Process of cleaning unwanted films

Details Process of cleaning unwanted films Process of cleaning unwanted films

1979-08-17

1982-02-02

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

252153, 252162, 252172, 252173, 252DIG10, 252DIG14, 134 38, 134 39, 134 40, 134 26, 106 13, C23G 502, C11D 750, C09D 904

Patent

active

043138411

ABSTRACT:
A method for removing unwanted films from surfaces is described in which the unwanted film is first dissolved in a suitable composition, the properties of the composition then changes so that the dissolved, unwanted film no longer remains soluble in the composition and comes out of solution in a form that cannot redeposit on the surface, and finally, the excess composition and precipitated film components are removed from the surface.

REFERENCES:
patent: 1287589 (1918-12-01), Lewis
patent: 2292097 (1942-08-01), Vollmer
patent: 2611747 (1950-03-01), Heideman
patent: 3193507 (1968-07-01), Jacobs
patent: 3354089 (1967-11-01), York

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