US3817784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating substrates with copper by thermal decomposition of selected fluoroorganocopper (i) compounds
Assignee: EIDP Inc
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Filing: 1972-05-09
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Granted: 1974-06-18
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Expires: 1992-05-09
Abstract
Abstract A PROCESS FOR COPPER-COATING VARIOUS SUBSTRATES AND A DESCRIPTION OF THE SUBSTRATES THAT ARE COATED. THE PROCESS COMPRISES SELECTED FLUOROORGANOCOPPER COMPOSITIONS AT PREFERRED TEMPERATURES OF ABOUT -20*C. TO 350*C. THE COPPER COATING ARE ELECTRICAL CONDUCTORS AND USEFUL, FOR INSTANCE, IN PRINTED CIRCUITS.
Inventors
- 👤 A Cairncross
- 👤 W Sheppard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:55
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/08; C23; C23C; C23C16/00; C23C16/06; C23C16/18; H; H05; H05K; H05K3/00; H05K3/10; H05K3/105
Claims Analysis
Total Claims: 0
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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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |