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US3278485A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-ionic organopolysiloxanes

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-03-20
•
Granted: 1966-10-11
•
Expires: 1984-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Morgan David Brereton
  • 👤 Vickers Edward Jervis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:51
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08G77/38; C08G77/382; C08G77/388; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/07

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 8 words
NON-IONIC ORGANOPOLYSILOXANES SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim 8 words
NON-IONIC ORGANOPOLYSILOXANES SELECTED FROM THE GROUP CONSISTING OF:

References Cited (Backward Citations)

US2902468A Cited
US3068152A Cited
US3179622A Cited
US3179713A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-10 1970-04-11 1970-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-10 1974-04-11 1974-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-10 1978-04-11 1978-10-11 $7700.00 Window Closed / Lapsed

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