US2864775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for curing polyepoxides by amine adducts and resulting products
Assignee: Shell Development Co
•
Filing: 1955-09-20
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Granted: 1958-12-16
•
Expires: 1975-09-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Newey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A PROCESS FOR PRODUCING AN INSOLUBLE RESINIFIED PRODUCT WHICH COMPRISES MIXING AND REACTING A POLYEPOXIDE HAVING
Claim 2
Dependent Claim
16 words
A PROCESS FOR PRODUCING AN INSOLUBLE RESINIFIED PRODUCT WHICH COMPRISES MIXING AND REACTING A POLYEPOXIDE HAVING
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |