US3406102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion-sensitive electrode with organometallic liquid ion-exchanger
Assignee: Corning Glass Works
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Filing: 1965-04-07
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Granted: 1968-10-15
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Martin S Frant
- 👤 Jr James W Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:45
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/333; G01N27/3335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
METHOD OF DETERMINING THE ACTIVITY OF A SPECIFIC IONIC SPECIES IN AQUEOUS SOLUTION AND COMPRISING THE STEPS OF: CONTACTING SAID SOLUTION WITH A BODY OF ION-EXCHANGER LIQUID SUBSTANTIALLY INSOLUBLE IN SAID SOLUTION, SAID LIQUID INCLUDING AN ORGANO-METALLIC COMPOUND HAVING AN ION EXCHANGABLE WITH SAID SPECIES, THE CARBON-TO-METAL BONDING OF SAID COMPOUND BEING SUBSTANTIALLY STABLE; ELECTRICALLY CONTACTING SAID ION-EXCHANGER LIQUID WITH A REFERENCE ELECTRODE EXHIBITING A SUBSTANTIALY FIXED CONTACT POTENTIAL WITH RESPECT TO SAID LIQUID; ELECTRICALLY CONTACTING SAID SOLUTION WITH ANOTHER REFERENCE ELECTRODE EXHIBITING A SUBSTANTIALLY FIXED CONTACT POTENTIAL WITH RESPECT TO SAID SOLUTION; ELECTRICALLY CONNECTING SAID REFERENCE ELECTRODES TO A POTENTIOMETRIC DEVICE; MEASURING THE POTENTIAL DEVELOPED ACROSS THE INTERFACE BETWEEN SAID SOLUTION AND SAID LIQUID.
Claim 2
Dependent Claim
115 words
METHOD OF DETERMINING THE ACTIVITY OF A SPECIFIC IONIC SPECIES IN AQUEOUS SOLUTION AND COMPRISING THE STEPS OF: CONTACTING SAID SOLUTION WITH A BODY OF ION-EXCHANGER LIQUID SUBSTANTIALLY INSOLUBLE IN SAID SOLUTION, SAID LIQUID INCLUDING AN ORGANO-METALLIC COMPOUND HAVING AN ION EXCHANGABLE WITH SAID SPECIES, THE CARBON-TO-METAL BONDING OF SAID COMPOUND BEING SUBSTANTIALLY STABLE; ELECTRICALLY CONTACTING SAID ION-EXCHANGER LIQUID WITH A REFERENCE ELECTRODE EXHIBITING A SUBSTANTIALY FIXED CONTACT POTENTIAL WITH RESPECT TO SAID LIQUID; ELECTRICALLY CONTACTING SAID SOLUTION WITH ANOTHER REFERENCE ELECTRODE EXHIBITING A SUBSTANTIALLY FIXED CONTACT POTENTIAL WITH RESPECT TO SAID SOLUTION; ELECTRICALLY CONNECTING SAID REFERENCE ELECTRODES TO A POTENTIOMETRIC DEVICE; MEASURING THE POTENTIAL DEVELOPED ACROSS THE INTERFACE BETWEEN SAID SOLUTION AND SAID LIQUID.
References Cited (Backward Citations)
US2913386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |