Global Patent Index - EP 0558474 A4

EP 0558474 A4 19930929 - PROCESS FOR THE PREPARATION OF PHENYL CARBONATES

Title (en)

PROCESS FOR THE PREPARATION OF PHENYL CARBONATES

Publication

EP 0558474 A4 19930929 (EN)

Application

EP 91900661 A 19901121

Priority

US 9006860 W 19901121

Abstract (en)

[origin: WO9209555A1] A process for the preparation of an aromatic carbonate from a phenol, acetic anhydride, carbon monoxide and oxygen comprising the steps of A) reacting acetic anhydride with phenol to form phenyl acetate; B) reacting the phenyl acetate with dimethyl carbonate to produce a phenyl carbonate and methyl acetate; and C) reacting the methyl acetate with carbone monoxide to produce acetic anhydride for use in step A.

IPC 1-7

C07C 68/06; C07C 69/96

IPC 8 full level

B01J 27/122 (2006.01); C07B 61/00 (2006.01); C07C 51/56 (2006.01); C07C 68/06 (2006.01); C07C 69/96 (2006.01)

CPC (source: EP)

C07C 68/06 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

WO 9209555 A1 19920611; EP 0558474 A1 19930908; EP 0558474 A4 19930929; JP H05507060 A 19931014

DOCDB simple family (application)

US 9006860 W 19901121; EP 91900661 A 19901121; JP 50088191 A 19901121