US3285804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covulcanizable polyether and sulfur-curable rubber laminate
Assignee: Hercules LLC
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Filing: 1963-04-11
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Granted: 1966-11-15
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Anderson E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:04
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/14; C08G65/22; C08L21/00; C08L7/00; C08L9/00; C08L9/02; C08L9/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A COVULCANIZED LAMINATE COMPRISING AT LEAST TWO STRONGLY BONDED PLIES, AT LEAST ONE PLY COMPRISING A VULCANIZED COPOLYMER DERIVED FROM AN ETHYLENICALLY UNSATURATED GLYCIDYL ETHER AND AT LEAST ONE OTHER MONOMER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE OXIDES CONTAINING AT LEAST 3 CARBON ATOMS AND MONOMERIC OXETANES AND AT LEAST ONE OTHER PLY COMPRISING A VULCANIZED SULFURCURABLE RUBBER, SAID LAMINATE HAVING BEEN COVULCANIZED WITH A CURING AGENT COMPRISING SULFUR AND AN ORGANIC ACCELERATOR.
Claim 2
Dependent Claim
74 words
A COVULCANIZED LAMINATE COMPRISING AT LEAST TWO STRONGLY BONDED PLIES, AT LEAST ONE PLY COMPRISING A VULCANIZED COPOLYMER DERIVED FROM AN ETHYLENICALLY UNSATURATED GLYCIDYL ETHER AND AT LEAST ONE OTHER MONOMER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE OXIDES CONTAINING AT LEAST 3 CARBON ATOMS AND MONOMERIC OXETANES AND AT LEAST ONE OTHER PLY COMPRISING A VULCANIZED SULFURCURABLE RUBBER, SAID LAMINATE HAVING BEEN COVULCANIZED WITH A CURING AGENT COMPRISING SULFUR AND AN ORGANIC ACCELERATOR.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |