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for publication and is not binding precedent of the Board.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. 37
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte BEATE GUTTERER
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Appeal No. 2003-0855
Application No. 09/147,675
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HEARD: June 24, 2003
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Before WINTERS, WILLIAM F. SMITH, and SCHEINER, Administrative Patent Judges.
WINTERS, Administrative Patent Judge.
DECISION ON APPEAL
This appeal was taken from the examiner's decision rejecting claims 3 through
19, which are all of the claims remaining in the application.
The Invention
The invention relates to a process for increasing the proportion of R-epimer in an
R/S-epimer mixture of certain pregna-1,4-diene-3,20-dione 16, 17-acetal 21-esters.
Claim 17, which is illustrative of the subject matter on appeal, reads as follows:
17. A process for increasing the proportion of R-epimer in an R/S-epimer
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