Pentamethine thiopyrylium salts, process for production thereof,

Details Pentamethine thiopyrylium salts, process for production thereof, Pentamethine thiopyrylium salts, process for production thereof,

1980-08-20

1981-08-11

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 81, 430 83, 430 95, 430 37, 542400, 430 73, 430 76, 430 82, G03G 509

Patent

active

042834759

ABSTRACT:
2,6-Di-tert-butyl-4-[5-(2,6-di-tert-butyl-4H-thiopyran-4-ylidene)penta-1,3- dienyl]thiopyrylium salts, which are novel, colorless, transparent, having an adsorption in the far infrared to near infrared region and capable of imparting high sensitivity to photoconductive substance; process for producing the salts; and a photoconductive composition containing the salt.

REFERENCES:
patent: 3184516 (1965-05-01), Chechak et al.
patent: 3250615 (1966-05-01), Van Allan et al.
patent: 3617268 (1971-11-01), Murakami et al.
patent: 3896112 (1975-07-01), Kubota et al.
patent: 3938994 (1976-02-01), Reynolds et al.

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