Appeal No. 1997-1748 Page 2
Application No. 08/394,935
BACKGROUND
At the outset, we note that Patent and Trademark Office
(PTO) records indicate that the present application was filed
as a continuation of U.S. Application No. 08/167,385, which
parent application was filed on December 15, 1993. Also,
copending and related application No. 08/395,248 was filed on
February 27, 1995, as a divisional of the above-noted parent
application. The above-noted related and copending
Application No. 08/395,248 is also before us on appeal (Appeal
No. 1997-1807).
Appellant's invention relates to a blended polymeric
composition comprising a macromolecular aqueous dispersion, an
acid-functional alkali soluble resin and an aminosilane
compound. According to appellant (specification, page 4), the
composition is useful as a coating for chalky substrates. An
understanding of the invention can be derived from a reading
of exemplary
claim 1, which is reproduced below.
A blend composition for improving the adhesion of a
coating to chalky substrates comprising a macromolecular
aqueous dispersion having a particle size in the range of 0.05
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