Method for processing lactam residues which contain boric acid

Details Method for processing lactam residues which contain boric acid Method for processing lactam residues which contain boric acid

1975-06-05

1977-06-07

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26029386, C07D20116

Patent

active

040283470

ABSTRACT:
Object of the invention is a process for the treatment of a lactam distillation residue which contains boric acid in which a polyhydric alcohol is added to the crude lactam. By these means the formation of deposits and incrustations on the heating surfaces of the distillation apparatus can be prevented.

REFERENCES:
patent: 3350393 (1967-10-01), Petri et al.
patent: 3583980 (1971-06-01), Mannsmann et al.

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