Chemistry: molecular biology and microbiology – Apparatus
Patent
1998-01-15
1999-02-23
Beisner, William H.
Chemistry: molecular biology and microbiology
Apparatus
4353091, 422100, 141 65, 604902, 7386412, 7386415, C12M 126
Patent
active
058742964
ABSTRACT:
The purpose of this invention is to provide a novel apparatus capable of suctioning a liquid from a container by using a vacuum. Simultaneously, the vacuum draws a second liquid from a separate source to fill a reservoir which forms part of the apparatus. Once the first liquid is drawn and the reservoir is filled with the second liquid, vacuum is disengaged by releasing a normally open vacuum control. Further disengaging of a normally closed reservoir control allows the second liquid to drain from the reservoir into the now empty container which formerly contained the first liquid. Use of this apparatus significantly eases the task of changing liquid culture mediums since the operator can now accomplish the task in essentially one step thereby minimizing potential contamination to the second liquid, the culture, and the environment.
REFERENCES:
patent: 2732985 (1956-01-01), Howard
patent: 4015942 (1977-04-01), Coupe
patent: 4198482 (1980-04-01), Homer
patent: 4635665 (1987-01-01), Namba et al.
patent: 4685480 (1987-08-01), Eck
patent: 4754771 (1988-07-01), Tangherlini et al.
patent: 5120305 (1992-06-01), Boehringer et al.
patent: 5542918 (1996-08-01), Atkinson
Beisner William H.
Garrison Scott B.
LandOfFree
Method and apparatus for liquid medium exchange does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for liquid medium exchange, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for liquid medium exchange will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-306113