Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1997-08-08
1999-02-23
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424465, 424474, A61K 920, A61K 928
Patent
active
058741089
ABSTRACT:
The invention provides a coated tablet, a coating composition and a method of film coating. The coating is particularly useful for pharmaceutical tablets. The coating composition is composed of an aqueous solution of film forming inorganic salts which may be used with conventional coating techniques. Such film forming salts include sodium polyphosphate and sodium sulfate. This coating may be used on uncoated tablet cores, as a final coating or used as a subcoating for other coatings, such as enteric coatings. Use of this coating composition provides savings in cost of materials and in manufacturing efficiency over previous polymeric cellulose coatings.
REFERENCES:
patent: 5641513 (1997-06-01), Lech et al.
Daher Lawrence J.
Hayward Robbie L.
Sackman Lonnie C.
Bayer Corporation
Boguslaski Mary G.
Howard Sharon
Page Thurman K.
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