US3267115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic semiconductors
Assignee: Monsanto Co
•
Filing: 1960-06-13
•
Granted: 1966-08-16
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 John E Katon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:41
CPC Classifications
C; C08; C08G; C08G79/00; H; H10; H10K; H10K85/00; H10K85/30; H10K85/311
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A POLYMERIC REACTION PRODUCT OF SUBSTANTIALLY TWO MOLES OF TETRACYANOETHYLENE PER MOLE OF METAL SALT, SAID REACTION PRODUCT FORMED BY HEATING THE REACTANTS IN AN INERT ATMOSPHERE AT A TEMPERATURE SUFFICIENT TO CAUSE REACTION BUT INSUFFICIENT TO CAUSE SUBSTANTIAL PYROLYSIS OF THE REACTION PRODUCT IN THE RANGE OF ABOUT 100*-300*C.
Claim 2
Dependent Claim
50 words
A POLYMERIC REACTION PRODUCT OF SUBSTANTIALLY TWO MOLES OF TETRACYANOETHYLENE PER MOLE OF METAL SALT, SAID REACTION PRODUCT FORMED BY HEATING THE REACTANTS IN AN INERT ATMOSPHERE AT A TEMPERATURE SUFFICIENT TO CAUSE REACTION BUT INSUFFICIENT TO CAUSE SUBSTANTIAL PYROLYSIS OF THE REACTION PRODUCT IN THE RANGE OF ABOUT 100*-300*C.
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |