The opinion in support of the decision being entered today was not written for publication and
is not binding precedent of the Board.
Paper No. 22
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte THOMAS Z. LI
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Appeal No. 2002-1751
Application No. 09/098,679
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ON BRIEF
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Before WINTERS, TIMM, and GRIMES, Administrative Patent Judges.
TIMM, Administrative Patent Judge.
DECISION ON APPEAL
This appeal involves claims 1-16 which are all the claims pending in the application. We
have jurisdiction over the appeal pursuant to 35 U.S.C. § 134.
INTRODUCTION
The claims are directed to processes for improving the stability of glycerin and the
products made by those processes. According to Appellant, glycerin oxidatively degrades upon
prolonged storage or upon heating during finished good processing (specification, pp. 4-5). The
degradation results in unwanted discoloration (specification, p. 5). Appellant adjusts the pH of
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