Magnetic developer compositions

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430107, 430108, 430109, 430122, G03G 908

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active

045268517

ABSTRACT:
Magnetic developer compositions contain ferrous carbon. The ferrous carbon is a fibrous, particulate carbonaceous material comprising carbon fibers and a ferrous group metal component, where the ferrous group metal component is dispersed throughout the carbon fibers as nodules that are initmately associated with and at least partially bonded to the carbon fibers. The ferrous carbons can be used in monocomponent developers, and also in the toner and carrier used for dual component developers.

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U.S. Ser. No. 339,778, filed 1/15/82, Brooks, "Method for Making Carbonaceous Materials".
Xerox, "Dielectric Measurement of Toner", 5/13/75.

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