Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1987-01-27
1989-01-10
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
2104161, 436807, B01D 2900, B01L 1100
Patent
active
047972602
ABSTRACT:
A compound is bound to a membrane which is reactive to a component in a fluid sample which is being tested. Under the membrane a porous support is added. The fluid sample suspected of containing a specific component is drawn over the membrane and into the porous support by a piston and cylinder arrangement.
REFERENCES:
patent: 3512940 (1970-05-01), Shapiro
patent: 3628915 (1971-12-01), Robertson
patent: 4166102 (1979-08-01), Johnson
patent: 4180383 (1979-12-01), Johnson
patent: 4624929 (1986-11-01), Ullman
patent: 4632901 (1986-12-01), Valkirs et al.
McMahon Timothy M.
Richman Barry S.
V-Tech, Inc.
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