Gas separation: apparatus – Magnetic separating means
Patent
1973-07-26
1976-04-06
Martin, Jr., Roland E.
Gas separation: apparatus
Magnetic separating means
252501, 252518, G03G 504
Patent
active
039486583
ABSTRACT:
Bicharge photoconductive zinc oxides useful in the production of photoprint papers providing good quality photoprints in both positive charge and reversal modes are prepared by heating photoconductive zinc oxide in air to a temperature of from about 100.degree.C. to about 500.degree.C. in the presence of iodine or an inorganic or organic iodide.
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patent: 3801316 (1974-04-01), Bowman
Martin Jr. Roland E.
St. Joe Minerals Corporation
Stowell Harold L.
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