← Back to Patent Explorer
US3699004A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for sample analysis on a continuous flow basis

Assignee: Bayer Corp
•
Filing: 1970-08-31
•
Granted: 1972-10-17
•
Expires: 1990-08-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract NEW AND IMPROVED METHOD AND APPARATUS FOR THE FULLY AUTOMATIC, HIGHLY ACCURATE QUANTITATIVE ANALYSIS OF A SERIES OF SAMPLES WITH REGARD TO A CONSTITUENT THEREOF ON A CONTINUOUS FLOW BASIS THROUGH RATE REACTION DETERMINATION ARE PROVIDED AND ARE OPERABLE THROUGH THE CONTINUOUS MIXING OF SAID SAMPLES AND A SUITABLE REACTANT IN CONSTANT PROPORTION, AND THE FLOW OF THE RESULTANT SAMPLE-REACTANT MIXTURES BY PUMPING ON A CONTINUOUS BASIS THROUGH REACTION PROMOTING MEANS TO PROMOTE THE SAMPLE CONSTITUENT-REACTANT RATE REACTION IN SUCH MANNER THAT DIFFERENT PORTIONS OF EACH OF THE SAMPLE-REACTANT MIXTURES ARE REACTED FOR DIFFERENT TIMES TO EFFECT A DIFFERENTIAL IN A CHARACTERISTIC OF SAID MIXTURES AS DEVELOPED AS A RESULT OF SAID REACTION. FOLLOWING THIS, THE THUSLY REACTED SAMPLE-REACTANT MIXTURE PORTIONS ARE FLOWED THROUGH DETECTOR MEANS FOR DETECTION OF SAID CHARACTERISTIC DIFFERENTIAL AND RESULTANT PROVISION OF AND OUTPUT SIGNAL WHICH IS INDICATIVE OF THE SAMPLE CONSTITUENT QUANTITY OF INTEREST. SUBSTANTIALLY HYPERBOLIC VARIATION IN THE FLOW RATE OF EACH OF SAID SAMPLE-REACTANT MIXTURES THROUGH SAID REACTION PROMOTING MEANS IS UTILIZED TO PROVIDE FOR THE DIFFERENT SAMPLE-REACTANT MIXTURE PORTION REACTION TIMES. AS SPECIFICALLY DISCLOSED HEREIN, THE METHOD AND APPARATUS OF THE INVENTION ARE PARTICULARLY ADAPTABLE TO THE ANALYSIS OF A SERIES OF BLOOD SAMPLES WITH REGARD TO AN ENZYME CONSTITUENT THEREOF.

Inventors

  • 👤 Leonard T Skeggs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:57
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/08; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497; Y10T436/118339

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) 1975-10-17 1976-04-17 1976-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-17 1980-04-17 1980-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-17 1984-04-17 1984-10-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag