US2643207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of textile yarns to rubber
Assignee: Akzo Nobel UK PLC
•
Filing: 1947-10-13
•
Granted: 1953-06-23
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 Entwistle Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:00
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08L; C08L1/00; C08L1/08; C08L1/22; C08L1/24; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR THE PRODUCTION OF A COMPOSITE ARTICLE COMPRISING VULCANIZED RUBBER BONDED TO RAYON YARNS WHICH INCLUDES THE STEPS OF DISTRIBUTING WITHIN THE FILAMENTARY STRUCTURE OF RAYON YARN AN ADHESIVE CONSISTING ESSENTIALLY OF A PERMANENTLY SOLUBLE, PERMANENTLY FUSIBLE RESIN OBTAINED BY THE CONDENSATION OF AN ALDEHYDE AND A PHENOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC AND DIHYDRIC PHENOLS, SAID RESIN BEING OBTAINED BY CONDENSING THE ALDEHYDE AND THE PHENOL IN A MOLAR RATIO OF LESS THAN 1:1, PLACING THE YARNS SO FORMED IN CONTACT WITH UNVULCANIZED RUBBER AND SUBJECTING THE ASSEMBLY TO A VULCANIZING TEMPERATURE.
Claim 2
Dependent Claim
97 words
A PROCESS FOR THE PRODUCTION OF A COMPOSITE ARTICLE COMPRISING VULCANIZED RUBBER BONDED TO RAYON YARNS WHICH INCLUDES THE STEPS OF DISTRIBUTING WITHIN THE FILAMENTARY STRUCTURE OF RAYON YARN AN ADHESIVE CONSISTING ESSENTIALLY OF A PERMANENTLY SOLUBLE, PERMANENTLY FUSIBLE RESIN OBTAINED BY THE CONDENSATION OF AN ALDEHYDE AND A PHENOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC AND DIHYDRIC PHENOLS, SAID RESIN BEING OBTAINED BY CONDENSING THE ALDEHYDE AND THE PHENOL IN A MOLAR RATIO OF LESS THAN 1:1, PLACING THE YARNS SO FORMED IN CONTACT WITH UNVULCANIZED RUBBER AND SUBJECTING THE ASSEMBLY TO A VULCANIZING TEMPERATURE.
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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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |