发明名称 ABSORBENT FOR PURIFYING DRY-CLEANING SOLVENTS
摘要 A solvent-permeable fibrous container containing attapulgite for use in dry-cleaning operations to remove objectionable color and odor and other materials from the cleaning solvent. A process for cleaning such solvents by the use of attapulgite. A special type of attapulgite sorptive clay is of particular value in this process.
申请公布号 US3658459(A) 申请公布日期 1972.04.25
申请号 USD3658459 申请日期 1968.03.06
申请人 PURSOL CHEMICAL CORP. 发明人 JOHN A. GARTLAN
分类号 D06F43/08;D06L1/10;(IPC1-7):D06L1/00 主分类号 D06F43/08
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