Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Patent
1988-04-29
1990-06-05
Schwartz, Richard A.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
424422, 424428, 424433, 424436, 424 78, A61K 4700, A61K 900, A61K 902
Patent
active
049312880
ABSTRACT:
A controlled release composition comprising a prostaglandin and a polymeric carrier therefor comprising residues having a ratio of number average molecular weight to functionality greater than 1,000 which comprise polyethylene oxide and are cross-linked through urethane groups.
REFERENCES:
patent: 3822238 (1974-07-01), Blair
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4352790 (1982-10-01), Johansson et al.
Graham et al., "Morphology of Poly(Ethylene Oxide) Based on Hydrogels in Relation to Controlled Drug Delivery", Unpublished Manuscript, 8/1987.
Encyclopedia of Polymer Science and Technology, vol. 15, John Wiley, New York, 1971, p. 289.
Embrey Mostyn
Graham Neil B.
Lloyds Bank PLC
Schwartz Richard A.
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