US3779814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric devices utilizing electrically conducting organic salts
Assignee: Monsanto Co
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Filing: 1972-12-26
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Granted: 1973-12-18
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Expires: 1992-12-26
Abstract
Abstract Thermoelectric devices such as generators and refrigerators are disclosed having as the N-type semiconductor material compounds or compositions having a cation which is tetrathiafulvalene or 2,5-cyclohexadiene-1,4-diylidene-bis-1,3-thiole or both, and an anion which is 7,7,8,8-tetracyano-p-quinodimethane or 11,11,12,12-tetracyano-2,6-naphthaquinodimethane or both.
Inventors
- 👤 M Miles
- 👤 J Wilson
- 👤 M Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:25
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
24 words
A thermoelectric device according to claim 1 wherein said compound or composition is a composition containing one or more compounds according to claim 1.
Claim 2
Dependent Claim
21 words
A thermoelectric device according to claim 2 wherein one of said compounds comprises at least 80 mole percent of said composition.
Claim 3
Dependent Claim
16 words
A thermoelectric device according to claim 2 wherein the compounds are present in about equimolar amounts.
Claim 4
Dependent Claim
14 words
A thermoelectric device according to claim 1 wherein said compound is (tetrathiafulvalene) (7,7,8,8-tetracyano-p-quinodimethane) .
Claim 5
Dependent Claim
15 words
A thermoelectric device according to claim 1 wherein the compound is (tetrathiafulvalene) (11,11,12,12-tetracyano-2, 6-naphthaquinodimethane) .
Claim 6
Dependent Claim
14 words
A thermoelectric device according to claim 1 wherein the compound is (2,5-cyclohexadiene-1,4-diylidene-bis-1,3-dithiole) (7,7,8,8-tetracyano-p-quinodimethane) .
Claim 7
Dependent Claim
14 words
A thermoelectric device according to claim 1 wherein the compound is (2,5-cyclohexadiene-1,4-diylidene-bis-1,3-dithiole) (11,11,12,12-tetracyano-2,6-naphthaquinodimethane) .
Claim 8
Dependent Claim
14 words
A thermoelectric device according to claim 1 wherein said device is a cooling device.
Claim 9
Dependent Claim
14 words
A thermoelectric device according to claim 1 wherein said device is an electrical generator.
References Cited (Backward Citations)
US3252061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |