US3970770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire coated with fluorocarbon polymers cross-linked with dialyl ester of 4,4'-dicarboxydiphenyl ester
Assignee: DELTA SURPRENANT WIRE AND CABLE Inc
•
Filing: 1974-11-29
•
Granted: 1976-07-20
•
Expires: 1994-11-29
Abstract
Abstract The diallyl ester of 4,4'-dicarboxydiphenyl ether acts as an accelerator for the crosslinking of fluorocarbon polymers. The crosslinked polymers are particularly useful as electrical insulation coatings.
Inventors
- 👤 Kewal Singh Dhami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; H01B3/445; C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A wire coated with an irradiation crosslinked composition comprising a fluorocarbon polymer and the diallyl ester of 4,4'-dicarboxydiphenyl ether.
Claim 2
Dependent Claim
19 words
A wire coated with an irradiation crosslinked composition comprising a fluorocarbon polymer and the diallyl ester of 4,4'-dicarboxydiphenyl ether.
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) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |