Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1982-11-23
1984-07-17
McCamish, Marion
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428422, 428903, 128156, 604367, 604372, B32B 516, A61F 1318, A47C 2106
Patent
active
044606427
ABSTRACT:
A composite sheet material is highly absorbent toward aqueous fluids including blood and exudate and comprises a polytetrafluoroethylene fibril matrix and hydrophilic absorptive particles enmeshed in the matrix. The composite sheet material is useful as a wound dressing, as a drying material for non-aqueous solvents, and as a chromatographic material.
REFERENCES:
patent: 3105491 (1963-10-01), Harwood
patent: 3416993 (1968-12-01), Heusser et al.
patent: 3669103 (1972-06-01), Harper et al.
patent: 3888257 (1975-06-01), Cook et al.
patent: 3901236 (1975-08-01), Assarsson et al.
patent: 4025679 (1977-05-01), Denny
patent: 4153661 (1979-05-01), Ree et al.
patent: 4187342 (1980-02-01), Holst et al.
patent: 4203435 (1980-05-01), Krull et al.
patent: 4235237 (1980-11-01), Musek et al.
patent: 4385093 (1983-05-01), Hubis
Errede Louis A.
Stoesz James D.
Upton Jenny
McCamish Marion
Minnesota Mining and Manufacturing Company
Sell Donald M.
Sherman Lorraine R.
Smith James A.
LandOfFree
Water-swellable composite sheet of microfibers of PTFE and hydro does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Water-swellable composite sheet of microfibers of PTFE and hydro, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-swellable composite sheet of microfibers of PTFE and hydro will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1491077