Patent US3591408A successfully refreshed from Google Patents.
US3591408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coloring glass fibers and fabrics
Assignee: Owens Corning
•
Filing: 1967-12-06
•
Granted: 1971-07-06
•
Expires: 1987-12-06
Abstract
Abstract THE COLORING OF GLASS FIBERS BY TREATMENT OF THE GLASS FIBERS WITH THE COMBINATION OF AN AMINO AND/OR EPOXY SILANE, ITS SILANOL OR POLYSILOXANE AND A FIBER REACTIVE PROCILAN DYE OR PROCION DYE HAVING GROUPINGS THAT REACT WITH THE AMINO OR EPOXY GROUPS OF THE ORGANO SILICON COMPOUND TO FORM AN ORGANO SILICON-DYE COMPOUND THAT BECOMES STRONGLY ANCHORED TO THE GLASS FIBER SURFACES WITH SUFFICIENT DYE CONCENTRATION TO IMPART THE DESIRED COLOR INTENSITY.
Inventors
- 👤 Alfred Marzocchi
- 👤 David W Boyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:52
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/2964
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |