Controlled-release composition and the preparation thereof

Details Controlled-release composition and the preparation thereof Controlled-release composition and the preparation thereof

1989-12-12

1992-09-29

Schenkman, Leonard

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514929, 514964, A61K 3144

Patent

active

051514346

ABSTRACT:
A controlled-release pharmaceutical preparation of 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. The controlled-release preparation is in the form of powder or granule containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine, coated with medically non-active substance or in the form of rectal suppository containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. Further the controlled-release is prepared by implanting 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine in fatty materials, or granulating it and coating the resultant particles with medically non-active substance.

REFERENCES:
patent: 4540566 (1985-09-01), Davis et al.
patent: 4548490 (1985-10-01), Mueller et al.
Chemical Abstracts 93:155800e (1980).

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