Compositions – Electrolytes for electrical devices
Patent
1977-10-07
1978-09-12
Goolkasian, John T.
Compositions
Electrolytes for electrical devices
427216, 428403, G03G 910, G03G 914
Patent
active
041136411
ABSTRACT:
It has been found that unexpectedly high charge to mass ratios may be achieved in a development powder if the carrier particle of the development powder is treated with a perfluoroalkyl sulfonic acid. Treating carrier particles with a monolayer of such an acid has produced charge to mass ratios of 20 to 26 .times. 10.sup.-6 coulombs/gm. The acid concentration in of the solution used in this treatment has been found to be critical.
REFERENCES:
patent: 3900587 (1975-08-01), Lenhard et al.
patent: 3922381 (1975-11-01), Datta
patent: 4071655 (1978-01-01), Brana et al.
patent: 4073980 (1978-02-01), Westdale et al.
Brana George
Russell John J.
Goolkasian John T.
Pitney-Bowes Inc.
Scribner Albert W.
Soltow, Jr. William D.
Vrahotes Peter
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