Patent US3677827A successfully refreshed from Google Patents.
US3764375A
Expired / Lapsed
US
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Polyurethane wire coating method
Assignee: General Electric Co
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Filing: 1971-04-23
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Granted: 1973-10-09
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Expires: 1991-04-23
Abstract
Abstract ONE PACKAGE POURABLE POLYURETHANE COMPOSITIONS CONVERTIBLE TO THE NON-POURABLE STATE AT TEMPERATURES ABOVE 70*C. ARE PROVIDED, UTILIZING A POLYFUNCTIONAL ARYLURETHANE, A HYDROXY CONTAINING ORGANIC POLYMER AND A NITROGEN CONTAINING HETEROCYCLIC CATLYST, SUCH AS IMIDAZOLE. THE POLYURETHANE COMPOSITIONS ARE USEFUL AS WIRE ENAMELS, COATING COMPOSITIONS, ETC., AND CAN BE CONVERTED TO FOAMS. A WIRE COATING METHOD IS ALSO PROVIDED.
Inventors
- 👤 C Orlando
- 👤 C Emerick
- 👤 R Jerussi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:08
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/20; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/20; C08G18/2009; C08G18/70; C08G18/72; C08G18/80
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |