Patent US2847343A successfully refreshed from Google Patents.
US2847343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethoxyline resin compositions and their preparation
Assignee: General Electric Co
•
Filing: 1957-03-07
•
Granted: 1958-08-12
•
Expires: 1977-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leo S Kohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/72; C08G59/40; C08G59/44; C08G59/448; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN IMPREGNATING AD COATING MATERIAL COMPRISING THE HEAT REACTION PRODUCT OF (1) 100 PARTS BY WEIGHT OF A COMPLEX EPOXIDE RESIN HAVING AN EPOXY EQUIVALENT OF FROM 175 TO 375, CONTAINING 1,2 EPOXIDE GROUPS AND COMPRISING A POLYETHER DERIVATIVE OF A POLYHYDRIC ORGANIC COMPOUND SELECTED AND PHENOLS, HAVING AT LEAST TWO PHENOLIC HYDRIC ALCOHOLS AND PHENOLS, HAVING AT LEAST TWO PHENOLIC GROUPS, (2) FROM 2 TO 6 PARTS BY WEIGHT OF BF3-ORGANIC BASE COMPLEX, AND (3) FROM 5 TO 20 PARTS BY WEIGHT OF LACTAM.
Claim 2
Dependent Claim
85 words
AN IMPREGNATING AD COATING MATERIAL COMPRISING THE HEAT REACTION PRODUCT OF (1) 100 PARTS BY WEIGHT OF A COMPLEX EPOXIDE RESIN HAVING AN EPOXY EQUIVALENT OF FROM 175 TO 375, CONTAINING 1,2 EPOXIDE GROUPS AND COMPRISING A POLYETHER DERIVATIVE OF A POLYHYDRIC ORGANIC COMPOUND SELECTED AND PHENOLS, HAVING AT LEAST TWO PHENOLIC HYDRIC ALCOHOLS AND PHENOLS, HAVING AT LEAST TWO PHENOLIC GROUPS, (2) FROM 2 TO 6 PARTS BY WEIGHT OF BF3-ORGANIC BASE COMPLEX, AND (3) FROM 5 TO 20 PARTS BY WEIGHT OF LACTAM.
References Cited (Backward Citations)
US2717885A
Cited
US2707708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |