Process for storing information and a material having informatio

Details Process for storing information and a material having informatio Process for storing information and a material having informatio

1994-01-25

1995-12-05

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430 14, 430 21, 430269, 430945, G11B 700

Patent

active

054728150

ABSTRACT:
A coated material comprising a substrate which is coated with a layer of a pyrrolopyrrole of formula I ##STR1## wherein R.sub.1 and R.sub.2 may be 4-pyridyl and X.sub.1 and X.sub.2 are O, said compound of formula I being at least partially in the form of a salt of a strong acid, is suitable for use as an optical recording material and, owing to its electrical conductivity and photoconductivity, as antistatically treated material, as sensor, photoreceptor and solar battery.

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