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Method of making ibuprofen and narcotic analgesic compositions

  • US 6,599,531 B2
  • Filed: 12/21/2001
  • Issued: 07/29/2003
  • Est. Priority Date: 06/12/1996
  • Status: Expired due to Term
First Claim
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1. A pharmaceutical tablet composition comprising ibuprofen and hydrocodone bitartrate, said tablet having been prepared by a method comprising the steps of:

  • (a) granulating ibuprofen, hydrocodone bitartrate, colloidal silicon dioxide, a disintegrant, a filler, and starch to form granules, wherein said granulating step comprises a wet granulation process;

    (b) blending the granules with extra-granular material comprised of a lubricant and at least one excipient to form a blend of granules and extra granular material wherein the composition is substantially free of lactose and polyvinylpyrrolidone and wherein the blend flows well, has good compression performance, and can be compressed over a wide range of compression forces with no substantial change in the disintegration time of a tablet made from such blend; and

    (c) compressing the blend into a tablet, wherein said ibuprofen, said hydrocodone bitartrate and said lubricant are present in said tablet in a single phase.

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