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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
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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 22:26
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)

US4320087A Cited
US4299795A Cited
US4325910A Cited
US4332906A Cited
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

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