Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1989-10-31
1990-06-05
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564264, C07C13104
Patent
active
049315927
ABSTRACT:
The storability of molten cyclohexanone oxime containing 0.5-15% by weight of cyclohexanone and 1-8% by weight of aqueous ammonium bisulfate solution is improved by washing the molten cyclohexanone oxime with a 10-42% strength by weight aqueous ammonium sulfate solution and maintaining a pH of 4.5-5.8.
REFERENCES:
patent: 3941838 (1976-03-01), Fuchs et al.
patent: 4031139 (1977-06-01), Rapp et al.
patent: 4256668 (1981-03-01), Mathew et al.
patent: 4281194 (1981-07-01), Armor et al.
Agab David
Fuchs Hugo
Neubauer Gerald
Ritz Josef
BASF - Aktiengesellschaft
Reamer James H.
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