Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1989-09-08
1991-08-06
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
424 78, 424 81, 424484, 424486, 435174, 435180, 4352402, 43524023, 435240241, 435240243, A61K 1300, A61K 3174, A61K 3178, C12N 1100
Patent
active
050376560
ABSTRACT:
A composite, porous membrane is formed from a porous polymer membrane having desired bulk properties on which is directly coated a cell attachment and/or growth promoting composition and a cross-linked polymer having desired surface properties. The composite membrane retains the porosity of the porous polymeric membrane. In one embodiment, when the substrate is polytetrafluoroethylene the composite is microscopically transparent.
REFERENCES:
patent: 3276448 (1966-10-01), Kronenthal
patent: 3910819 (1975-10-01), Rembaum et al.
patent: 4917793 (1990-04-01), Pitt et al.
Pitt Aldo M.
Steuck Michael J.
Cook Paul J.
Karnakis Andrew T.
Kishore G. S.
Millipore Corporation
Page Thurman K.
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