Claims for Patent: 5,087,454

Summary for Patent: 5,087,454

Title:	Ibuprofen tablet
Abstract:	Ibuprofen tablets/caplets formed by wet granulation of the ibuprofen characterized by a dissolution profile maintained stable on aging by incorporating croscarmellose sodium separately into the wet granulation and the compression mix and further incorporating sodium lauryl sulfate into the compression mix.
Inventor(s):	Duerholz; Joanne R. (Medford, NJ), DiMaria; Dolores (Vineland, NJ), Blank; Robert G. (Hammonton, NJ)
Assignee:	American Home Products Corporation (New York, NY)
Application Number:	07/559,862
Patent Claims:	1. In an ibuprofen compressed tablet/caplet containing about 50% to about 70% by weight based on the weight of the tablet/caplet core of ibuprofen formed by (a) wet granulating the ibuprofen with an excipient comprising starch to provide a dry base granulation (b) formulating a compression mix containing the dry base granulation and an excipient comprising starch, and (c) tabletting the compression mix, the improvement which comprises providing a compressed tablet having an improved dissolution profile maintained stable on aging by (1) separately incorporating into each of the wet granulation and the compression mix about 1% to about 2% by weight based on the weight of the compressed tablet core of croscarmellose sodium and (2) incorporating into the compression mix about 0.05 to about 0.15% by weight of the compressed tablet core of sodium lauryl sulfate.