US3004053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organosilanes employing alkyl aluminum halides
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1959-03-24
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Granted: 1961-10-10
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Shiihara Isao
- 👤 Jun Iyoda
- 👤 Takahashi Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801; C07F7/0896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PROCESS FOR PRODUCING ALKYL HYDROSILANES WHICH COMPRISES REACTING HYDROPOLYSILOXANE WITH AN ALKYLALUMINUM HALIDE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
18 words
A PROCESS FOR PRODUCING ALKYL HYDROSILANES WHICH COMPRISES REACTING HYDROPOLYSILOXANE WITH AN ALKYLALUMINUM HALIDE OF THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |