US3775355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant epoxy-based materials and a process for their preparation
Assignee: Rain Carbon Germany GmbH
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Filing: 1972-02-10
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Granted: 1973-11-27
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Expires: 1992-02-10
Abstract
Abstract A PROCESS FOR THE PREPARATION OF A FLAME RESISTANT COMPOSITION WHICH COMPRISES MIXING AN EPOXY RESIN AND AN EPOXY RESIN CURING AGENT WITH AT LEAST ONE GLYCIDYL ETHER OF A DIBROMINATED MONONUCLEAR MONOPHENOL, AND REACTING THE RESULTING MIXTURE AT AMBIENT TEMPERATURE TO FORM THE COMPOSITION, THE AMOUNT OF SAID ETHER BEING SUFFICIENT TO RENDER SAID COMPOSITION FLAME RESISTANT. THE FLAME RESISTANT COMPOSITIONS ARE PARTICULARLY USEFUL AS PLASTICS, COATINGS AND ADHESIVES.
Inventors
- 👤 K Jellinek
- 👤 U Post
- 👤 D Gerlach
- 👤 R Oellig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |