US3084030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentiometric process
Assignee: Gulf Research and Development Co
•
Filing: 1959-12-30
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Granted: 1963-04-02
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Edward V Ballou
- 👤 Ralph T Barth
- 👤 Ralph O Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:11
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4166; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/115831; Y10T436/116664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS COMPRISING SUBDIVIDING AN ANHYDROUS SOLID ACIDIC MATERIAL TO A PARTICLE SIZE AT LEAST AS SMALL AS 74 MICRONS, DISPERSING SAID GRANULATED ANHYDROUS SOLID IN AN ANHYDROUS ALIPHATIC LIQUID NITRILE, SAID ACIDIC SOLID BEING SUBSTANTIALLY INCAPABLE OF INTERACTING WITH SAID ANHYDROUS ALIPHATIC LIQUID NITRILE, SAID ACIDIC SOLID BEING SUBSTANTIALLY INCAPABLE OF DISSOLVING IN SAID ANHYDROUS ALIPHATIC LIQUID NITRIL, AT LEAST 0.5 GRAM OF SAID SOLID BEING EMPLOYED FOR EVERY 150 MILLILITERS OF DISPERSION VOLUME, IMMERSING A GLASS ELECTRODE WHICH IS PERMMEABLE TO HYDROGEN IONS AND A STANDARD ELECTRODE INTO SAID DISPERSION, SAID ELECTRODES BEING IN CIRCUIT WITH A POTENTIOMETER, ALLOWING SAID DISPERSION TO STAND FOR A DURATION SUFFICIENT TO PRODUCE A CONSTANT MEASURED POTENTIAL ACROSS SAID ELECTRODES, AND MEASURING SAID POTENTIAL.
Claim 2
Dependent Claim
122 words
A PROCESS COMPRISING SUBDIVIDING AN ANHYDROUS SOLID ACIDIC MATERIAL TO A PARTICLE SIZE AT LEAST AS SMALL AS 74 MICRONS, DISPERSING SAID GRANULATED ANHYDROUS SOLID IN AN ANHYDROUS ALIPHATIC LIQUID NITRILE, SAID ACIDIC SOLID BEING SUBSTANTIALLY INCAPABLE OF INTERACTING WITH SAID ANHYDROUS ALIPHATIC LIQUID NITRILE, SAID ACIDIC SOLID BEING SUBSTANTIALLY INCAPABLE OF DISSOLVING IN SAID ANHYDROUS ALIPHATIC LIQUID NITRIL, AT LEAST 0.5 GRAM OF SAID SOLID BEING EMPLOYED FOR EVERY 150 MILLILITERS OF DISPERSION VOLUME, IMMERSING A GLASS ELECTRODE WHICH IS PERMMEABLE TO HYDROGEN IONS AND A STANDARD ELECTRODE INTO SAID DISPERSION, SAID ELECTRODES BEING IN CIRCUIT WITH A POTENTIOMETER, ALLOWING SAID DISPERSION TO STAND FOR A DURATION SUFFICIENT TO PRODUCE A CONSTANT MEASURED POTENTIAL ACROSS SAID ELECTRODES, AND MEASURING SAID POTENTIAL.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |