Combined chromatograph and mass spectrometer analyzing apparatus
First Claim
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1. APPARATUS FOR ANALYZING A MIXTURE COMPRISING:
- A GAS CHROMATOGRAPHIC SYSTEM WHEREIN A CARRIER GAS TRANSPORTS SAID MIXTURE THROUGH A CHROMATOGRAPHIC COLUMN FOR SEPARATING THE COMPONENTS OF SAID MIXTURE AND FOR DETERMINING THE QUANTITY OF EACH COMPONENT;
L A MASS SPECTROMETER RESPONSIVE TO SAID COMPONENT FOR IDENTIFYING SAID COMPONENTS;
AND CARRIER GAS BY-PASS MEANS COUPLED ACROSS SAID COLUMN FOR REDUCING THE FLOW OF SAID CARRIER GAS IN SAID COLUMN TO ISOLATE SAID CHROMATOGRAPHIC COLUMN AFTER A COMPONENT IS DETECTED BY SAID GAS CHROMATOGRAPHIC SYSTEM FOR A PERIOD OF TIME SUFFICIENT TO PERMIT SAID MASS SPECTROMETER TO SCAN SAID COMPONENT AND IDENTIFY SAID COMPONENT.
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1 Claim
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1. APPARATUS FOR ANALYZING A MIXTURE COMPRISING:
- A GAS CHROMATOGRAPHIC SYSTEM WHEREIN A CARRIER GAS TRANSPORTS SAID MIXTURE THROUGH A CHROMATOGRAPHIC COLUMN FOR SEPARATING THE COMPONENTS OF SAID MIXTURE AND FOR DETERMINING THE QUANTITY OF EACH COMPONENT;
L A MASS SPECTROMETER RESPONSIVE TO SAID COMPONENT FOR IDENTIFYING SAID COMPONENTS;
AND CARRIER GAS BY-PASS MEANS COUPLED ACROSS SAID COLUMN FOR REDUCING THE FLOW OF SAID CARRIER GAS IN SAID COLUMN TO ISOLATE SAID CHROMATOGRAPHIC COLUMN AFTER A COMPONENT IS DETECTED BY SAID GAS CHROMATOGRAPHIC SYSTEM FOR A PERIOD OF TIME SUFFICIENT TO PERMIT SAID MASS SPECTROMETER TO SCAN SAID COMPONENT AND IDENTIFY SAID COMPONENT.
- A GAS CHROMATOGRAPHIC SYSTEM WHEREIN A CARRIER GAS TRANSPORTS SAID MIXTURE THROUGH A CHROMATOGRAPHIC COLUMN FOR SEPARATING THE COMPONENTS OF SAID MIXTURE AND FOR DETERMINING THE QUANTITY OF EACH COMPONENT;
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Current AssigneeEdward B. Delaney, Vincent J. Coates
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Original AssigneeEdward B. Delaney, Vincent J. Coates
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InventorsCoates, Vincent J., Delaney, Edward B.
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Application NumberUS04/326,973Time in Patent Office1,110 DaysField of SearchUS Class Current73/23.37CPC Class CodesG01N 30/722 through a gas permeable bar...
