Process for impregnating porous articles

Details Process for impregnating porous articles Process for impregnating porous articles

1974-05-08

1976-07-13

Lusignan, Michael R.

Coating processes

Vacuum utilized prior to or during coating

Metal base

134 38, 252 89R, 252DIG1, 252DIG8, 427340, 427350, B08B 700, C23D 1700, B05D 300

Patent

active

039695522

ABSTRACT:
Porous articles impregnated with certain anaerobic polymerizable sealants and having a coating of such sealant on their surface can have such coating removed by dissolving the sealant in an aqueous solution of a surfactant having the general formula X.sup.1 --O(C.sub.2 H.sub.4 O).sub.x X.sup.2. The removal can be done at room temperature.

REFERENCES:
patent: 1812322 (1931-06-01), Davidson
patent: 2554254 (1951-05-01), Kroft
patent: 2710843 (1955-06-01), Stebleton
patent: 2932583 (1960-04-01), Grana
patent: 2969328 (1961-01-01), Ellenson et al.
patent: 3345205 (1967-10-01), Raech
patent: 3663476 (1972-05-01), Murphy
patent: 3672942 (1972-06-01), Newmann et al.
patent: 3701676 (1972-10-01), Bader et al.

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