Patent US4057998A successfully refreshed from Google Patents.
US4057998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatograph, more particularly for gas phase chromatography
Assignee: INTERSMAT SA
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Filing: 1976-07-06
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Granted: 1977-11-15
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Expires: 1996-07-06
Abstract
Abstract This chromatograph comprises a modular enclosed space having compartments, with temperature controlling means arranged in said compartments, such as an electrical resistance and a blower, for providing a uniform temperature. Removable function modules are selectively insertable in said compartments. Said function modules may comprise for instance injection modules, column modules, detection modules, valve modules, and modules for physical or chemical conversion. Means are provided in said compartments for receiving and locking said function modules. A matrix which can comprise external coupling positions and interconnections between said positions is provided for interconnecting the function modules according to the analysis problem to be solved. If desired, the interconnections of the matrix may be selectively changed. Such a chromatograph is adaptable, by selecting suitable function modules and interconnections, for solving any analytical problem in gas phase chromatography.
Inventors
- 👤 Claude Moreaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:18
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/30; G01N2030/3007; G01N2030/3084; G01N30/88; G01N2030/8881; G01N30/60; G01N30/6034; G01N30/6052; G01N30/6069
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
70 words
Chromatograph, more particularly for gas phase chromatography, comprising a modular enclosed space having compartments, temperature controlling means provided in each of said compartments, removable function modules selectively insertable in said compartments for providing selected different chromatography analysis functions, means provided in said compartments for receiving and releasably locking selected ones of said function modules, and means for selectively interconnecting said function modules according to the analysis problem to be solved.
Claim 2
Dependent Claim
70 words
Chromatograph, more particularly for gas phase chromatography, comprising a modular enclosed space having compartments, temperature controlling means provided in each of said compartments, removable function modules selectively insertable in said compartments for providing selected different chromatography analysis functions, means provided in said compartments for receiving and releasably locking selected ones of said function modules, and means for selectively interconnecting said function modules according to the analysis problem to be solved.
Claim 3
Dependent Claim
26 words
Chromatograph according to claim 1, said modular enclosed space being defined by a housing forming a unitary structural assembly, said compartments being provided in said housing.
Claim 4
Dependent Claim
21 words
Chromatograph according to claim 1, comprising means for thermally insulating said compartments with respect to the surroundings and to each other.
Claim 5
Dependent Claim
12 words
Chromatograph according to claim 1, said temperature controlling means comprising heating means.
Claim 6
Dependent Claim
13 words
Chromatograph according to claim 1, said temperature controlling means comprising heating electrical resistances.
Claim 7
Dependent Claim
27 words
Chromatograph according to claim 1, said temperature controlling means comprising heating elements and a blower arranged in each compartment for providing a uniform temperature within said compartment.
Claim 8
Dependent Claim
74 words
Chromatograph according to claim 1, wherein said means for selectively interconnecting said function modules comprise an interchangeable connection matrix having external coupling positions, interconnecting means provided within said matrix for interconnecting said external coupling positions according to the analysis problem to be solved, coupling means provided on said function modules, and means for connecting said function module coupling means with said matrix external coupling positions when said function modules are arranged within said compartments.
Claim 9
Dependent Claim
30 words
Chromatograph according to claim 7, comprising means for automatically connecting said function module coupling means with said matrix external coupling positions when said function modules are arranged within said compartments.
Claim 10
Dependent Claim
79 words
Chromatograph according to claim 1, wherein said means for selectively interconnecting said function modules comprise a connection matrix having external coupling positions, movable interconnecting means provided within said matrix for interconnecting said external coupling positions, said interconnecting means being arrangeable according to the analysis problem to be solved, coupling means provided on said function modules, and means for connecting said function module coupling means with said matrix external coupling positions when said function modules are arranged within said compartments.
Claim 11
Dependent Claim
30 words
Chromatograph according to claim 9, comprising means for automatically connecting said function module coupling means with said matrix external coupling positions when said function modules are arranged within said compartments.
Claim 12
Dependent Claim
78 words
Chromatograph, more particularly for gas chromatography, comprising a modular enclosed space having compartments, temperature controlling means provided in each compartment, removable function modules selected from the group comprising injection modules, column modules, detection modules, valve modules, modules for physical conversion and modules for chemical conversion, selectively insertable in said compartments, means provided in said compartments for receiving and locking said function modules, and means for selectively interconnecting said function modules according to the analysis problem to be solved.
Claim 13
Dependent Claim
78 words
Chromatograph, more particularly for gas chromatography, comprising a modular enclosed space having compartments, temperature controlling means provided in each compartment, removable function modules selected from the group comprising injection modules, column modules, detection modules, valve modules, modules for physical conversion and modules for chemical conversion, selectively insertable in said compartments, means provided in said compartments for receiving and locking said function modules, and means for selectively interconnecting said function modules according to the analysis problem to be solved.
References Cited (Backward Citations)
US3053077A
Cited
US3686930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |