compositions may be either heat- or pressure-fixable and utilize from about 0.4 to 10 parts by weight of fluorinated carbon per 100 parts by weight of a thermoplastic binder and a magnetically responsive material. The fluorinated carbon has a degree of fluorination in the range of 10% to 100% and an average diameter below about 2 microns. The developing powder compositions possess improved flow humidity resistance and provide dramatically improved copy quality.
REFERENCES:
patent: 3639245 (1972-02-01), Nelson
patent: 4141849 (1975-02-01), Hasegawa
Burton Craig A.
Helland Randall H.
Lilly James V.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Welsh J. David
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