Removal of water and ammonia from benzophenone imine reactor eff

Details Removal of water and ammonia from benzophenone imine reactor eff Removal of water and ammonia from benzophenone imine reactor eff

1997-10-15

1999-05-18

Manoharan, Virginia

Distillation: processes, separatory

Distilling to separate or remove only water

95902, 203 14, 203 89, 564269, B01D3/00

Patent

active

059048140

ABSTRACT:
A process for removing water and ammonia from benzophenone imine reactor effluents resulting from the catalytic reaction of benzophenones of the formula I ##STR1## where R.sup.1 and R.sup.2, have the meaning stated in the specification and wherein ammonia is distilled off from effluents and wherein water is either distilled off from the effluents over removed non-distillatively.

REFERENCES:
patent: 4130586 (1978-12-01), Isshiki et al.
patent: 4751326 (1988-06-01), Nawata et al.
patent: 5679855 (1997-10-01), Voit et al.
Verardo et al., Synthetic Communications, vol. 18, No. 13, 1988, pp. 1501-1511.

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