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US3257440A Expired / Lapsed US ⏱️ 0.0 years remaining

Beta-cyanoethylpolysiloxane and process for producing beta-cyanoethylsilanes

Assignee: Union Carbide Corp
•
Filing: 1955-12-23
•
Granted: 1966-06-21
•
Expires: 1975-12-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Victor B Jex

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:50
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F7/1872; C07F7/1892; C07F7/12; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/052

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim 10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
Claim 3
Dependent Claim 10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
Claim 4
Dependent Claim 10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
Claim 5
Dependent Claim 17 words
A PROCESS FOR PRODUCING A BETA-CYANOETHYLSILANE WHICH COMPRISES FORMING A MIXTURE COMPRISING A SILANE OF THE FORMULA:
Claim 6
Dependent Claim 17 words
A PROCESS FOR PRODUCING A BETA-CYANOETHYLSILANE WHICH COMPRISES FORMING A MIXTURE COMPRISING A SILANE OF THE FORMULA:

References Cited (Backward Citations)

FR961878A Cited
US2561429A Cited
US2701803A Cited
US2637738A Cited
US2557802A Cited
US2721873A Cited
US2776306A Cited
US3099670A Cited
US2907784A Cited
US2911426A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-20 1969-12-20 1970-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-20 1973-12-20 1974-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-20 1977-12-20 1978-06-21 $7700.00 Window Closed / Lapsed

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