Slow release formulation

Details Slow release formulation Slow release formulation

1987-02-09

1989-11-14

Griffin, Ronald W.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

514965, 424468, 424469, 424472, 424473, A61K 916, A61K 926

Patent

active

048808300

ABSTRACT:
A slow release formulation to be administered to humans or animals, comprising primary granules which contain an active ingredient and are in a secondary matrix of a water soluble/dispersible slow release material, the granules themselves comprising particles containing the active ingredients and in a primary matrix of a water soluble/dispersible slow release material.
Optionally the formulation comprises a binder phase of a water insoluble slow release material having embedded therein secondary granules comprising the secondary matrix containing the primary matrix granules.
The water soluble/dispersible material may be a polysaccharide and acacia and low viscosity methylcellulose are exemplified, as well as alginate and gelatine.

REFERENCES:
patent: 2809916 (1957-10-01), Hermelin
patent: 2809917 (1957-10-01), Hermelin
patent: 3148124 (1964-09-01), Gaunt
patent: 3279998 (1966-10-01), Raff et al.
patent: 3400197 (1968-09-01), Lippmann
patent: 3402240 (1968-09-01), Cain et al.
patent: 3870790 (1975-03-01), Lowey et al.
patent: 3946110 (1976-03-01), Hill
patent: 3962414 (1976-06-01), Michaels
patent: 4369172 (1983-01-01), Schor et al.
patent: 4540566 (1985-09-01), Davis et al.
patent: 4590062 (1986-05-01), Jang
patent: 4695467 (1987-09-01), Uemura et al.
patent: 4780318 (1988-10-01), Appelgren et al.

Affiliated with

Also associated with

Rating

Slow release formulation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Slow release formulation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Slow release formulation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1853241