US2950178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for automatic titration
Assignee: Novartis AG
•
Filing: 1958-10-06
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Granted: 1960-08-23
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Halfter Georg
- 👤 Koehler Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CONTROL SYSTEM FOR AUTOMATIC CONTROL OF CHEMICAL REACTIONS UTILIZING THE CHANGE OF POTENTIAL ACROSS ELECTRODES DISPOSED WITHIN THE REACTION SYSTEM INDEPENDENTLY OF THE ABSOLUTE POTENTIAL EXISTING ACROSS SAID ELECTRODES, COMPRISING DOSING MEANS FOR DELIVERING A PREDETERMINED QUANTITY OF REACTANT TO THE REACTION SYSTEM, COMPENSATING MEANS FOR BALANCING THE POTENTIAL CHANGE WHICH OCCURS AT THE ELECTRODES AFTER DELIVERY OF EACH QUANTITY OF REACTANT TO THE REACTION SYSTEM, CONTROL MEANS RESPONSIVE TO THE CHANGE IN POTENTIAL AT THE ELECTRODES FOR OPERATING SAID COMPENSATING MEANS, CONTROL MEANS RESPONSIVE TO THE CHANGE IN POTENTIAL AT THE ELECTRODES FOR OPERATING SAID DOSING MEANS AFTER THE OPERATING OF SAID COMPENSATING MEANS, AND ENDPOINT INDICATING MEANS RESPONSIVE TO THE DIFFERENTIAL COEFFICIENT OF THE POTENTIAL ACROSS THE ELECTRODES FOR STOPPING FURTHER OPERATION OF THE APPARATUS WHEN THE REACTION HAS BEEN COMPLETED.
Claim 2
Dependent Claim
134 words
A CONTROL SYSTEM FOR AUTOMATIC CONTROL OF CHEMICAL REACTIONS UTILIZING THE CHANGE OF POTENTIAL ACROSS ELECTRODES DISPOSED WITHIN THE REACTION SYSTEM INDEPENDENTLY OF THE ABSOLUTE POTENTIAL EXISTING ACROSS SAID ELECTRODES, COMPRISING DOSING MEANS FOR DELIVERING A PREDETERMINED QUANTITY OF REACTANT TO THE REACTION SYSTEM, COMPENSATING MEANS FOR BALANCING THE POTENTIAL CHANGE WHICH OCCURS AT THE ELECTRODES AFTER DELIVERY OF EACH QUANTITY OF REACTANT TO THE REACTION SYSTEM, CONTROL MEANS RESPONSIVE TO THE CHANGE IN POTENTIAL AT THE ELECTRODES FOR OPERATING SAID COMPENSATING MEANS, CONTROL MEANS RESPONSIVE TO THE CHANGE IN POTENTIAL AT THE ELECTRODES FOR OPERATING SAID DOSING MEANS AFTER THE OPERATING OF SAID COMPENSATING MEANS, AND ENDPOINT INDICATING MEANS RESPONSIVE TO THE DIFFERENTIAL COEFFICIENT OF THE POTENTIAL ACROSS THE ELECTRODES FOR STOPPING FURTHER OPERATION OF THE APPARATUS WHEN THE REACTION HAS BEEN COMPLETED.
References Cited (Backward Citations)
US2770531A
Cited
US2831942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |