US3240659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of nitrile rubbers to polyethylene terephthalate
Assignee: Burlington Industries Inc
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Filing: 1960-11-09
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Granted: 1966-03-15
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Expires: 1980-11-09
Abstract
No abstract record available.
Inventors
- 👤 Everett C Atwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:27
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2309/00; C08J2309/02; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3911; Y10T442/60; Y10T442/674; Y10T442/679
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
IN A PROCESS FOR BONDING POLYETHYLENE TEREPHTHALATE FIBERS TO BUTADIENE-ACRYLONITRILE RUBBER, THE IMPROVEMENT WHICH COMPRISES FIRST TREATING SAID POLYETHYLENE TEREPHTHALATE FIBERS WITH AN ORGANIC SOLVENT SOLUTION OF AN ORGANIC POLYISOCYANATE, DRYING THE THUS TREATED POLYETHYLENE TEREPHTHALATE FIBERS, THEN TREATING SAID FIBERS WITH AN AQUEOUS COMPOSITION INCLUDING A RESOLE AND A BUTADIENEACRYLONITRILE LATEX AND AGAIN DRYING THE THUS TREATED MATERIAL, SAID TREATING AND DRYING STEPS PRECEDING THE APPLICATION OF THE BUTADIENE-ACRYLONITRILE RUBBER TO SAID POLYETHYLENE TEREPHTHALATE.
Claim 2
Dependent Claim
75 words
IN A PROCESS FOR BONDING POLYETHYLENE TEREPHTHALATE FIBERS TO BUTADIENE-ACRYLONITRILE RUBBER, THE IMPROVEMENT WHICH COMPRISES FIRST TREATING SAID POLYETHYLENE TEREPHTHALATE FIBERS WITH AN ORGANIC SOLVENT SOLUTION OF AN ORGANIC POLYISOCYANATE, DRYING THE THUS TREATED POLYETHYLENE TEREPHTHALATE FIBERS, THEN TREATING SAID FIBERS WITH AN AQUEOUS COMPOSITION INCLUDING A RESOLE AND A BUTADIENEACRYLONITRILE LATEX AND AGAIN DRYING THE THUS TREATED MATERIAL, SAID TREATING AND DRYING STEPS PRECEDING THE APPLICATION OF THE BUTADIENE-ACRYLONITRILE RUBBER TO SAID POLYETHYLENE TEREPHTHALATE.
Claim 3
Dependent Claim
9 words
THE PRODUCT OBTAINED BY THE PROCESS OF CLAIM 3.
Claim 4
Dependent Claim
25 words
THE PROCESS OF CLAIM 1 INCLUDING THE FURTHER STEP OF APPLYING SAID RUBBER TO THE DRIED, DUAL TREATED POLYETHYLENE-TEREPHTHALATE FIBERS AND THEN VULCANIZING THE SAME.
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) | 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 |