PURIFICATION OF ALKYL METHACRYLATES
1,235,208. Purification of alkyl methacrylates. EASTMAN KODAK CO. 20 Dec., 1968 [26 Dec., 1967], No. 60666/68. Heading C2C. Alkyl methacrylates which are contaminated with impurities having melting points below - 50‹ C. are purified by cooling a liquid mixture of said methacrylate and impurities so...
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