Gas separation: apparatus – Magnetic separating means
Patent
1978-03-13
1979-09-11
Martin, Jr., Roland E.
Gas separation: apparatus
Magnetic separating means
96 15R, G03G 509, G03G 507
Patent
active
041674120
ABSTRACT:
Sensitizers for photoconductive compositions and elements are disclosed. The sensitizers are 2,4,6 tri substituted pyrylium dye salts wherein at least one of said substituents is a 5 or 6 membered heterocyclic ring having at least one atom selected from the group consisting of N, O and S.
REFERENCES:
patent: 3141770 (1964-07-01), Davis et al.
patent: 3250615 (1966-05-01), Van Allan et al.
patent: 3615414 (1971-10-01), Light
patent: 3679408 (1972-07-01), Kryman et al.
Regan Michael T.
Reynolds George A.
Specht Donald P.
Van Allan James A.
Eastman Kodak Company
Everett John R.
Goodrow John L.
Martin Jr. Roland E.
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