Chromatographic septum having polyimide coating

Details Chromatographic septum having polyimide coating Chromatographic septum having polyimide coating

1977-02-24

1978-01-03

Cannon, J.C.

Bottles and jars

Closures

Self-sealing, piercable-type closure

128DIG14, 215DIG2, 215DIG3, 215DIG4, 427407C, 428 64, 428422, 428474, B32B 302, B32B 2706, B32B 2728, B65D 5902

Patent

active

040661830

ABSTRACT:
Improved septa for chromatographic apparatus and procedures comprise disc or cylindrical bodies of silicone rubber with a coating of polyimide which may in turn be covered by a coating of Teflon.

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patent: 2947325 (1960-08-01), McFarland
patent: 3205113 (1965-09-01), McFarland
patent: 3463339 (1969-08-01), McGuckin
patent: 3484337 (1969-12-01), Starita
patent: 3551273 (1970-12-01), McKinney
patent: 3552591 (1971-01-01), Wimmer
patent: 3579370 (1971-05-01), Punderson et al.
patent: 3684646 (1972-08-01), Kruez
patent: 3760969 (1973-09-01), Shimamoto et al.
patent: 3770566 (1973-11-01), Gerow
patent: 3791909 (1974-02-01), McKee
patent: 3898363 (1975-08-01), Ward et al.

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