US3826735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax composition for protecting rubbers against attack of ozone
Assignee: Eneos Corp
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Filing: 1973-03-07
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Granted: 1974-07-30
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Expires: 1993-03-07
Abstract
Abstract WAX COMPOSITIONS ARE DISCLOSED WHICH ARE USEFUL FOR PREVENTING RUBBER FROM BECOMING DEGRADED OR OTHERWISE DAMAGED IN CONTACT WITH OZONE IN THE ATMOSPHERE, SAID COMPOSITIONS COMPRISING TWO TYPES OF NORMAL CHAIN HYDROCARBONS, ONE HAVING A CARB0N NUMBER GREATER THAN THE OTHER. SELECTED WEIGHT PERCENTAGES OF THE RESPECTIVE HYDROCARBONS PERMIT THE WAX COMPOSITION TO EXHIBIT AND MAINTAIN THE DESIRED PERFORAMANCE IN A RELATIVELY WIDELY VARYING TEMPERATURE ENVIRONMENT.
Inventors
- 👤 T Shinomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:58
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L21/00
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |