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US2647136A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of methylchlorosilanes

Assignee: General Electric Co
•
Filing: 1948-01-22
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Granted: 1953-07-28
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Expires: 1968-01-22
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Abstract

No abstract record available.

Inventors

  • 👤 Robert O Sauer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:19
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/125

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 19 words
THE METHOD FOR THE PRODUCTION OF METHYLCHLOROSILANES WHICH COMPRISES REACTING DIMETHYLDICHLOROSILANE WITH A COMPOUND CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Independent Claim 19 words
THE METHOD FOR THE PRODUCTION OF METHYLCHLOROSILANES WHICH COMPRISES REACTING DIMETHYLDICHLOROSILANE WITH A COMPOUND CORRESPONDING TO THE GENERAL FORMULA

References Cited (Backward Citations)

US2421653A Cited
US2403370A Cited
US2406605A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-27 1957-01-26 1957-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-27 1961-01-26 1961-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-27 1965-01-26 1965-07-28 $7700.00 Window Closed / Lapsed

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