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US3843323A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for sample evaluation

Assignee: Individual
•
Filing: 1972-10-04
•
Granted: 1974-10-22
•
Expires: 1992-10-04
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Abstract

Abstract 1. IN A METHOD FOR TESTING A PLURALITY OF URINE SAMPLES TO DETERMINE THE PRESENCE OF A DRUG AS NARCOTIC ANALGESICS, AMPHETAMINES, AND ADDICTIVE SEDATIVES, TH STEPS OF FIRST POURING A PLURALITY OF URINE SAMPLES RESPECTIVELY INTO A SERIES OF FIRST CONTAINER FOR PROVIDING IN SAID FIRST CONTAINERS A SERIES OF MEDIUMS, RESPECTIVELY, WHICH ARE ADAPTED TO RECEIVE AN ELUENT, ARRANGING SAID FIRST CONTAINERS RESPECTIVELY AT LOCATIONS WHERE THEY ARE ADAPTED TO RECEIVE ELUENT SIMULTANEOUSLY POURING A GIVEN AMOUNT OF AN ELUENT WHICH WILL ELUTE AT LEAST SAID DRUG RESPECTIVELY INTO THE SERIES OF FIRST CONTAINERS SIMULTANEOUSLY FOR EXTRACTING SAID DRUG, IF ANY, FROM THE MEDIUMS RESPECTIVELY LOCATED IN SAID SERIES OF FIRST CONTAINERS, SIMULTANEOUSLY TRANSFERRING THE ELUATE FROM SAID SERIES OF FIRST CONTAINERS RESPECTIVELY INTO A SERIES OF SECOND CONTAINERS, SIMULTANEOUSLY EVAPORATING THE SOLVENT FROM SAID SECOND CONTAINERS TO LEAVE RESIDUES IN THE LATTER, SIMULTANEOUSLY ADDING ADDITION SOLVENT TO AID RESIDUES IN SAID SECOND CONTAINERS, SIMULTANEOUSLY REMOVING FROM SAID SECOND CONTAINERS A SMALL PORTION OF THE SOLVENTS AND RESIDUES DISSOLVED THEREIN, THEN SIMULTANOUESLY SPOTTING A CHROMATOGRAPHIC PLATE WITH SAID REMOVED SOLVENTS AND THE RESIDUES DISSSOLVED THEREIN AND REPEATING THE ABOVE STEPS TO OBTAIN A PLURALITY OF CHROMATOGRAPHIC PLATES EACH WITH A SERIES OF SPOTS THEREON, AND REPEATING THE ABOVE STEPS IN A SEQUENCE ACCORDING TO WHICH ELUENT IS ADDED TO SUCCES SIVE SERIES OF SAID FIRST CONTAINERS WHILE EVAPORATION OF ELUATE IN SUCCESSIVE SERIES OF SAID SECOND CONTAINERS IS CARRIED OUT AND WHILE SPOTTING OF SUCCESSIVE CHROMATOGRAPHIC PLATES IS GOING FORWARD.

Inventors

  • 👤 B Quame

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:56
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; G; G01; G01N; G01N35/00; G01N35/02; G01N35/021; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/113332; Y10T436/114165; Y10T436/17; Y10T436/173845

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 251 words
IN A METHOD FOR TESTING A PLURALITY OF URINE SAMPLES TO DETERMINE THE PRESENCE OF A DRUG AS NARCOTIC ANALGESICS, AMPHETAMINES, AND ADDICTIVE SEDATIVES, TH STEPS OF FIRST POURING A PLURALITY OF URINE SAMPLES RESPECTIVELY INTO A SERIES OF FIRST CONTAINER FOR PROVIDING IN SAID FIRST CONTAINERS A SERIES OF MEDIUMS, RESPECTIVELY, WHICH ARE ADAPTED TO RECEIVE AN ELUENT, ARRANGING SAID FIRST CONTAINERS RESPECTIVELY AT LOCATIONS WHERE THEY ARE ADAPTED TO RECEIVE ELUENT SIMULTANEOUSLY POURING A GIVEN AMOUNT OF AN ELUENT WHICH WILL ELUTE AT LEAST SAID DRUG RESPECTIVELY INTO THE SERIES OF FIRST CONTAINERS SIMULTANEOUSLY FOR EXTRACTING SAID DRUG, IF ANY, FROM THE MEDIUMS RESPECTIVELY LOCATED IN SAID SERIES OF FIRST CONTAINERS, SIMULTANEOUSLY TRANSFERRING THE ELUATE FROM SAID SERIES OF FIRST CONTAINERS RESPECTIVELY INTO A SERIES OF SECOND CONTAINERS, SIMULTANEOUSLY EVAPORATING THE SOLVENT FROM SAID SECOND CONTAINERS TO LEAVE RESIDUES IN THE LATTER, SIMULTANEOUSLY ADDING ADDITION SOLVENT TO AID RESIDUES IN SAID SECOND CONTAINERS, SIMULTANEOUSLY REMOVING FROM SAID SECOND CONTAINERS A SMALL PORTION OF THE SOLVENTS AND RESIDUES DISSOLVED THEREIN, THEN SIMULTANOUESLY SPOTTING A CHROMATOGRAPHIC PLATE WITH SAID REMOVED SOLVENTS AND THE RESIDUES DISSSOLVED THEREIN AND REPEATING THE ABOVE STEPS TO OBTAIN A PLURALITY OF CHROMATOGRAPHIC PLATES EACH WITH A SERIES OF SPOTS THEREON, AND REPEATING THE ABOVE STEPS IN A SEQUENCE ACCORDING TO WHICH ELUENT IS ADDED TO SUCCES SIVE SERIES OF SAID FIRST CONTAINERS WHILE EVAPORATION OF ELUATE IN SUCCESSIVE SERIES OF SAID SECOND CONTAINERS IS CARRIED OUT AND WHILE SPOTTING OF SUCCESSIVE CHROMATOGRAPHIC PLATES IS GOING FORWARD.
Claim 2
Dependent Claim 251 words
IN A METHOD FOR TESTING A PLURALITY OF URINE SAMPLES TO DETERMINE THE PRESENCE OF A DRUG AS NARCOTIC ANALGESICS, AMPHETAMINES, AND ADDICTIVE SEDATIVES, TH STEPS OF FIRST POURING A PLURALITY OF URINE SAMPLES RESPECTIVELY INTO A SERIES OF FIRST CONTAINER FOR PROVIDING IN SAID FIRST CONTAINERS A SERIES OF MEDIUMS, RESPECTIVELY, WHICH ARE ADAPTED TO RECEIVE AN ELUENT, ARRANGING SAID FIRST CONTAINERS RESPECTIVELY AT LOCATIONS WHERE THEY ARE ADAPTED TO RECEIVE ELUENT SIMULTANEOUSLY POURING A GIVEN AMOUNT OF AN ELUENT WHICH WILL ELUTE AT LEAST SAID DRUG RESPECTIVELY INTO THE SERIES OF FIRST CONTAINERS SIMULTANEOUSLY FOR EXTRACTING SAID DRUG, IF ANY, FROM THE MEDIUMS RESPECTIVELY LOCATED IN SAID SERIES OF FIRST CONTAINERS, SIMULTANEOUSLY TRANSFERRING THE ELUATE FROM SAID SERIES OF FIRST CONTAINERS RESPECTIVELY INTO A SERIES OF SECOND CONTAINERS, SIMULTANEOUSLY EVAPORATING THE SOLVENT FROM SAID SECOND CONTAINERS TO LEAVE RESIDUES IN THE LATTER, SIMULTANEOUSLY ADDING ADDITION SOLVENT TO AID RESIDUES IN SAID SECOND CONTAINERS, SIMULTANEOUSLY REMOVING FROM SAID SECOND CONTAINERS A SMALL PORTION OF THE SOLVENTS AND RESIDUES DISSOLVED THEREIN, THEN SIMULTANOUESLY SPOTTING A CHROMATOGRAPHIC PLATE WITH SAID REMOVED SOLVENTS AND THE RESIDUES DISSSOLVED THEREIN AND REPEATING THE ABOVE STEPS TO OBTAIN A PLURALITY OF CHROMATOGRAPHIC PLATES EACH WITH A SERIES OF SPOTS THEREON, AND REPEATING THE ABOVE STEPS IN A SEQUENCE ACCORDING TO WHICH ELUENT IS ADDED TO SUCCES SIVE SERIES OF SAID FIRST CONTAINERS WHILE EVAPORATION OF ELUATE IN SUCCESSIVE SERIES OF SAID SECOND CONTAINERS IS CARRIED OUT AND WHILE SPOTTING OF SUCCESSIVE CHROMATOGRAPHIC PLATES IS GOING FORWARD.

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) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

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