Appeal No. 1999-2808
Application 08/772,351
THE REJECTION
Claims 2-22, 25-28 and 30-33 stand rejected under 35
U.S.C. § 103 as being unpatentable over Penneck taken with
Ackerman, Rhodes, Wypych, Minagawa and Vijlbrief.1
OPINION
We reverse the aforementioned rejection.
Penneck discloses polyvinyl chloride stabilized with a
mixture of an organometallic compound, a sulfur-containing
organic or organometallic compound, and an organic antioxidant
(page 1, lines 43-79; page 2, lines 12-13 and 34-35). In an
example (12), a mixture of zinc stearate and calcium stearate
is used as the organometallic component. The disclosed
sulfur-containing organic compounds include dilauryl
$$’thiodipropionate (page 3, line 39), and the disclosed
1 The examiner’s reliance upon an article to Stapfer et
al. is withdrawn in the examiner’s answer (page 4).
3
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