US3240650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of polyethylene terephthalate fibers to natural rubber and butadiene-styrenesynthetic rubber
Assignee: Burlington Industries Inc
•
Filing: 1960-11-22
•
Granted: 1966-03-15
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Expires: 1980-11-22
Abstract
No abstract record available.
Inventors
- 👤 Everett C Atwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
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; Y10T428/31826; Y10T428/31833; Y10T428/31837; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PROCESS FOR BONDING POLYETHYLENE TEREPHTHALATE FIBERS TO A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND BUTADENE-STYRENE RUBBER, THE IMPROVEMENT WHICH COMPRISES FIRST TREATING SAID POLYETHYLENE TEREPHTHALATE FIBERS WITH AN ORGANIC SOLVENT SOLUTION OF AN ORGANIC POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF (A) POLYMETHYLENE POLYISOCYANATE OF THE FORMULA
Claim 2
Dependent Claim
53 words
IN A PROCESS FOR BONDING POLYETHYLENE TEREPHTHALATE FIBERS TO A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND BUTADENE-STYRENE RUBBER, THE IMPROVEMENT WHICH COMPRISES FIRST TREATING SAID POLYETHYLENE TEREPHTHALATE FIBERS WITH AN ORGANIC SOLVENT SOLUTION OF AN ORGANIC POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF (A) POLYMETHYLENE POLYISOCYANATE OF THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US2902398A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |