Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1996-11-27
1999-04-20
Weisberger, Richard
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
4284111, 4284881, 428204, 428192, 422 56, 422 57, 422 58, 435 4, G01N 2100
Patent
active
058957049
ABSTRACT:
The subject of the invention is an article for collecting and transporting a sample to be analyzed; containing an absorbent matrix to absorb a liquid sample, characterized in that the absorbent matrix represents the sample collecting area of a sample collecting element, which is an integral part of an envelope. In addition, the subject of the invention is a process for determining an analyte, in which liquid sample material is placed on an absorbent matrix, dried, sent to a laboratory and tested there, characterized in that the liquid sample material is placed on an absorbent matrix that represents the sample collecting area of a sample collecting element, which is an integral part of an envelope.
REFERENCES:
patent: 4273741 (1981-06-01), Levine
patent: 4789629 (1988-12-01), Baker et al.
patent: 5118609 (1992-06-01), Baier et al.
Bainczyk Gregor
Bush Jack
Lerch Rolf
Wielinger Hans
Boeringer Mannheim GmbH
Weisberger Richard
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