US3595830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino organosilanes as antiozonants for rubbers
Assignee: Midland Silicones Ltd
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Filing: 1969-07-23
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Granted: 1971-07-27
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Expires: 1989-07-23
Abstract
Abstract THE RESISTANCE OF A VULCANISED ORGANIC ELASTOMER TO OZONE IS IMPROVED BY INCORPORATING CERTAIN AMINO ORGANOSILANES INTO THE ELASTOMER-FORMING COMPOSITION PRIOR TO VULCANISATION.
Inventors
- 👤 William John Owen
- 👤 Bryan Ewart Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:44
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/544; C08K5/0008; C08K5/005; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |