Appeal No. 95-4089
Application 08/090,073
containing at least maleic acid and a nonionic surfactant made
by ethoxylating an undefined C -C alcohol performs better on
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a soap scum covered marble block (0.86 grams of marble block
dissolved) than (2) a cleaning composition containing at least
maleic acid and an anionic surfactant identified as coconut
alkyl sulfate (only 0.60 grams of marble block dissolved)
(specification, page 6, LSR/soap scum covered marble column
for Compositions B and C).
The claims
6. Claim 1 is the broadest claim on appeal and
reads (indentation and paragraph numbering added):
An aqueous cleaning composition for hard surfaces
comprising
[1] from 1% to 15% by weight of the total
composition of a nonionic surfactant or
mixtures thereof,
[2] from 4% to 25% by weight of the total
composition of maleic acid,
[3] said composition having a pH of from 1.0 to
4.0.
7. Claim 6 reads as follows:
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Last modified: November 3, 2007