Patent US2991654A successfully refreshed from Google Patents.
Patent US3271355A successfully refreshed from Google Patents.
US3271355A
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Hydrocarbon polymer containing vinyl silane modified silica
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-02-09
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Granted: 1966-09-06
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Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Byron M Vanderbilt
- 👤 Jr Charles F Marsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5425; C08F; C08F2/00; C08F255/00; C08K3/00; C08K3/34; C08K3/36; C08K5/04; C08K5/14; C08K9/00; C08K9/04; C08K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS WHICH COMPRISES ADMIXING: A. COARSE SILICA HAVING AN AVERAGE PARTICLE SIZE OF 10 TO 100 MICRONS; AND B. AN ORGANIC SILICANE CONTAINING AN UNSATURATED HYDROCARBON RADICAL ATTACHED TO THE SILICON ATOM; AND C. A THERMOSETTING MIX ONTAINING A MIXTURE SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
47 words
A PROCESS WHICH COMPRISES ADMIXING: A. COARSE SILICA HAVING AN AVERAGE PARTICLE SIZE OF 10 TO 100 MICRONS; AND B. AN ORGANIC SILICANE CONTAINING AN UNSATURATED HYDROCARBON RADICAL ATTACHED TO THE SILICON ATOM; AND C. A THERMOSETTING MIX ONTAINING A MIXTURE SELECTED FROM THE GROUP CONSISTING OF:
References Cited (Backward Citations)
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Cited
US2502949A
Cited
US2859198A
Cited
US2897173A
Cited
US2831829A
Cited
US2952595A
Cited
US3062242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |