Patent US3234042A successfully refreshed from Google Patents.
US3234042A
Expired / Lapsed
US
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Method for improving the adhesion of vinyl polymers to glass fibers by the use of nitrogen compounds
Assignee: —
•
Filing: —
•
Granted: 1966-02-08
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:07
CPC Classifications
C; C08; C08G; C08G18/00; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6212; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L75/00; C08L75/04; C08L75/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF PRODUCING GLASS FIBERS COATED WITH POLYVINYL RESIN STRONGLY BONDED TO THE GLASS FIBER SURFACES, COMPRISING THE STEPS OF INCORPORATING A POLYISOCYNATE IN THE COATING MATERIAL FOR ADMIXTURE WITH THE POLYVINYL RESIN, PRIOR TO THE COATING OF THE MATERIAL ONTO THE GLASS FIBER SURFACES, AND IN WHICH THE POLYISOCYANATE IS PRESENT IN AN AMOUNT WITHINT THE RANGE OF 2-10 PERCENT BY WEIGHT OF THE POLYVINYL RESIN.
Claim 2
Independent Claim
68 words
THE METHOD OF PRODUCING GLASS FIBERS COATED WITH POLYVINYL RESIN STRONGLY BONDED TO THE GLASS FIBER SURFACES, COMPRISING THE STEPS OF INCORPORATING A POLYISOCYNATE IN THE COATING MATERIAL FOR ADMIXTURE WITH THE POLYVINYL RESIN, PRIOR TO THE COATING OF THE MATERIAL ONTO THE GLASS FIBER SURFACES, AND IN WHICH THE POLYISOCYANATE IS PRESENT IN AN AMOUNT WITHINT THE RANGE OF 2-10 PERCENT BY WEIGHT OF THE POLYVINYL RESIN.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |