Waxing sponge

Details Waxing sponge Waxing sponge

1976-11-01

1978-11-28

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

106 8, 106 10, 521116, 521130, 521159, 521905, C08G 1814, C09G 110, C08K 510, C08L 7506

Patent

active

041275152

ABSTRACT:
A hydrophilic flexible open-celled poly (urea/urethane) sponge derived from prepolymer produced by reaction of a polyoxyalkylene polyol with a stoichiometric excess of an organic polyisocyanate, said sponge containing uniformly distributed therethrough a readily releasable wax composition, and methods of making and using same for waxing surfaces.

REFERENCES:
patent: 3393078 (1968-07-01), Lockhart
patent: 3931079 (1976-01-01), Wise
Warth, The Chemistry and Technology of Waxes, Reinhold Pub. Corp., N.Y. 1956; pp. 164 and 433.

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