Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution...
Reexamination Certificate
2009-01-23
2010-11-23
Hoffman, Susan C (Department: 1655)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
Reexamination Certificate
active
07838049
ABSTRACT:
The invention provides aPyracantha koidzumiiextract and new compounds isolated from the extract and their derivatives. This extract and these compounds have activity in inhibiting tyrosinase.
REFERENCES:
B. J. Abbott et al.: Screening Data From the Cancer Chemotherapy National Service Center Screening Laboratories, XXXVII. Plant Extracts; Cancer Research, 1966, vol. 26, 1302-1453.
Yi Dai et al.: “Biphenyl Glycosides from the Fruit of Pyracantha fortuneana,” J. Nat. Prod. 2006, 69, 1022-1024.
Hsu Feng-Lin
Lee Mei-Hsien
Liu Yan-Ling
Hoffman Susan C
McDonnell Boehnen & Hulbert & Berghoff LLP
Taipei Medical University
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