US3241592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire containing ethylene-propylene copolymer coated cords and method of making same
Assignee: Phillips Petroleum Co
•
Filing: 1962-06-07
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Granted: 1966-03-22
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Loy D Sneary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2323/00; C08J2323/02; C08J2323/16; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
144 words
IN A PROCESS FOR MAKING A TIRE, THE IMPROVEMENT CONSISTING ESSENTIALLY OF IMPREGNATING TIRE CORDS WITH AN ETHYLENE-PROPYLENE COPOLYMERIZATION CATALYST COMPRISING A MIXTURE OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUPS IV-B-V-B AND VI-B OF THE PERIODIC TABLE, AND AN ORGANIC COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, RARE EARTH METALS, ZINC, AND ALIMINUM; INTRODUCING THE THUS IMPREGNATED TIRE CORDS INTO A REACTION ZONE; CONTACTING SAID THUS IMPREGNATED TIRE CORDS IN SAID REACTION ZONE WITH ETHYLENE AND PROPYLENE UNDER POLYMERIZATION CONDITIONS TO OBTAIN TIRE CORDS HAVING A LAYER OF ETHYLENE-PROPYLENE COPOLYMER RUBBER THEREON; CONTACT ING SAID TIRE CORDS HAVING A LAYER OF ETHYLENE-PROPYLENE COPOLYMER RUBBER WITH ADDITIONAL ETHYLENE-PROPYLENE COPOLYMER RUBBER AND A CURRING AGENT UNDER VULCANIZING CONDITIONS TO OBTAIN A TIRE CARCASS OF ETHYLENE-PROPYLENE COPOLYMER RUBER BONDED TO THE TIRE CORDS.
Claim 2
Dependent Claim
144 words
IN A PROCESS FOR MAKING A TIRE, THE IMPROVEMENT CONSISTING ESSENTIALLY OF IMPREGNATING TIRE CORDS WITH AN ETHYLENE-PROPYLENE COPOLYMERIZATION CATALYST COMPRISING A MIXTURE OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUPS IV-B-V-B AND VI-B OF THE PERIODIC TABLE, AND AN ORGANIC COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS, RARE EARTH METALS, ZINC, AND ALIMINUM; INTRODUCING THE THUS IMPREGNATED TIRE CORDS INTO A REACTION ZONE; CONTACTING SAID THUS IMPREGNATED TIRE CORDS IN SAID REACTION ZONE WITH ETHYLENE AND PROPYLENE UNDER POLYMERIZATION CONDITIONS TO OBTAIN TIRE CORDS HAVING A LAYER OF ETHYLENE-PROPYLENE COPOLYMER RUBBER THEREON; CONTACT ING SAID TIRE CORDS HAVING A LAYER OF ETHYLENE-PROPYLENE COPOLYMER RUBBER WITH ADDITIONAL ETHYLENE-PROPYLENE COPOLYMER RUBBER AND A CURRING AGENT UNDER VULCANIZING CONDITIONS TO OBTAIN A TIRE CARCASS OF ETHYLENE-PROPYLENE COPOLYMER RUBER BONDED TO THE TIRE CORDS.
Claim 3
Dependent Claim
11 words
A TIRE MADE IN ACCORDANCE WITH THE PROCESS OF CLAIM 1.
References Cited (Backward Citations)
US2316274A
Cited
US2270285A
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US2765297A
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US2748049A
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US2838477A
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US2839443A
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US3166538A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |