Process for making isophorone with improved color and color stab

Details Process for making isophorone with improved color and color stab Process for making isophorone with improved color and color stab

1997-12-03

1999-03-02

Reamer, James H.

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

Organic compounds

Oxygen containing

568350, 568377, C07C 4578

Patent

active

058773541

ABSTRACT:
The present invention is a process for the production of isophorone having improved color and color stability. Crude isophorone is selectively hydrogenated to remove color forming impurities. The product isophorone will have an APHA color of about 10 or less.

REFERENCES:
patent: 4248673 (1981-02-01), Cheminal et al.
patent: 4434301 (1984-02-01), Papa
patent: 5276197 (1994-01-01), Nosberger et al.
patent: 5352839 (1994-10-01), Grebinoski et al.
patent: 5627303 (1997-05-01), Braithwaite et al.
patent: 5728891 (1998-03-01), Bueschken et al.

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