US3654058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of curing organopolysiloxanes and laminates formed thereby
Assignee: OI Glass Inc
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Filing: 1970-08-20
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Granted: 1972-04-04
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Expires: 1990-08-20
Abstract
Abstract A GLASS CLOTH LAMINATE PREPARED FROM SOLUTIONS OF ORGANOPOLYSILOXANES PREPARED FORM TRIALKOXYSILANES. THE CURING OF THE ORGANOPOLYSILOXANES IS ACCOMPLISHED BY THE USE OF A PHOSPHONIC ACID (OR PRECURSOR THEREOF) CATALYST WHICH MARKEDLY REDUCES THE GEL TIME OF THE RESIN IN THE LAMINATE IN THE PRESS WHEREBY STRONG, HARD, BLISTER-FREE LAMINATES ARE PREPARED.
Inventors
- 👤 Amy L Jasinski
- 👤 Ian M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:23
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3553
Claims Analysis
Total Claims: 0
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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) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |