Patent US2723210A successfully refreshed from Google Patents.
US2723210A
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Method of treating glass fibers with an ammonium hydroxide solution containing a silane unsaturated
Assignee: Owens Corning
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Filing: 1952-10-02
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Granted: 1955-11-08
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Expires: 1972-10-02
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Biefeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:38
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF TREATING GLASS FIBERS TO IMPROVE THE ADHESION OF RESINOUS MATERIALS FORMED BY ADDITION POLYMERIZATION THROUGH UNSATURATED GROUPS COMPRISING COATING BARE GLASS FIBERS WITH AN AMMONIUM HYDROXIDE SOLUTION HAVING A PH BETWEEN 4-10 AND CONTAINING A SMALL AMOUNT OF A SILANE HAVING FROM 1-3 HYDROLYZABLE GROUPS AND AN ORGANIC GROUP HAVING FROM 2-8 CARBON ATOMS IN AN ALIPHATIC GROUP WHICH ALSO CONTAINS AN UNSATURATED CARBON TO CARBON LINKAGE.
Claim 2
Independent Claim
70 words
THE METHOD OF TREATING GLASS FIBERS TO IMPROVE THE ADHESION OF RESINOUS MATERIALS FORMED BY ADDITION POLYMERIZATION THROUGH UNSATURATED GROUPS COMPRISING COATING BARE GLASS FIBERS WITH AN AMMONIUM HYDROXIDE SOLUTION HAVING A PH BETWEEN 4-10 AND CONTAINING A SMALL AMOUNT OF A SILANE HAVING FROM 1-3 HYDROLYZABLE GROUPS AND AN ORGANIC GROUP HAVING FROM 2-8 CARBON ATOMS IN AN ALIPHATIC GROUP WHICH ALSO CONTAINS AN UNSATURATED CARBON TO CARBON LINKAGE.
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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) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |