Appeal No. 1998-1674 Page 2
Application No. 08/437,712
BACKGROUND
The invention is directed to a synthetic detergent base material and synthetic detergent bars
produced using the synthetic base material (Specification, page 1; Brief, page 2). Claim 13 represents
the broadest expression of the invention. According to claim 13, the synthetic detergent base material
consists essentially of:
(a) from 45 to 70 weight percent of mild synthetic surfactant other than (c);
(b) from 20 to 30 weight percent of C -C fatty acid;
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(c) from 1.5 to 10 weight percent of C -C n-acyl sarcosine, salts(s) thereof or a mixture of
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said sarcosine and said salts(s);
(d) from 0.5 to 5 weight percent of C -C alkyl aryl sulfonic acid, salts(s) thereof or a mixture
1 22
of said sulfonic acid and said salt(s);
(e) from 1 to 5 weight percent salts(s) of C -C fatty acid; and
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(f) less than 2 weight percent water; said synthetic detergent base material having a pH from 5
to 8.
Claims 2-6 and 10-22 stand rejected under 35 U.S.C. § 103 as being unpatentable over
Kacher, U.S. Patent 5,225,097, issued July 6, 1993. We will not sustain the rejection for the following
reasons.
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