← Back to Patent Explorer
US3828103A Expired / Lapsed US ⏱️ 0.0 years remaining

Indirect hemagglutination test with simultaneous absorption of heterologous antibodies

Assignee: Fujirebio Inc
•
Filing: 1970-11-04
•
Granted: 1974-08-06
•
Expires: 1990-11-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract AN INDIRECT HEMAGGLUTINATION TEXT IS PROVIDED HEREIN WHEREBY AN ANTIGEN IS ADSORBED ONTO ERTHROCYTES OF ANIMAL ORIGIN AND AGGLUTINATION OF THE ANTIGEN-SENSITIZED ERTHROCYTES IS INDUCED BY THE REACTION OF AN ANTIBODY SPECIFIC TO THE ADSORBED ANTIGENS, SAID METHOD CHARACTERIZED IN THAT THE HETEROLOGOUS AGGLUTININS PRESENT IN THE SERUM TO BE TESTED AND WHICH MIGHT REACT WITH THE HOMOLOGOUS RED BLOOD CELLS USED AS THE ANTIGEN CARRIER ARE REMOVED BY USE OF A SOLUTION OF DECOMPOSED RED BLOOD-CELL MEMBRANES OF THE ANIMAL RED BLOOD CELLS. THE PRESENT INVENTION ALSO PROVIDES FOR A REAGENT COMPOSED ESSENTIALLY OF THE AFOREMENTIONED SOLUTION IN CONJUNCTION WITH THE ERTHROCYTES CONTAINING THE ANTIGENS ADSORBED THEREUPON.

Inventors

  • 👤 K Fujita

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 07:17
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/543; G01N33/554; G01N33/555

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-08-05 1978-02-04 1978-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-05 1982-02-04 1982-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-05 1986-02-04 1986-08-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag