US3046322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric device
Assignee: Monsanto Chemicals Ltd
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Filing: 1960-03-07
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Granted: 1962-07-24
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Wildi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:34
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/856; H10K; H10K99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A THERMOELECTRIC DEVICE COMPRISING AN N-TYPE THERMOELECTRIC ELEMENT AND A P-TYPE THERMOELECTRIC ELEMENT WITH ELECTRICAL CONNECTIONS TO SAID ELEMENTS, PROAND OTHER ELECTRICAL CONNECTIONS TO SAID ELEMENTS, PROVIDED AT LEAST ONE OF SAID ELEMENTS IS MADE BY THE PROCESS COMPRISING: (1) MIXING PYROMELLITONITRILE AND HYDROGEN SULFIDE TO FORM A REACTION PRODUCT HAVING SUBSTANTIALLY 2 MOLES OF HYDROGEN SULFIDE PER MOLE OF PYROMELLITONITRILE, (2) SEPARATING SAID REACTION PRODUCT FROM THE REACTION MIXTURE, (3) FORMING AN ELEMENT UNDEER PRESSURE FROM SAID SEPARATED REACTION PRODUCT, AND (4) HEATING SAID FORMED ELEMENT AT A TEMPERATURE IN THE RANGE OF ABOUT 180*-700*C. FOR A TIME SUFFICIENT TO PRODUCE THE DESIRED THERMOELECTRIC ELEMENT.
Claim 2
Dependent Claim
106 words
A THERMOELECTRIC DEVICE COMPRISING AN N-TYPE THERMOELECTRIC ELEMENT AND A P-TYPE THERMOELECTRIC ELEMENT WITH ELECTRICAL CONNECTIONS TO SAID ELEMENTS, PROAND OTHER ELECTRICAL CONNECTIONS TO SAID ELEMENTS, PROVIDED AT LEAST ONE OF SAID ELEMENTS IS MADE BY THE PROCESS COMPRISING: (1) MIXING PYROMELLITONITRILE AND HYDROGEN SULFIDE TO FORM A REACTION PRODUCT HAVING SUBSTANTIALLY 2 MOLES OF HYDROGEN SULFIDE PER MOLE OF PYROMELLITONITRILE, (2) SEPARATING SAID REACTION PRODUCT FROM THE REACTION MIXTURE, (3) FORMING AN ELEMENT UNDEER PRESSURE FROM SAID SEPARATED REACTION PRODUCT, AND (4) HEATING SAID FORMED ELEMENT AT A TEMPERATURE IN THE RANGE OF ABOUT 180*-700*C. FOR A TIME SUFFICIENT TO PRODUCE THE DESIRED THERMOELECTRIC ELEMENT.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |