US5082632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction vessel
Assignee: Hoechst AG
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Filing: 1987-11-30
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Granted: 1992-01-21
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Expires: 2007-11-30
Abstract
Abstract In the reaction vessel in the form of a cell for optical investigations of small quantities of liquid, the floor (4) of the reaction vessel exhibits a circular depression (6), in which a cylindrical body (9) is disposed so as to be moveable. The depression (6) exhibits arcuately extending channels (7), which extend from the depression (6) towards the walls (3) and/or the corners (8) of the reaction vessel.
Inventors
- 👤 Jurgen Gross
- 👤 Hugo Wilmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:32
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; B; B01; B01L; B01L3/00; B01L3/50; B01L2300/00; B01L2300/08; B01L2300/0848; B01L2300/0851; G01N2021/0325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A reaction vessel for optical investigations, comprising: a floor; sidewalls extending upwardly from said floor to define a cell; a circular depression formed in said floor; a cylindrical body rotatably mounted in said circular depression for mixing reactants disposed in the vessel; a plurality of arcuate channels formed in said floor and extending from the periphery of said circular depression toward said sidewalls.
Claim 2
Dependent Claim
63 words
A reaction vessel for optical investigations, comprising: a floor; sidewalls extending upwardly from said floor to define a cell; a circular depression formed in said floor; a cylindrical body rotatably mounted in said circular depression for mixing reactants disposed in the vessel; a plurality of arcuate channels formed in said floor and extending from the periphery of said circular depression toward said sidewalls.
References Cited (Backward Citations)
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Cited
US4299795A
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US4325910A
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US4332906A
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US4681742A
Cited
US4720374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-20 | 1995-07-22 | 1996-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-20 | 1999-07-22 | 2000-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-20 | 2003-07-22 | 2004-01-21 | $7700.00 | Window Closed / Lapsed |