Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...
Patent
1974-09-18
1979-03-13
Schilling, Richard L.
Gas separation: apparatus
Electric field separation apparatus
Electrode cleaner, apparatus part flusher, discharger, or...
250316, 526 521, 526 523, 526 524, 526 525, 526 522, 526262, G03C 554, G03C 516, C08G 6944, C08G 7376
Patent
active
041440633
ABSTRACT:
This invention relates to methods of generating colored images by treatment of maleimide copolymers with ammonia or organic amines.
REFERENCES:
patent: 2313565 (1943-03-01), McDowell et al.
patent: 2983606 (1961-05-01), Rogers
patent: 3184309 (1965-05-01), Minsk et al.
patent: 3488706 (1970-01-01), Cohen et al.
patent: 3639357 (1972-02-01), Cohen
Hopkins Esther A. H.
Polaroid Corporation
Schilling Richard L.
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