Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Post imaging treatment with particles
Patent
1980-11-07
1982-05-18
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Post imaging treatment with particles
430331, 430965, G03C 504
Patent
active
043306136
ABSTRACT:
Dry nonelectroscopic toners comprising pigmented organic resin particles having a size distribution of 0.2 to 30 micrometers, not more than 50 percent of the particles being less than 1 micrometer surface treated with a combination of at least 1% by weight of an antistatic agent and at least 0.5% of a slip agent as described. The preparation of the toners is described. The toners are useful in color developing positive and negative-working photosensitive elements particularly in an automatic toning machine. Improved clean-up and low stain propensity are achieved.
REFERENCES:
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patent: 3620726 (1971-11-01), Chu et al.
patent: 3677759 (1972-07-01), Jones et al.
patent: 3909282 (1975-09-01), Gray
patent: 4069791 (1978-01-01), Tobias
patent: 4215193 (1980-07-01), Manger et al.
Brammer Jack P.
E. I. Du Pont de Nemours and Company
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