US2921873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated compositions stabilized against copper and copper wires coated with saidcompositions
Assignee: Westinghouse Electric Corp
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Filing: 1957-12-20
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Granted: 1960-01-19
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Dow A Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; C; C08; C08F; C08F2/00; C08F2/36; C08F2/44; C08F2/46; C08F283/00; C08F283/01; C08F4/00; C08F4/06; C09; C09D; C09D4/00; Y; Y10; Y10S; Y10S525/00; Y10S525/904; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
AN ELECTRICAL MEMBER COMPRISING A COPPER ELECTRICAL CONDUCTOR HAVING SOLID INSULATION IN DIRECT CONTACT THEREWITH, SAID SOLID INSULATION COMPRISING AN UNSATURATED VINYLIDENE COMPOSITION HAVING THE GROUP >C=C< WHICH HAS BEEN POLYMERIZED WHILE DIRECT CONTACT WITH THE COOPER CONDUCTOR BY HEATING THE COMPOSITION IN THE PRESENCE OF (1) A POLYMERIZATION CATALYST, (2) FROM 0.001% TO 0.5% BY WEIGHT, BASED ON THE WEIGHT OF THE UNSATURATED COMPOSITION, OF AT LEAST ONE METAL SALT OF AT LEAST ONE ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF SATURATED AND UNSATURATED ALIPHATIC ACIDS AND AROMATIC ACIDS, AND (3) FROM 0.002% TO 2% BY WEIGHT, BASED ON THE WEIGHT OF THE UNSATURATED COMPOSITION, OF A HETEROCYCLIC NITROGEN CONTAINING COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |