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US3293327A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyclic phosphites and phosphates

Assignee: GE Chemicals Inc
•
Filing: 1958-07-21
•
Granted: 1966-12-20
•
Expires: 1978-07-21
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Abstract

No abstract record available.

Inventors

  • 👤 Hechenbleikner Ingenuin
  • 👤 Francis C Lanoue
  • 👤 Carl W Pause
  • 👤 Bianco Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:11
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65748; C07F9/657109; C07F9/657145; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/3882; C08G18/3891; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/527; C08K5/5398; C11; C11B; C11B5/00; C11B5/0071; C11B5/0078; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/50; D06M13/51

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 7 words
COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim 7 words
COMPOUND SELECTED FROM THE GROUP CONSISTING OF

References Cited (Backward Citations)

US2643261A Cited
US2847443A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-19 1970-06-20 1970-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-19 1974-06-20 1974-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-19 1978-06-20 1978-12-20 $7700.00 Window Closed / Lapsed

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