Patent US4444596A successfully refreshed from Google Patents.
EP0371503A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Device for assay of liquid sample
Assignee: Arkray Inc
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Filing: 1989-11-30
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Granted: —
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Expires: 2009-11-30
Abstract
Abstract A device for colorimetric assay of at least one component in a liquid sample, which device comprises a support, a reagent layer formed on a part of one surface of the support and a sample-receiving layer which covers at least a part of the reagent layer and at least a part of the support surface, with which the timing of application of a sample on the device is automatically detected with accuracy.
Inventors
- 👤 Hisashi Sakamoto
- 👤 Shigeki Yamada
- 👤 Hiroshi Taniguchi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; G01N33/525
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
55 words
A device for colorimetric assay of at least one component in a liquid sample, which device comprises a support, a reagent layer formed on a part of one surface of the support and a sample-receiving layer which covers at least a part of the reagent layer and at least a part of the support surface.
Claim 2
Independent Claim
55 words
A device for colorimetric assay of at least one component in a liquid sample, which device comprises a support, a reagent layer formed on a part of one surface of the support and a sample-receiving layer which covers at least a part of the reagent layer and at least a part of the support surface.
Claim 3
Dependent Claim
18 words
The device according to claim 1, wherein the sample-receiving layer covers the whole area of the reagent layer.
Claim 4
Dependent Claim
20 words
The device according to claim 1, which further comprises a covering which covers the reagent layer and the sample-receiving layer.
Claim 5
Dependent Claim
16 words
The device according to claim 2, which further comprises a covering which covers the sample-receiving layer.
Claim 6
Dependent Claim
15 words
The device according to claim 1, wherein the reagent layer contains a light reflecting agent.
References Cited (Backward Citations)
No citation records indexed.
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