Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1992-07-31
1994-06-07
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
548146, 564430, 564431, 564434, 564440, 564461, C07C32324
Patent
active
053191439
ABSTRACT:
There are disclosed certain bis(aminoethanethiols) and the salts thereof which find utility as intermediates in the preparation of certain dye-providing compounds useful in photographic imaging systems.
REFERENCES:
patent: 3719489 (1971-06-01), Cieciuch et al.
patent: 4098783 (1978-07-01), Cieciuch et al.
patent: 5248826 (1993-09-01), Sasaki et al.
Felder et al., Chem. Abs., vol. 55, No. 4, 3423 c-h (1961).
Messersmith David
Waller David P.
Loeschorn Carol A.
Polaroid Corporation
Rand Scott C.
Raymond Richard L.
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