US3647741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized heat curable silicone elastomers
Assignee: Wacker Chemical Corp
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Filing: 1968-12-18
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Granted: 1972-03-07
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Expires: 1988-12-18
Abstract
Abstract SILICONE ELASTOMERS HAVING IMPROVED HEAT STABILITY, COMPRESSION SET AND RESISTANCE TO REVERSION MAY BE OBTAINED BY INCORPORATING FUMED TITANIUM DIOXIDE IN HEAT CURABLE ORGANOPOLYSILOXANE COMPOSITIONS.
Inventors
- 👤 William Earl Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:38
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |