Micro-filter

Details Micro-filter Micro-filter

1974-12-26

1977-03-29

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23292, 128 2F, 210455, 210482, G01F 1512

Patent

active

040146537

ABSTRACT:
Microliter sized samples of filtered urine or the like are obtained by taking up a few drops of urine into a bulb-type micro-syringe inserting the nozzle thereof tightly into the inlet passageway of a micro-filter having a disc of filter paper as the filtering medium held firmly between the inlet passageway and an outlet passageway and squeezing the bulb of the micro-syringe to force the urine through the filter paper. The outlet passageway is constricted in size and shape to discharge the filtered urine in drops. The filtered urine then comes through in uniform drops of predetermined size which are utilized in a testing procedure, for example, in a direct agglutination test for pregnancy.

REFERENCES:
patent: 865691 (1907-09-01), Fox
patent: 938279 (1909-10-01), Schultze
patent: 2341414 (1944-02-01), Polivka
patent: 3215500 (1965-11-01), Bittner
patent: 3322114 (1967-05-01), Portnoy et al.
patent: 3682315 (1972-08-01), Haller
patent: 3805998 (1974-04-01), Croslin
patent: 3874851 (1975-04-01), Wilkins et al.

Affiliated with

Also associated with

Rating

Micro-filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Micro-filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Micro-filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-546686