US3575792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesion of cord fabric to vulcanized elastomers
Assignee: Huels AG
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Filing: 1968-02-13
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Granted: 1971-04-20
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Expires: 1988-02-13
Abstract
Abstract THE ADHESION OF CORD WEBS TO VULCANIZED ELASTOMERS OF ETHYLENE, AT LEAST ONE OTHER A-MONOOLEFIN AND AT LEAST ONE POLYUNSATURATED UNCONJUGATED OLEFIN BY INPREGNATION WITH RESORCINOL/FORMALDEHYDE LATEX MIXTURES IS IMPROVED WHEN FROM 0.01-10 PARTS BY WEIGHT OF POLY (CONJUGATED) DIOLEFIN, BASED ON 100 PARTS BY WEIGHT OF SAID ELASTOMERS, IS ADMIXED WITH THE ELASTOMERS.
Inventors
- 👤 Haralad Blumel
- 👤 Gerhard Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/10; C08J2323/00; C08J2323/02; C08J2323/16; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967; Y10T428/2969; Y10T428/31504; Y10T428/31826; Y10T428/31833
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |