Method for producing substantially pure vitamin powders

Details Method for producing substantially pure vitamin powders Method for producing substantially pure vitamin powders

1992-01-21

1993-02-09

Waddell, Frederick E.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514276, 514345, 514474, 514951, A61K 31525, A61K 3151, A61K 3144, A61K 3134

Patent

active

051853361

ABSTRACT:
A process for the production of free-flowing, directly compressible, at least 99.5% by weight pure vitamin B.sub.1, vitamin B.sub.2, vitamin B.sub.6, vitamin C, sodium ascorbate or calcium ascorbate comprises spray drying a 5 to 25% aqueous solution or suspension of the corresponding vitamin or sodium or calcium ascorbate. The products of this process as well as tablets and other solid dosage forms, which can be formed from these products, are also described.

REFERENCES:
patent: 3293132 (1966-12-01), Stoyle et al.
patent: 3396226 (1968-08-01), Cavalli et al.
patent: 4454125 (1984-06-01), Demopoulos
patent: 4486435 (1984-12-01), Schmidt et al.
patent: 4533674 (1985-08-01), Schmidt et al.
patent: 4605666 (1986-08-01), Schmidt et al.
patent: 4977190 (1990-12-01), Meyer et al.
patent: 5000888 (1991-03-01), Kilbride et al.
patent: 5064829 (1991-11-01), Izuhara et al.
patent: 5120762 (1992-06-01), Hanaoka et al.
Derwent Abstract of 85/01877 World No. 85-122406/20.

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