Patent US3795641A successfully refreshed from Google Patents.
US3795641A
Expired / Lapsed
US
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Storage-stable oxygenated polyfunctional acrylic ester compositions for anaerobic sealants
Assignee: Hexion UK Ltd
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Filing: 1972-09-21
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Granted: 1974-03-05
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Expires: 1992-09-21
Abstract
Abstract OXYGENATION OF POLYFUNCTIONAL ACRYLATE MONOMERS. TYPIFIED BY TRIETHYLENE GLYCOL DIMETHACRYLATE, IN THE PRESENCE OF MINOR AMOUNTS OF AN ORGANIC TERTIARY AMINE AND/ OR AN AMIDO COMPOUND AND IN THE PRESENCE OF A CONVENTIONAL AMOUNT OF POLYMERIZATION INHIBITOR YEILDS STORAGESTABLE COMPOSITIONS USEFUL AS ADHESIVE SEALANTS CURING ANAEROBICALLY. IN A PREFERRED PRECEDURE, OXYGENATION IS CARRIED OUT SUCCESSIVELY IN THE PRESENCE OF O-BENZOIC SULFIMIDE AND THEN IN THE PRESENCE ALSO OF N,N-DIMETHYL-PTOLUIDINE.
Inventors
- 👤 W Lees
- 👤 D Bennett
- 👤 J Swire
- 👤 P Harding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/20; C08F222/00; C08F222/10; C08F222/1006; C08F222/102; C09; C09J; C09J4/00
Claims Analysis
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |