Sustained release preparation

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

524 43, 524 44, 424418, 424419, 424422, 424461, 424462, 424468, 427 3, C08L 126, A01N 2526, A01N 2528, A61F 1300

Patent

active

047555440

ABSTRACT:
A sustained release preparation comprising:

REFERENCES:
patent: 4126672 (1978-11-01), Sheth et al.
patent: 4172055 (1979-10-01), DeMartino
patent: 4252786 (1981-02-01), Weiss et al.
patent: 4519801 (1985-05-01), Edgren
patent: 4627977 (1986-12-01), Gaffar et al.

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