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US3260641A
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Vulcanization bonding of ethylene alpha-olefin copolymer with a chlorosulfonated copolymer inner layer
Assignee: Montedison SpA
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Filing: 1961-05-26
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Granted: 1966-07-12
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Falcone Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:05
CPC Classifications
B; B32; B32B; B32B27/00; C; C09; C09J; C09J123/00; C09J123/26; C09J123/32; C09J123/34; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T442/00; Y10T442/20; Y10T442/2762
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A PRODUCT COMPRISING AT LEAST ONE LAYER OF VULCANIZED COPOLYMER OF ETHYLENE AND HIGHER ALPHA-OLEFIN HAVING THE FORMULA RCH2-CH=CH2, WHERE R IS SELECTED FROM THE GROUP OF HYDROGEN AND METHYL, AT LEAST ONE LAYER OF VULCANIZED NATURAL RUBBER, SAID LAYERS HAVING BEEN BONDED TOGETHER AND COVULCANIZED WITH AN ADHESIVE CONSISTING ESSENTIALLY OF A CHLOROSULFONATED COPOLYMER OF ETHYLENE AND A HIGHER ALPHA-OLEFIN HAVING THE FORMULA RCH2-CH=CH2, WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, AN ORGANIC PEROXIDE, A SULFUR CURING AGENT, UNCURED NATURAL RUBBER, AND A REINFORCING FILLER.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |