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US3065202A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of carbalkoxyalkylcontaining organopolysiloxanes

Assignee: General Electric Co
•
Filing: 1957-03-20
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Granted: 1962-11-20
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Expires: 1977-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Ben A Bluestein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:51
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 25 words
THE PROCESS FOR MAKING CARBALKOXYALYKL POLYSILOXANES WHICH COMPRISES (1) HEATING AT A TEMPERATURE ABOVE 50*C, A MIXTURE OF (A) A CYANOALKYLCHLOROSILANE HAVING ING THE FORMULA
Claim 2
Dependent Claim 25 words
THE PROCESS FOR MAKING CARBALKOXYALYKL POLYSILOXANES WHICH COMPRISES (1) HEATING AT A TEMPERATURE ABOVE 50*C, A MIXTURE OF (A) A CYANOALKYLCHLOROSILANE HAVING ING THE FORMULA

References Cited (Backward Citations)

US2691032A Cited
FR1116726A Cited
US2776306A Cited
US2723987A Cited
US2855381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-19 1966-05-21 1966-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-19 1970-05-21 1970-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-19 1974-05-21 1974-11-20 $7700.00 Window Closed / Lapsed

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