Product for use in chemical working operations

Details Product for use in chemical working operations Product for use in chemical working operations

1974-12-27

1976-12-28

Bascomb, Jr., Wilbur L.

Chemistry: physical processes

Physical processes

Crystallization

23253TP, 141 1, 141 90, 222148, 428 40, 428138, 428354, 428537, B01L 1100, G01N 3100

Patent

active

039999491

ABSTRACT:
A product employable in chemical working operations, for instance pipetting, where one or several devices are moved between, inserted into and withdrawn from a plurality of liquid containers arranged in a row, with the product preventing undesirable transfer of liquid between the containers. The product includes a layer of an absorbent material covering the openings into the liquid containers and closely engaging the devices to wipe off and clean their exteriors. The layer of absorbent material is fixed to a supporting layer provided with oval holes arranged to register with the openings into the liquid containers.

REFERENCES:
patent: 2624656 (1953-01-01), Andrews et al.
patent: 3152940 (1964-10-01), Abel et al.
patent: 3194872 (1965-07-01), Garner
patent: 3547781 (1970-12-01), Guigan et al.
patent: 3552212 (1971-01-01), Ohlin
patent: 3572998 (1971-03-01), Anthon
patent: 3753657 (1973-08-01), Downing et al.
patent: 3842680 (1974-10-01), Vollick et al.

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