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US2787597A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for determining sugar content in blood

Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1957-04-02
•
Expires: 1973-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 Shinohara Kamenosuke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:08
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/66; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333; Y10T436/144444

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 129 words
A PROCESS FOR DETERMINING SUGAR CONTENT IN BLOOD WHICH COMPRISES FIRST PRECIPIPTATING PROTEIN IN THE BLOOD AT A PH BELOW 3 BY TREATING THE BLOOD WITH A PROTEIN PRECIPITATION REAGENT CONSISTING ESSENTIALLY OF A SODIUM ARY SULFONATE, ALKALI METAL BISULFATE, AN INDICATOR AND WATER, AND ADDING TO THE PROTEIN-FREE BLOOD, A DRY REAGENT CONSISTING ESSENTIALLY OF A DRY INTIMATE MIXTURE OF FROM 6 TO 7% OF A REDUCABLE BISMUTH SALT, FROM 48 TO 41% OF A NON-HYGROSCOPIC, NON-REDUCING SOLID ACID AND FROM 40 TO 52% OF AN ALKALI HYDROXIDE, SAID SOLID ACID AND ALKALI HYDROXIDE BEING PRESENT IN AMOUNTS SUFFICIENT TO GENERATE ENOUGH HEAT, WHEN SAID REAGENT IS MIOSTENED WITH SAID BLOOD, TO REDUCE SAID BISMUTH SALT, AND PROVIDE A QUANTITATIVE INDICATION OF THE SUGAR CONTENT IN SAID BLOOD.
Claim 2
Dependent Claim 129 words
A PROCESS FOR DETERMINING SUGAR CONTENT IN BLOOD WHICH COMPRISES FIRST PRECIPIPTATING PROTEIN IN THE BLOOD AT A PH BELOW 3 BY TREATING THE BLOOD WITH A PROTEIN PRECIPITATION REAGENT CONSISTING ESSENTIALLY OF A SODIUM ARY SULFONATE, ALKALI METAL BISULFATE, AN INDICATOR AND WATER, AND ADDING TO THE PROTEIN-FREE BLOOD, A DRY REAGENT CONSISTING ESSENTIALLY OF A DRY INTIMATE MIXTURE OF FROM 6 TO 7% OF A REDUCABLE BISMUTH SALT, FROM 48 TO 41% OF A NON-HYGROSCOPIC, NON-REDUCING SOLID ACID AND FROM 40 TO 52% OF AN ALKALI HYDROXIDE, SAID SOLID ACID AND ALKALI HYDROXIDE BEING PRESENT IN AMOUNTS SUFFICIENT TO GENERATE ENOUGH HEAT, WHEN SAID REAGENT IS MIOSTENED WITH SAID BLOOD, TO REDUCE SAID BISMUTH SALT, AND PROVIDE A QUANTITATIVE INDICATION OF THE SUGAR CONTENT IN SAID BLOOD.

References Cited (Backward Citations)

USRE23705E Cited
US2210579A Cited
US2171961A Cited
US2281758A Cited
GB554844A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-01 1960-10-01 1961-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-01 1964-10-01 1965-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-01 1968-10-01 1969-04-02 $7700.00 Window Closed / Lapsed

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