US3290208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition for metal to metal structural applications comprising a polyurethane resin and a monomeric glycidyl ester
Assignee: Wyeth Holdings LLC
•
Filing: 1963-04-23
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Granted: 1966-12-06
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Lewis Armand Francis
- 👤 Ramsey Wallace Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C09; C09J; C09J175/00; C09J175/04; C08L; C08L2666/00; C08L2666/28; C08L2666/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31605; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN ADHESIVE COMPOSITION COMPRISING A UNIFORM MIXTURE OF (A) A POLYURETHANE RESIN, (B) ABOUT 60% TO ABOUT 130%, OF THE STOICHIOMETRIC EQUIVALENT WEIGHT OF (A), OF A DIAMINE CURING AGENT, AND (C) A MONOMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL METHACRYLATE AND GLYCIDYL ACRYLATE, THE RATIO OF (C) TO (A) RANGING FROM ABOUT 1:2 TO 1:11, RESPECTIVELY.
Claim 2
Dependent Claim
59 words
AN ADHESIVE COMPOSITION COMPRISING A UNIFORM MIXTURE OF (A) A POLYURETHANE RESIN, (B) ABOUT 60% TO ABOUT 130%, OF THE STOICHIOMETRIC EQUIVALENT WEIGHT OF (A), OF A DIAMINE CURING AGENT, AND (C) A MONOMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL METHACRYLATE AND GLYCIDYL ACRYLATE, THE RATIO OF (C) TO (A) RANGING FROM ABOUT 1:2 TO 1:11, RESPECTIVELY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |