C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/363, 260/364
C07D 307/60 (2006.01) C07C 51/567 (2006.01)
Patent
CA 1269391
PROCESS FOR THE PREPARATION OF DIETHER DIPHTHALIC ANHYDRIDES Abstract Diether diphthalic anhydrides are prepared by reacting fluorophthalic anhydride with an aromatic dihydroxyl compound in the presence of potassium fluoride and a polar, aprotic solvent.
564849
Occidental Chemical Corporation
Schwartz Willis T. Jr.
Swabey Ogilvy Renault
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