Electrophotographic member having improved sensitizer and proces

Details Electrophotographic member having improved sensitizer and proces Electrophotographic member having improved sensitizer and proces

1974-01-25

1976-12-28

Bower, Jr., Charles L.

Gas separation: apparatus

Magnetic separating means

96 90PC, 26032611S, G03G 506, G03G 1322

Patent

active

039999890

ABSTRACT:
A photosensitizer for electrophotographic photosensitive materials comprising inorganic or organic acid salts of indoline spirobenzopyranes of the formula ##STR1## R.sub.1, R hd 2, R.sub.3, X and Y are defined in the specification.

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Arnold et al., Chem. Abs. vol. 67: 65385g 1967, abs. of Tetrahedron Letters 1967, 2105-2107.
Nakayama et al., Chem. Abs. vol. 73, 92628u 1970, Abs. of Bull. Chem. Soc. Jap. 1970, 2248.

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