C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 9/00 (2006.01) B08B 9/20 (2006.01) C22B 21/00 (2006.01)
Patent
CA 2147715
Aluminum can stock is delacquered by treatment with a composition comprising a mixture of a polyalkylene glycol polymer and an aqueous solution of a dicarboxylic acid such as oxalic acid. The cans are cleaned sufficiently for recycling and the solution can be reused to delacquer additional aluminum can stock.
Reynolds Metals Company
Ridout & Maybee Llp
LandOfFree
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