Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1979-06-25
1981-04-14
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430108, 430109, 430110, 430111, 252 6254, G03G 900
Patent
active
042620775
ABSTRACT:
A flowable, pressure-fixable, magnetic, dry toner powder comprising from about 25 to about 70 percent by weight of a binder material, said binder material comprising a mixture of a polystyrene and a polyolefin/vinyl acetate copolymer, from about 30 to about 75 percent by weight of a magnetically permeable material, and from about 0.5 to about 2.0 percent by weight of conductive carbon.
REFERENCES:
patent: Re25136 (1962-03-01), Carlson
patent: 3840464 (1974-10-01), Van Engeland
patent: 3947370 (1976-03-01), Miller
patent: 3974078 (1976-08-01), Crystal
patent: 4108653 (1978-08-01), Peters
Alexander Cruzan
Chernivec Gerald F.
Downey Mary F.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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