Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Reexamination Certificate
2008-01-22
2008-01-22
Hartley, Michael G. (Department: 1618)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
C424S442000, C514S474000, C564S293000
Reexamination Certificate
active
07320803
ABSTRACT:
Crystalline ascorbate, in particular choline ascorbate in the form of crystals free from water of crystallization, processes for its preparation, and its used are described.
REFERENCES:
patent: 2774759 (1956-12-01), Blackett et al.
patent: 2832166 (1958-02-01), Hoffman
patent: 2870198 (1959-01-01), Klein et al.
patent: 4394377 (1983-07-01), Spires
patent: 490 322 (1970-05-01), None
patent: 812 821 (1997-12-01), None
Hasselwander Oliver
Krämer Klaus
Oftring Alfred
Sindel Ulrike
Völkel Ludwig
BASF - Aktiengesellschaft
Hartley Michael G.
Novak Druce & Quigg LLP
Young Micah-Paul
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