Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1995-01-26
1996-02-27
McGinty, Douglas J.
Compositions
Water-softening or purifying or scale-inhibiting agents
252173, 25217422, 25217423, 252DIG2, 252DIG8, 252DIG11, 252DIG14, 252DIG1, 25217424, C11D 172, C11D 1722, C11D 183, C11D 320
Patent
active
054946034
ABSTRACT:
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.
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CRC Handbook of Chemistry and Physics, 63rd ed., Weast, R. C., ed., CRC Press, Inc., 1982, C-522.
McDonald Alan T.
McGinty Douglas J.
Reynolds Metals Company
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