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US3538196A Expired / Lapsed US ⏱️ 0.0 years remaining

Bis(oxypropylated pentaerythritol) oxypropylated pentaerythritol phosphonate

Assignee: GE Chemicals Inc
•
Filing: 1963-12-11
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Granted: 1970-11-03
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Expires: 1983-12-11
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Abstract

No abstract record available.

Inventors

  • 👤 Charles F Baranauckas
  • 👤 Irving Gordon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 01:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08G79/00; C08G79/02; C08G79/04; C08K5/5373; Y; Y10; Y10S; Y10S260/00; Y10S260/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3092651A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-11-02 1974-05-04 1974-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-11-02 1978-05-04 1978-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-11-02 1982-05-04 1982-11-03 $7700.00 Window Closed / Lapsed

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