Title: Peracid treatment of dry cleaning baths

Abstract: Peracids and a water-soluble inorganic polyphosphate salt are used in the treatment of dirty dry cleaning baths to permit longer operation between distillation.

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Inventors: Castrantas, Harry Marcus (Newtown, PA, US)
Gresham, John T. (Skillman, NJ, US)

Application Number: 636076
Filing Date: 1975-11-28
Publication_date: 1977-05-31
Assignee: FMC Corporation (Philadelphia, PA)
Primary Class(es): 210/759 8/141, 8/142
Other Classes:
US Patent Ref:

1947873	Feb, 1934	Norquist et al.	210/59.
3203754	Aug, 1965	Young et al.	210/167.
3256198	Jun, 1966	Matzer	8/111.
3338839	Aug, 1967	MacKellar et al.	8/111.
3361528	Jan, 1968	Shen	210/63.
3528115	Sep, 1970	Lawes	8/111.
3677955	Jul, 1972	Castrantas et al.	8/142.

Other Refs:
Primary Examiner: Spear, Jr., Frank A.
Assistant Examiner: Hruskoci, Peter A.
Attorney: Nath; Gary M., Ianno; Frank