Chemistry: analytical and immunological testing – Including sample preparation – Digestion or removing interfering materials
Reexamination Certificate
2002-01-22
2010-10-05
Alexander, Lyle A (Department: 1797)
Chemistry: analytical and immunological testing
Including sample preparation
Digestion or removing interfering materials
C436S178000, C210S500290, C422S105000
Reexamination Certificate
active
07807475
ABSTRACT:
A membrane having a refined surface as well as to a process and an apparatus for producing such a membrane, and which is useful, in particular, for rapid diagnostic tests for identifying specific analytes in liquid media.
REFERENCES:
patent: 4894157 (1990-01-01), Johnson
patent: 5628960 (1997-05-01), Beer et al.
patent: 5826129 (1998-10-01), Hasebe et al.
patent: 3708946 (1988-10-01), None
patent: 4438381 (1996-05-01), None
Beer Hans
Froese Klaus
Knoechelmann Lothar
Piechocki Duane B.
Alexander Lyle A
Crowell & Moring LLP
Sartorius Stedim Biotech GmbH
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