Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Particulate form
Reexamination Certificate
2006-05-02
2006-05-02
Azpuru, Carlos A. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Particulate form
C424S470000, C514S317000
Reexamination Certificate
active
07037530
ABSTRACT:
A method for manufacturing a pharmaceutical composition having uniform drug distribution and potency is described which utilizes silicon dioxide to reduce the loss of active ingredient during the manufacturing process. The method is particularly useful for the manufacture of low dosage tablet compositions.
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Azpuru Carlos A.
Benson Gregg C.
Pfizer INC
Silverman Eric E.
Wichtowski John A.
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