US2915490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin adhesive compositions, their preparation, and tape containing same
Assignee: Shell Development Co
•
Filing: 1956-12-10
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Granted: 1959-12-01
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Francis C Hopper
- 👤 Naps Marguerite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:39
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3218; C08G59/38; C09; C09J; C09J7/00; C09J7/30; C09J7/35; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T442/00; Y10T442/20; Y10T442/2738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN ADHESIVE COMPOSITION COMPRISING A MIXTURE OF 70% TO 90% BY WEIGHT OF A POLYGLYCIDYL ETHER OF AN ALPHA,ALPHA,OMEGA,OMEGA - TETRAKIS (HYDROXYARYL) ALKANE WHEREIN THE ALKANE GROUP CONTAINS FROM 3 TO 6 CARBON ATOMS, AND 10% TO 30% BY WEIGHT OF A SOLID POLYGLYCIDYL ETHER OF A DIHYDRIC PHENOL, A REINFORCING FILLER AND AN ALKALINE EPOXY CURING AGENT.
Claim 2
Dependent Claim
58 words
AN ADHESIVE COMPOSITION COMPRISING A MIXTURE OF 70% TO 90% BY WEIGHT OF A POLYGLYCIDYL ETHER OF AN ALPHA,ALPHA,OMEGA,OMEGA - TETRAKIS (HYDROXYARYL) ALKANE WHEREIN THE ALKANE GROUP CONTAINS FROM 3 TO 6 CARBON ATOMS, AND 10% TO 30% BY WEIGHT OF A SOLID POLYGLYCIDYL ETHER OF A DIHYDRIC PHENOL, A REINFORCING FILLER AND AN ALKALINE EPOXY CURING AGENT.
References Cited (Backward Citations)
CA523286A
Cited
US2713567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |