US3057809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible epoxy resin compositions and cured products
Assignee: Shell USA Inc
•
Filing: 1959-07-14
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Granted: 1962-10-09
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Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Newey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226; C08G59/32; C08G59/38; C08J2363/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A COMPOSITION COMPRISING (1) 10 PARTS TO 90 PARTS BY WEIGHT OF A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND OF THE GROUP CONSISTING OF POLYHYDRC PHENOLS AND POLYHYDRIC ALCOHOLS AND (2) 90 PARTS TO 10 PARTS BY WEIGHT OF A GLYCIDYL ESTER OF A POLYMERIZED LONG CHAIN UNSATURATED FATTY ACID.
References Cited (Backward Citations)
US2682514A
Cited
US2682515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |