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EP0113700A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Element for electrophoresis

Assignee: Director Of Finance Division Minister's Secret
•
Filing: 1984-01-09
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Granted: —
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Expires: 2004-01-09
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Abstract

Abstract An element for electrophoresis comprising a membrane medium for electrophoresis between a cover sheet having a thickness of not more than 50 µm and a support.

Inventors

  • 👤 Masashi Ogawa
  • 👤 Hisashi Shiraishi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 03:03
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44747

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 34 words
In an element for electrophoresis comprising a membrane medium for electrophoresis between a cover sheet and a support, the improvement in which the cover sheet has a thickness of not more than 50 µm.
Claim 2
Dependent Claim 34 words
In an element for electrophoresis comprising a membrane medium for electrophoresis between a cover sheet and a support, the improvement in which the cover sheet has a thickness of not more than 50 µm.
Claim 3
Dependent Claim 23 words
The element for electrophoresis as claimed in claim 1, in which the thickness of said cover sheet ranges from 3 to 50 µm.
Claim 4
Dependent Claim 23 words
The element for electrophoresis as claimed in claim 1, in which the thickness of said cover sheet ranges from 5 to 40 µm.
Claim 5
Dependent Claim 18 words
The element for electrophoresis as claimed in claim 1, in which said medium is a gel membrane medium.
Claim 6
Dependent Claim 23 words
The element for electrophoresis as claimed in claim 1, in which said support and cover sheet are both made of non-electroconductive, water-impermeable material.
Claim 7
Dependent Claim 33 words
The element for electrophoresis as claimed in claim 5, in which either of said support and cover sheet has a hydrophilic surface on at least a side in contact with the membrane medium.
Claim 8
Dependent Claim 29 words
The element for electrophoresis as claimed in claim 1, in which said support and cover sheet are sealed each other under adhesion at least at two corresponding side ends.
Claim 9
Dependent Claim 32 words
The element for electrophoresis as claimed in claim 7, in which a spacer having a thickness of not exceeding the thickness of the membrane medium is provided inside of the sealed end.
Claim 10
Dependent Claim 22 words
The element for electrophoresis as claimed in claim 8, in which said spacer is attached under adhesion to at least said support.
Claim 11
Dependent Claim 20 words
The element for electrophoresis as claimed in claim 8, in which said spacer and suppurt are molded into one piece.
Claim 12
Dependent Claim 28 words
The element for electrophoresis as claimed in claim 1, in which said membrane medium has at least one slot for introduction of a sample at one end thereof.
Claim 13
Dependent Claim 19 words
The element for electrophoresis as claimed in claim 11, in which said slot is covered with the cover sheet.
Claim 14
Dependent Claim 41 words
The element for electrophoresis as claimed in claim 11, in which said slot is covered with the cover sheet at a portion nearer to the electrophoretic separation area and other portion thereof is exposed with no covering of the cover sheet.
Claim 15
Dependent Claim 30 words
The element for electrophoresis as claimed in claim 1, in which a groove for a sample is provided on the membrane medium at a position near to one end thereof.
Claim 16
Dependent Claim 22 words
The element for electrophoresis as claimed in claim 14, in which said groove is exposed with no covering of the cover sheet.
Claim 17
Dependent Claim 33 words
The element for electrophoresis as claimed in claim 14, in which said groove is so covered with a portion of the cover sheet that said portion can be removed to expose the groove.
Claim 18
Dependent Claim 28 words
The element for electrophoresis as claimed in claim 4, in which said gel membrane medium is produced by gelation of a gel forming solution directly on said support.

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