Slow-release preparation of diltiazem, and a medicine provided thereby
The slow release preparation obtained by the method of the invention reduces the number of times the medicine needs to be taken per day, and also provides lower peaks of concentration in the blood after the medicine has been taken while simultaneously ensuring that the lowest concentration in the blood remains higher over a period of time.
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Claims
Referenced Cited
U.S. Patent Documents
Other references
| 4721619 | January 26, 1988 | Panoz et al. |
- MPEP, Fifth Ed., Aug. 1983, pp. 1400-1405.
Patent History
Patent number: RE35903
Type: Grant
Filed: Jun 23, 1992
Date of Patent: Sep 22, 1998
Assignee: Ethypharm (Houdan)
Inventors: Patrice Debregeas (Versailles), Gerard Leduc (Malesherbes), Jean-Francois Boyer (Houdan)
Primary Examiner: Thurman K. Page
Assistant Examiner: James M. Spear
Law Firm: Iandiorio & Teska
Application Number: 7/903,247
Type: Grant
Filed: Jun 23, 1992
Date of Patent: Sep 22, 1998
Assignee: Ethypharm (Houdan)
Inventors: Patrice Debregeas (Versailles), Gerard Leduc (Malesherbes), Jean-Francois Boyer (Houdan)
Primary Examiner: Thurman K. Page
Assistant Examiner: James M. Spear
Law Firm: Iandiorio & Teska
Application Number: 7/903,247
Classifications
Current U.S. Class:
Containing Discrete Coated Particles Pellets, Granules, Or Beads (424/458);
Organic Coatings (424/459)
International Classification: A61K 956;
International Classification: A61K 956;
