US4248829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated analytical material suitable for simultaneously performing a plurality of analyses
Assignee: Fujifilm Holdings Corp
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Filing: 1979-12-07
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Granted: 1981-02-03
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Expires: 1999-12-07
Abstract
Abstract An integrated material for chemically analyzing a liquid sample comprising a supporting plate having provided thereon two or more different analytical units each comprising a reagent layer and a porous spreading layer or a portion of a common porous spreading layer, the units being disposed such that at least a portion of the reagent layers are in contact with or in close proximity to one another with the porous spreading layer(s) of the units being commonly covered with a liquid sample delivering patch.
Inventors
- 👤 Masao Kitajima
- 👤 Asaji Kondo
- 👤 Fuminori Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:32
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; G01N33/525; G01N31/00; G01N31/22; Y; Y10; Y10S; Y10S435/00; Y10S435/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
An integrated material for chemically analyzing a liquid sample comprising a supporting plate having provided thereon two or more different analytical units each comprising a reagent layer and a porous spreading layer or a portion of a common porous spreading layer, said units being disposed such that at least a portion of the reagent layers are in contact with or in close proximity to one another with said porous spreading layer(s) of said units being commonly covered with a liquid sample delivering patch.
Claim 2
Dependent Claim
83 words
An integrated material for chemically analyzing a liquid sample comprising a supporting plate having provided thereon two or more different analytical units each comprising a reagent layer and a porous spreading layer or a portion of a common porous spreading layer, said units being disposed such that at least a portion of the reagent layers are in contact with or in close proximity to one another with said porous spreading layer(s) of said units being commonly covered with a liquid sample delivering patch.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |