C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/105, 402/113
C08G 2/18 (2006.01) C08G 2/28 (2006.01) C08G 2/36 (2006.01)
Patent
CA 1226698
Abstract of the Disclosure After crude polyacetal polymers mainly com- prising bonded oxymethylene groups in the main chain thereof were once molten, they are heated at temperatures of 80°C or above in liquid mediums, in which said crude polyacetal polymers are insoluble, with keeping a heterogeneous system after they were once molten.
463165
Asano Takeshi
Nakatsuji Hiroshi
Okada Tsuneyoshi
Polyplastics Co. Ltd.
Smart & Biggar
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