Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1986-05-22
1989-07-25
Warden, Robert J.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
210490, 21050029, 21050036, 21050038, 21050042, 422 55, 422 57, 422 60, 435 29, 435 30, 435 34, 436513, 436530, 436531, 436548, G01N 3100
Patent
active
048512109
ABSTRACT:
A membrane structure is disclosed having controlled capillarity useful in detecting cells in a solution by promoting effective contacting between cells and the membrane surface bearing affinity for selected cell sites. Also disclosed is a mtehod of using such membrane structures to detect particles in solution. One embodiment of the invention is an improved blood-typing device and method. The device may be attached to a blood bag, clamp, stick or the like, to provide a permanent visual record of blood type.
REFERENCES:
patent: 4130395 (1978-12-01), Chryssanthou
patent: 4250256 (1981-02-01), Wielinger et al.
patent: 4366241 (1982-12-01), Tom et al.
patent: 4632901 (1986-12-01), Valkirs et al.
Genelabs Incorporated
Neeley Richard L.
Warden Robert J.
Wieder Stephen C.
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