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Home › Electrophotographic element and photocopying process making use of certain 4-[bis-phenylamino]benzaldehyde azines

Electrophotographic element and photocopying process making use of certain 4-[bis-phenylamino]benzaldehyde azines

US Patent 4543310 · Granted Sep 24, 1985

Estimated economic value: $96,000 ⓘ

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