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US3786140A Expired / Lapsed US ⏱️ 0.0 years remaining

Diagnostic composition and a method of in-vivo determination of the function of the human pancreas

Assignee: Roche Diagnostics GmbH
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Filing: 1970-09-03
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Granted: 1974-01-15
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Expires: 1990-09-03
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Abstract

Abstract THERE ARE PROVIDED A DIAGNOSTIC COMPOSITION FOR THE DETERMINATION OF THE ACTIVITY OF PANCREATIC ENZYMES IN THE LIVING HUMAN BODY AND A METHOD FOR CARRYING OUT THIS EXAMINATION OF THE EXOCRINE PANCREAS FUNCTION.THE NEW DIAGNOSTIC COMPOSITION COMPRISES A MONOESTER OF FLUORESCIEN WITH A FATTY ACID HAVING 8 TO 16 CARBON ATOMS IN A PHARMACEUTICAL CARRIER. THIS NEW METHOD FOR EXAMINING THE EXOCRINE PANCREAS FUNCTION IS CARRIED OUT IN THAT A PREDETERMINED AMOUNT OF A FLUORESCEIN FATTY ACID MONOESTER IS INTRODUCED INTO AND PASSED THROUGH THE PASTROINTESTINAL TRACT, THEN THE URINE IS COLLECTED OR A PORTION OF BLOOD SERUM IS WITHDRAWN AND THE AMOUNT OF RELEASED FLUORESCEIN CONTAINED IN THE URINE OR THE BLOOD SERUM IS DETERMINED ANALYTICALLY.

Inventors

  • 👤 Bertenrath J Meyer
  • 👤 H Kaffarnik
  • 👤 E Busch
  • 👤 H Rey
  • 👤 G Michal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:04
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/44; C12Q2334/00; C12Q2334/40; G; G01; G01N; G01N2333/00; G01N2333/90; G01N2333/914; G01N2333/916; G01N2333/918

Claims Analysis

Total Claims: 0
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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) 1977-01-14 1977-07-16 1978-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-14 1981-07-16 1982-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-14 1985-07-16 1986-01-15 $7700.00 Window Closed / Lapsed

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