Claims
- 1. A dosage form for administering a drug to a patient, wherein the dosage form comprises:
- (1) a wall comprising a semipermeable composition, which wall defines a compartment;
- (2) 10 ng to 1200 mg of drug in the compartment;
- (3) a push composition in the compartment for pushing the drug from the dosage form;
- (4) at least one exit port in the dosage form for delivering the drug from the dosage form; and wherein the dosage form is characterized by the compartment comprising:
- (5) 15 wt % to 60 wt % of a hydrophilic polymer that precipitates in situ in the presence of fluid that enters the compartment and means for causing the hydrophilic polymer to precipitate comprising the drug whereby the dosage form, administers the drug to the patient.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a division of Ser. No. 07/804,137 filed Dec. 6, 1991, now U.S. Pat. No. 5,200,195 issued Apr. 6, 1993, which application is incorporated herein by reference and benefit is claimed of its filing date. This application is copending with applicants' U.S. applications, identified by attorney's docket numbers ARC 1955 Div. 1, ARC 1955 Div. 2, ARC 1955 Div. 3, ARC 1955 Div. 4 and ARC 1955 Div. 6 now U.S. Ser. No. 07/963,962; now U.S. Pat. No. 5,254,349; U.S. Ser. No. 07/964,538; now U.S. Pat. No. 5,348,746 U.S. Ser. No. 07/963,967 pending; U.S. Ser. No. 07/964,162 now U.S. Pat. No. 5,266,332; and U.S. Ser. No. 07/964,603 pending all filed Oct. 21, 1992 respectively. These applications are assigned to the ALZA Corporation of Palo Alto, Calif.
US Referenced Citations (20)
Related Publications (5)
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Number |
Date |
Country |
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963962 |
Oct 1992 |
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964538 |
Oct 1992 |
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963967 |
Oct 1992 |
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964162 |
Oct 1992 |
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964603 |
Oct 1992 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
804137 |
Dec 1991 |
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