Patent US2553718A successfully refreshed from Google Patents.
US2553718A
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Glycidyl ether compositions
Assignee: Shell Development Co
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Filing: 1949-07-05
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Granted: 1951-05-22
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Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Newey
- 👤 Edward C Shokal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5033; C08G59/68; C08G59/686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION OF MATTER COMPRISING AN ADDED 7% TO 25% OF BENZYLDIMETHYLAMINE COMMINGLED WITH GLYCIDYL ETHER OF A DIHYDRIC PHENOL, WHICH ETHER IS FREE FROM FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS AND HAS A 1,2EPOXY EQUIVALENCY BETWEEN ONE AND TWO.
Claim 2
Dependent Claim
42 words
A COMPOSITION OF MATTER COMPRISING AN ADDED 7% TO 25% OF BENZYLDIMETHYLAMINE COMMINGLED WITH GLYCIDYL ETHER OF A DIHYDRIC PHENOL, WHICH ETHER IS FREE FROM FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS AND HAS A 1,2EPOXY EQUIVALENCY BETWEEN ONE AND TWO.
References Cited (Backward Citations)
US2444333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |