Patent US3223577A successfully refreshed from Google Patents.
US3223577A
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Silylated polyepoxides
Assignee: Dow Silicones Corp
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Filing: 1961-05-19
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Granted: 1965-12-14
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Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
C; C09; C09D; C09D167/00; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C07; C07F; C07F7/00; C07F7/02; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G59/32; C08G59/3254; C08G8/00; C08L; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A SILYLATED POLYEPOXIDE IN WHICH EACH SILYL MOIETY IS SELECTED FROM THE GROUP CONSISTING OF RADICALS OF THE FORMULA
Claim 2
Dependent Claim
54 words
A LAMINATE OF SUPERIOR STRENGTH COMPRISING MULTILAYERS OF GLASS FIBERS WHICH FIBERS HAVE BEEN COATED WITH A THIN COATING OF A COMPOSITION OF CLAIM 2 IN AMOUNT OF AT LEAST .1 PERCENT BY WEIGHT OF THE WEIGHT OF THE GLASS FIBERS AND OVER SAID COATING DIRECTLY BONDED TO SAID COATING, A CURED POLYESTER RESIN.
References Cited (Backward Citations)
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |