Gas separation: apparatus – Magnetic separating means
Patent
1977-06-23
1978-08-29
Louie, Jr., Won H.
Gas separation: apparatus
Magnetic separating means
96 88, 96 89, 96 90R, 96 48QP, 96 48R, 96 15R, 536 84, 536 99, G03C 524, G03C 100
Patent
active
041101120
ABSTRACT:
A photosensitive material is provided in which at least one surface portion of a substrate contains 2,3-di-(2,3-diiodopropoxy)-propyl cellulose uniformly distributed therethrough. A photosensitive sheet material can be formed totally of 2,3-di-(2,3-diiodopropoxy)-propyl cellulose or in part thereof, provided that the surface thereof contains 2,3-di-(2,3-diiodopropoxy)-propyl cellulose. Upon exposure to an activating electromagnetic radiation in which the intensity is modulated according to the configuration of an image, a visible image is formed on the surface of the material. Provision is further made for bringing the surface of the material into contact with the substance which forms a colored compound upon reaction with iodine liberated upon subjecting the surface to activating electromagnetic radiation.
REFERENCES:
patent: 3042518 (1962-07-01), Wainer
patent: 3565628 (1971-02-01), Garland et al.
Chem. Abs., vol. 70, 1969, 48771z.
Cuccolo Sergio
Roman Alain
Sachetto Jean-Pierre
Wust Manfred
Louie, Jr. Won H.
Neste Oy
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