Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Reexamination Certificate
2011-07-26
2011-07-26
Hartley, Michael G (Department: 1618)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
C424S078080
Reexamination Certificate
active
07985418
ABSTRACT:
The tablets, compositions and methods of the present invention, comprising a carbonate salt of an aliphatic amine polymer and s monovalent anion can prevent or ameliorate acidosis, in particular acidosis in patients with renal disease. The tablets and compositions of the present invention maintain a disintegration time of no greater than 30 minutes at 37° C. and at pH of at least 1 for a period of at least ten weeks at 60° C. Furthermore, the tablets are stable for extended periods of time without the need for specialized storage conditions.
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Bhagat Hitesh R.
Brenner Louis
Goldberg Jeffrey M.
Harianawala Abizer I.
Dickinson Paul
Genzyme Corporation
Hartley Michael G
Jones Day
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