Patent EP0408940A1 successfully refreshed from Google Patents.
EP0408940A1
Expired / Lapsed
EP
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Multi-well filtration apparatus
Assignee: EMD Millipore Corp
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Filing: 1990-06-27
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Granted: —
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Expires: 2010-06-27
Abstract
Abstract A filtration apparatus is provided comprising a multiwell plate wherein each of the wells in the plate has a filter membrane bonded to the entire peripheral surface of an opening of the well (11). The filter membrane (15) has a tab (17) which permits removing the filter membranes from the wells without rupturing the membrane.
Inventors
- 👤 Michael J. Sarrasin
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 14:27
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5025; B01L3/50255; B01D; B01D61/00; B01D61/14; B01D61/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
69 words
A filtration apparatus comprising: a plate having at least one well, having a first open end for introducing liquid into said well, a second end and an outside peripheral surface about said second end, a filter membrane bonded to said peripheral surface, said filter membrane having a tab section of a size and shape which permits removing said membrane from said peripheral surface while avoiding rupture of said membrane.
Claim 2
Dependent Claim
69 words
A filtration apparatus comprising: a plate having at least one well, having a first open end for introducing liquid into said well, a second end and an outside peripheral surface about said second end, a filter membrane bonded to said peripheral surface, said filter membrane having a tab section of a size and shape which permits removing said membrane from said peripheral surface while avoiding rupture of said membrane.
Claim 3
Dependent Claim
13 words
The apparatus of claim 1 wherein said filter membrane is a microporous membrane.
Claim 4
Dependent Claim
13 words
The apparatus of claim 1 wherein said filter membrane is an ultrafiltration membrane.
Claim 5
Dependent Claim
13 words
The apparatus of claim 1 wherein said filter membrane is a depth filter.
Claim 6
Dependent Claim
12 words
The apparatus of claim 1 wherein said filter membrane is a laminate.
References Cited (Backward Citations)
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