Acrylic latex wood filler composition and method of making same

Details Acrylic latex wood filler composition and method of making same Acrylic latex wood filler composition and method of making same

2005-10-18

2005-10-18

Szekely, Peter (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S013000, C524S425000

Reexamination Certificate

active

06956069

ABSTRACT:
In broadest terms, a wood filler composition of the present invention comprises: from about 11.50 to about 17.50 weight percent water; from about 14.40 to about 21.60 weight percent ceramic microspheres; from about 2.48 to about 3.72 weight percent wood flour; from about 0.32 to about 0.48 weight percent thickener; from about 0.80 to about 1.20 weight percent glass bubbles; from about 12.24 to about 18.36 weight percent acrylic latex emulsion; and from about 36.06 to about 54.10 weight percent calcium carbonate. The composition preferably has a pH in the range of from about 8.4 to about 8.8. Further the composition preferably has a viscosity of 200,000 to 300,000 cps as measured on a BROOKFIELD RV viscometer (helipath on) with a T/E spindle at 20 rpm and 25° C.

REFERENCES:
patent: 4345044 (1982-08-01), Columbus et al.

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