Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-08-28
2007-08-28
Oh, Taylor Victor (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C560S012000, C560S013000, C514S540000, C514S562000, C562S430000
Reexamination Certificate
active
10333354
ABSTRACT:
A method for the preparation of a freeze-dried product of N-[o-(p-pivaloyloxybenzenesulfonylamino)benzoyl]glycine monosodium salt tetra-hydrate dissolved in a mixed solvent of water and ethanol, and the freeze-dried product obtained by the method.According to the present invention, N-[o-(p-pivaloyloxybenzenesulfonylamino)benzoyl]glycine monosodium salt tetra-hydrate is dissolved in a small amount of a mixed solvent of water and ethanol, and therefore it is possible to manufacture high-dosage product by freeze-drying.
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Patent Abstracts of Japan, Feb. 10, 1997, JP 040692 A (Ono Pharmaceutical Co., Ltd.)
Sudo Masao
Takada Akira
Oh Taylor Victor
Ono Pharmaceuticals Co. Ltd.
Sughrue & Mion, PLLC
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