Main > ORGANIC CHEMICALS > Aromatics > Acids > Keto

Product Purification. USA. C.

CORP. SALE Benzene-1-COOH-2-[CO-C6H3(OH)(NH2)]
PATENT ASSIGNEE'S COUNTRY USA
UPDATE 06.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS - Slurrying ketoacid with alc. solvent (0.1 - 5 parts)
- Maintaining slurry at elev. T in sealed vessel until Rhoda
mine impurity has dissolved
- Cooling &
- Isolating ketoacid by filtration
PATENT PHOTOCOPY Available on request

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