Post manufacture process for improving the properties of lactone

Details Post manufacture process for improving the properties of lactone Post manufacture process for improving the properties of lactone

1996-08-14

1998-07-07

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548555, C07D207263, C07D207267

Patent

active

057771316

ABSTRACT:
This invention relates to a method for improving the properties of lactones and substituted lactams by subjecting the post-manufactured lactones and substituted lactams to an ion exchange resin. Specifically, this invention relates to a method for reducing the cationic impurities concentrations, reducing the amine concentration, and reducing the pH of post manufactured lactams.

REFERENCES:
patent: 3969344 (1976-07-01), Ackermann et al.
patent: 4831160 (1989-05-01), Leighton

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