Patent US4813059A successfully refreshed from Google Patents.
Patent US3110644A successfully refreshed from Google Patents.
US3110644A
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Method of reinforcing rubber articles
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1961-02-16
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Granted: 1963-11-12
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Aitken Roger Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:25
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF REINFORCING ARTICLES OF VULCANISABLE RUBBER WITH FIBROUS MATERIAL DERIVED FROM POLYMETHYLENE TEREPHTHALATE WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL AN ADHESIVE COMPOSITION COMPRISING AT LEAST 60% BY WEIGHT OF A DISPERSION OF A VINYL PYRIDINE COPOLYMER LATEX IN AN AQUEOUS ALKALINE SOLUTION OF RESORCINOL AND FORMALDEHYDE AND FROM 5% TO 15% BY WEIGHT OF AN ANIONIC DISPERSION OF POLYVINYL CHLORIDE, HEATING THE COMPOSITION AFTER APPLICATION TO THE FIBROUS MATEIAL AND THEREAFTER EMBEDDING SAID COATED FIBROUS MATERIAL IN THE VULCANISABLE RUBBER AND VULCANISING THE RUBBER.
Claim 2
Independent Claim
87 words
A METHOD OF REINFORCING ARTICLES OF VULCANISABLE RUBBER WITH FIBROUS MATERIAL DERIVED FROM POLYMETHYLENE TEREPHTHALATE WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL AN ADHESIVE COMPOSITION COMPRISING AT LEAST 60% BY WEIGHT OF A DISPERSION OF A VINYL PYRIDINE COPOLYMER LATEX IN AN AQUEOUS ALKALINE SOLUTION OF RESORCINOL AND FORMALDEHYDE AND FROM 5% TO 15% BY WEIGHT OF AN ANIONIC DISPERSION OF POLYVINYL CHLORIDE, HEATING THE COMPOSITION AFTER APPLICATION TO THE FIBROUS MATEIAL AND THEREAFTER EMBEDDING SAID COATED FIBROUS MATERIAL IN THE VULCANISABLE RUBBER AND VULCANISING THE RUBBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |