US3795535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating a surface of a glass article and the glass article produced therefrom
Assignee: Ford Motor Co
•
Filing: 1969-05-29
•
Granted: 1974-03-05
•
Expires: 1989-05-29
Abstract
Abstract A SURFACE OF A GLASS ARTICLE IS TREATED TO MAKE THE GLASS SURFACE WATER WETTABLE (HYDROPHILIC) IN THE FOLLOWING MANNER. A BATH OF A MIXTURE OF AN ION EXCHANGE MEDIUM FOR THE GLASS AND A MATERIAL WHICH HAS SURFACE ACTIVE QUALITIES IS FORMED. THE GLASS ARTICLE IS TREATED IN THE BATH AND AN INTERCHANGE OF IONS FROM THE ION EXCHANGE MEDIUM IS EFFECTED BETWEEN THE GLASS. THIS ION INTERCHANGE RESULTS IN A CARRYOVER TO THE GLASS OF AT LEAST A PORTION OF THE MATERIAL HAVING THE SURFACE ACTIVE QUALITIES. THE MATERIALS HAVING THE SURFACE ACTIVE QUALITIES ARE PREFERABLY SELCTED FROM THE GROUP CONSISTING ESSENTIALLY OF SILICONES. SILANES AND FLUOROCARBONS.
Inventors
- 👤 T Boller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:57
CPC Classifications
C; C03; C03C; C03C21/00; C03C21/001; C03C17/00; C03C17/28; C03C17/30; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |