US3394080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for automatically measuring cyanide concentration and ph valuesand use in treating waste waters
Assignee: Siemens AG
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Filing: 1965-10-06
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Granted: 1968-07-23
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Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Robert
- 👤 Schuster Hans-Joachim
- 👤 Gruhl Winfried
- 👤 Michel Herbert
- 👤 Noske Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:32
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/18; G01N33/182; G01N27/00; G01N27/26; G01N27/416; G01N27/4166; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/903; Y10S210/904; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T436/00; Y10T436/17; Y10T436/172307
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
166 words
A METHOD FOR AUTOMATICALLY MEASURING THE CYANIDE CONCENTRATION AND THE PH VALUE OF WASTE WATER, COMPRISING THE STEPS OF SUBJECTING AN ELECTROCHEMICAL ANALYZING DEVICE WHICH IS CAPABLE OF PRODUCING A FIRST ELECTRICAL QUANTITY WHOSE VALUE IS A FUNCTION OF CYANIDE CONCENTRATION IN AND A SECOND ELECTRICAL QUANTITY WHOSE VALUE IS A FUNCTION OF THE PH VALUE OF AN AQUEOUS SOLUTION TO A SAMPLE OF SAID WASTE WATER TO PRODUCE SAID FIRST AND SECOND ELECTRICAL QUANTITIES HAVING VALUES RESPECTIVELY REPRESENTING THE CONCENTRATION OF CYANIDE IN AND THE PH VALUE OF SAID WASTE WATER, THEREAFTER FREEING SAID ANALIZING DEVICE FROM SAID SAMPLE, SUBJECTING SAID ANALYZING DEVICE TO A CALIBRATING LIQUID, WHICH IS CONSTITUTED TO RESET SAID ANALYZING DEVICE TO PRODUCE SAID DIRST AND SECOND ELECTRICAL QUANTITIES AT CHOSEN STANDARD OF COMPARISON VALUES TO CONDITION SAID ANALYZING DEVICE FOR SUBJECTION TO A SUCCEEDING SAMPLE OF SAID WASTE WATER, AND THEN FREEING SAID ANALYZING DEVICE FROM SAID LIQUID TO CONDITION IT FOR RECEIPT OF A SUCCEEDING SAMPLE OF WASTE WATER.
Claim 2
Independent Claim
166 words
A METHOD FOR AUTOMATICALLY MEASURING THE CYANIDE CONCENTRATION AND THE PH VALUE OF WASTE WATER, COMPRISING THE STEPS OF SUBJECTING AN ELECTROCHEMICAL ANALYZING DEVICE WHICH IS CAPABLE OF PRODUCING A FIRST ELECTRICAL QUANTITY WHOSE VALUE IS A FUNCTION OF CYANIDE CONCENTRATION IN AND A SECOND ELECTRICAL QUANTITY WHOSE VALUE IS A FUNCTION OF THE PH VALUE OF AN AQUEOUS SOLUTION TO A SAMPLE OF SAID WASTE WATER TO PRODUCE SAID FIRST AND SECOND ELECTRICAL QUANTITIES HAVING VALUES RESPECTIVELY REPRESENTING THE CONCENTRATION OF CYANIDE IN AND THE PH VALUE OF SAID WASTE WATER, THEREAFTER FREEING SAID ANALIZING DEVICE FROM SAID SAMPLE, SUBJECTING SAID ANALYZING DEVICE TO A CALIBRATING LIQUID, WHICH IS CONSTITUTED TO RESET SAID ANALYZING DEVICE TO PRODUCE SAID DIRST AND SECOND ELECTRICAL QUANTITIES AT CHOSEN STANDARD OF COMPARISON VALUES TO CONDITION SAID ANALYZING DEVICE FOR SUBJECTION TO A SUCCEEDING SAMPLE OF SAID WASTE WATER, AND THEN FREEING SAID ANALYZING DEVICE FROM SAID LIQUID TO CONDITION IT FOR RECEIPT OF A SUCCEEDING SAMPLE OF WASTE WATER.
Claim 3
Dependent Claim
68 words
IN A METHOD AS DEFINED IN CLAIM 1 WHEREIN SAID WASTE WATER IS ADAPTED TO HAVE ADDED THERETO DECONTAMINATING AND ALKALIZING AGENTS, AND WHEREIN SAID ELECTRICAL QUANTITIES RESULTING FROM SAID WASTE WATER SAMPLE ARE ADAPTED TO BE APPLIED TO DEVICES FOR AUTOMATICALLY CONTROLLING SAID ADDITION OF SAID DECONTAMINATING AND NEUTRALIZING AGENTS, SAID LAST MENTIONED ELECTRICAL QUANTITIES BEING UTILIZED TO RESPECTIVELY INFLUENCE THE OPERATION OF SAID ADDITION CONTROLLING DEVICES.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |