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US3565987A Expired / Lapsed US ⏱️ 0.0 years remaining

Immunochemical determinations of antigens and antibodies

Assignee: Organon NV
•
Filing: 1967-10-20
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Granted: 1971-02-23
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Expires: 1987-10-20
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Abstract

Abstract A NOVEL METHOD FOR THE IMMUNOCHEMICAL DETERMINATION OF ANTIGENS OR ANTIBODIES IN A LIQUID SAMPLE IN WHICH THEY ARE PRESENT IN LOW CONCENTRATION OR ARE ATTENDED WITH DISTURBING FACTORS, COMPRISING THE STEPS OF ADSORBING ONE OF THE IMMUNOCHEMICAL REACTION COMPONENTS ON A CARRIER, REACTING SAID COMPONENT WITH THE LIQUID TO BE TESTED, CONTAINING THE OTHER REACTION COMPONENT TO BE DETERMINED OR, IN CASE OF AN AGGLUTINATION IN HIBITION REACTION, REACTING SAID COMPONENT WITH A SOLUTION OF THE OTHER COMPONENT AND THE TEST LIQUID, SEPARATING THE CARRIER FROM THE REACTION MIXTURE, SUSPENDING THE CARRIER IN A SUITABLE LIQUID MEDIUM, AND READING THE SEDIMENT ATION PATTERN OF THE CARRIER.

Inventors

  • 👤 Antonius Hermanus Wilh Schuurs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:36
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/74; G01N33/53; G01N33/543; G01N33/554; G01N33/555; Y; Y10; Y10S; Y10S436/00; Y10S436/815; Y10S436/817; Y10S436/818

Claims Analysis

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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) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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