Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Reexamination Certificate
2001-02-07
2004-02-17
Page, Thurman K. (Department: 1616)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
CD24S103000
Reexamination Certificate
active
06692765
ABSTRACT:
The present invention relates to a tablet which can be divided exactly.
Virtually all tablets which contain pharmaceutically active compounds can be made manually divisible by appropriately selecting the size and shape and by forming one or more scores. However, tablets which are currently known either can only be divided in one direction, which often causes problems for older patients, or cannot be divided into tablet halves which contain the same amount of active compound. According to a proposal made by the European Pharmacopoeia Commission (Report 96th Meeting), the weight contents of the active compounds in the tablet halves should differ by no more than 10% by mass when the complete tablet contains more than 250 mg of active compound and by no more than 15% by mass when the complete tablet contains less than 250 mg of active compound. Since, according to the German Pharmacopoeia (10th Edition), the active compound content alone in the individual tablets may, depending on the amount of active compound desired and on the tablet size, differ by 5 to 10% from the desired value, the administration of divided tablets may result in problems caused by fluctuations in the amount of active compound administered.
REFERENCES:
patent: D201497 (1965-06-01), Ninger
patent: 3336200 (1967-08-01), Krause
patent: 4258027 (1981-03-01), Ullman et al.
patent: D383535 (1997-09-01), Bryan, Jr. et al.
patent: 1 200 790 (1965-09-01), None
patent: 1 492 237 (1969-09-01), None
patent: 0207 888 (1986-05-01), None
patent: 207 888 (1987-01-01), None
patent: 7-179333 (1995-07-01), None
Abbott & GmbH & Co. KG
Choi Frank
Page Thurman K.
Wood Phillips Katz Clark & Mortimer
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