US3154431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating a surface with a stable aqueous silanol dispersion
Assignee: Johns Manville Fiber Glass Inc
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Filing: 1957-10-16
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Granted: 1964-10-27
•
Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Santelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:05
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/12; Y; Y10; Y10S; Y10S215/00; Y10S215/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE METHOD OF TREATING A SURFACE WHICH IS REACTIVE WITH A SILANOL TO PRODUCE A COATING OF INSOLUBLE ORGANOSILICON COMPOUNDS THEREON, WHICH COMPRISES TREATING SAID SURFACE WITH AN AQUEOUS DISPERSION OF A SILANOL, SAID DISPERSION HAVING BEEN PREPARED BY HYDROLYZING A SILANE, HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
Claim 2
Independent Claim
49 words
THE METHOD OF TREATING A SURFACE WHICH IS REACTIVE WITH A SILANOL TO PRODUCE A COATING OF INSOLUBLE ORGANOSILICON COMPOUNDS THEREON, WHICH COMPRISES TREATING SAID SURFACE WITH AN AQUEOUS DISPERSION OF A SILANOL, SAID DISPERSION HAVING BEEN PREPARED BY HYDROLYZING A SILANE, HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
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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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |