CRYSTALLIZATION PROCESSES FOR PRODUCING BISPHENOLS

• Main Authors: PREIN MICHAEL, TYTGAT GERT, MUNNICH CHRISTIAN, BLASCHKE ULRICH, EEK ROB, AUDENAERT RAYMOND
• Format: Patent
• Language: English
• Published: 21.08.2008
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

Processes for producing bisphenols (e.g., bisphenol A (BPA)) having a purity greater than 99.7% are described, such processes including reacting a phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising a bisphenol; removing at least a portion of the bisphenol f...