Controlled release formulation

Details Controlled release formulation Controlled release formulation

1989-01-27

1993-08-17

Russel, Jeffrey E.

Drug, bio-affecting and body treating compositions

Lymphokine

424 852, 424 854, 424 941, 424 9463, 424 9464, 424468, 514 2, 514 8, 514 12, 514 21, 514784, 514801, 514964, A61K 3702, A61K 3743, A61K 3748, A61K 3766

Patent

active

052367045

ABSTRACT:
A controlled release formulation which comprises a compound selected from the group consisting of organic acidic compounds and acid anhydrides or esters capable of generating one of the organic acidic compounds through hydrolysis together with an active ingredient and collagen as a carrier, said formulation being capable of exhibiting a predetermined release profile of the active ingredient. A process for producing said formulation is also provided.

REFERENCES:
patent: 4164559 (1979-08-01), Miyata et al.
patent: 4294241 (1981-10-01), Miyata
patent: 4347234 (1982-08-01), Wahlig et al.
patent: 4409332 (1983-10-01), Jefferies et al.
patent: 4711782 (1987-12-01), Okada et al.
patent: 4774091 (1988-09-01), Yamahira et al.
patent: 4816568 (1989-03-01), Hamilton, Jr. et al.
patent: 4849141 (1989-07-01), Fujioka et al.
Remington Pharmaceutical Sciences; 15th Ed. (Mack Publishing Co. Easton, Pa.), pp. 1419-1420 (1975).

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