Imaging compositions

Details Imaging compositions Imaging compositions

1979-05-23

1982-06-08

Hess, Bruce H.

Chemistry: molecular biology and microbiology

Differentiated tissue or organ other than blood, per se, or...

Including perfusion; composition therefor

106 21, 106 32, 252316, 427150, 428307, 428537, 282 275, 400204, 428914, 4283206, 401 52, 118264, 162140, 162162, 564149, 564150, B01J 1302, B41M 516, B41M 522, C09D 1100, C09B 2602

Patent

active

043340156

ABSTRACT:
A composition capable of forming colored complexes with transition metal salts is provided which comprises an aromatic substituted hydrazone carried in an organic cosolvent vehicle. When employed in the art of carbonless paper the aromatic substituted hydrazone and the transition metal salt complex to form yellow colored images. The invention provides means for producing dark, black, neutral images by the reaction of the aromatic substituted hydrazones and conventional dithiooxamide complexing compounds, both carried in an organic cosolvent vehicle, with transition metal salts.

REFERENCES:
patent: 3287154 (1966-11-01), Haas
patent: 3481759 (1969-12-01), Ostlie
patent: 3547646 (1970-12-01), Hori et al.
patent: 3809668 (1974-05-01), Yarian
patent: 3852094 (1974-12-01), Yaian
patent: 4111462 (1978-09-01), Lange et al.
Sacconi, "Acylhydrazones of O-Oxy- and O-Aminoaldehydes and Ketones as Tridentate Complexing Agents", J.A.C.S, 75, 5435 (11-5-53).
Sacconi, "Chemical Reactions of Complexes, I. Action of Hydrozides on Nickel Disalicylaldehyde", J.A.C.S, 74, 4503 (9-20-52).

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