US3227675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silane-treated clay reinforced resin compositions
Assignee: JM Huber Corp
•
Filing: 1963-05-01
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Granted: 1966-01-04
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 John G Papalos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:29
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A SOLID POLYURETHANE VULCANIZATE OF IMPROVED PROPERTIES HAVING FINELY DISPERSED THEREIN A KAOLIN CLAY FILLER SURFACE MODIFIED WITH UP TO 10% BY WEIGHT BASED ON THE WEIGHT OF THE CLAY OF A SILANE SELECTED FROM THE GROUP CONSISTING OF METHACRYLOXYPROPYLTRIMETHOXY SILANE, GLYCIDOXYPROPYLTRIMETHOXY SILANE, AND 3,4-EPOXYCYCLOLHEXYLETHYLTRIMETHOXY SILANE.
Claim 2
Dependent Claim
46 words
A SOLID POLYURETHANE VULCANIZATE OF IMPROVED PROPERTIES HAVING FINELY DISPERSED THEREIN A KAOLIN CLAY FILLER SURFACE MODIFIED WITH UP TO 10% BY WEIGHT BASED ON THE WEIGHT OF THE CLAY OF A SILANE SELECTED FROM THE GROUP CONSISTING OF METHACRYLOXYPROPYLTRIMETHOXY SILANE, GLYCIDOXYPROPYLTRIMETHOXY SILANE, AND 3,4-EPOXYCYCLOLHEXYLETHYLTRIMETHOXY SILANE.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |