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Home › Separation of 3,3'4,4'- and 2,3,3',4'-tetramethyldiphenyl ether

Separation of 3,3'4,4'- and 2,3,3',4'-tetramethyldiphenyl ether

US Patent 4937389 · Granted Jun 26, 1990

Estimated economic value: $14,443,000 ⓘ

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