Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution...
Reexamination Certificate
2008-06-13
2010-11-02
Tate, Christopher R. (Department: 1655)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
Reexamination Certificate
active
07824714
ABSTRACT:
The present invention relates to aPolygonum multiflorumextract and the preparation process thereof. ThePolygonum multiflorumextract of the present invention mainly comprises 2,3,5,4′-tetrahydroxystilbene-2-O-β-D-glucoside and catechin. The present invention also relates to the use of thePolygonum multiflorumextract of the present invention for the treatment or prevention of dementia.
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Chyan Yau-Jan
Lai Tzung-Hsien
Wu Rey-Yuh
Yen Chia-Yu
Development Center for Biotechnology
Haldiman Robert C.
Husch & Blackwell LLP
Tate Christopher R.
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