Controlled release compositions including polyethylene oxide wit

Details Controlled release compositions including polyethylene oxide wit Controlled release compositions including polyethylene oxide wit

1990-01-02

1992-01-07

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424427, 424433, 424436, 424409, 424445, 424408, 424449, 424464, 424 7838, 523122, A61K 4734, A61K 970, A61L 1560, A01N 2534

Patent

active

050790099

ABSTRACT:
A controlled release composition comprising an active substance other than a prostaglandin and a polymeric carrier therefor comprising residues having a ratio of number average molecular weight to functionality greater than 1000 which comprises polyethylene oxide and are cross-linked through urethane groups.

REFERENCES:
patent: 3822238 (1974-07-01), Blair et al.
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4352790 (1982-10-01), Johansson et al.
patent: 4894238 (1990-01-01), Embry et al.
patent: 4931288 (1990-06-01), Embrey et al.

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