US2839117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self cleaning butyl vulcanizates
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-12-29
•
Granted: 1958-06-17
•
Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Robert E Clayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:03
CPC Classifications
B; B60; B60C; B60C1/00; B60C1/0025; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TUBELESS TIRE CONTAINING AS A SELF-CLEANING SIDEWALL THEREOF, A VULCANIZED RUBBERY POLYMERIC COMPOSITION OF IMPROVED WEATHERING AND DISCOLORING RESISTANCE COMPRISING ABOUT 100 PARTS BY WEIGHT OF A COPOLYMEAR OF ABOUT 90 TO 99 WEIGHT PERCENT OF AN ISOOLEFIN OF ABOUT 4 TO 7 CARBON ATOMS AND ABOUT 1 TO 10 WEIGHT PERCENT OF CONJUGATED DIOLEFIN OF ABOUT 4 TO 10 CARBON ATOMS, ABOUT 20 TO 150 PARTS BY WEIGHT OF CALCIUM OXIDE, ABOUT 25 TO 100 PARTS BY WEIGHT OF TITANIUM DIOXIDE, AND ABOUT 5 TO 30 PARTS BY WEIGHT OF ZINC OXIDE.
Claim 2
Dependent Claim
94 words
A TUBELESS TIRE CONTAINING AS A SELF-CLEANING SIDEWALL THEREOF, A VULCANIZED RUBBERY POLYMERIC COMPOSITION OF IMPROVED WEATHERING AND DISCOLORING RESISTANCE COMPRISING ABOUT 100 PARTS BY WEIGHT OF A COPOLYMEAR OF ABOUT 90 TO 99 WEIGHT PERCENT OF AN ISOOLEFIN OF ABOUT 4 TO 7 CARBON ATOMS AND ABOUT 1 TO 10 WEIGHT PERCENT OF CONJUGATED DIOLEFIN OF ABOUT 4 TO 10 CARBON ATOMS, ABOUT 20 TO 150 PARTS BY WEIGHT OF CALCIUM OXIDE, ABOUT 25 TO 100 PARTS BY WEIGHT OF TITANIUM DIOXIDE, AND ABOUT 5 TO 30 PARTS BY WEIGHT OF ZINC OXIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |