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US3047610A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing highly fluorinated acid chlorides and novel esters useful therein

Assignee: EIDP Inc
•
Filing: 1958-10-09
•
Granted: 1962-07-31
•
Expires: 1978-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Neal O Brace
  • 👤 William B Mccormack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:09
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07C; C07C51/00; C07C51/09; C07C51/347; C07C51/363; C07C51/58; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 5 words
AN ESTER OF THE FORMULA

References Cited (Backward Citations)

DE527874C Cited
US2816141A Cited
US2816140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-30 1966-01-29 1966-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-30 1970-01-29 1970-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-30 1974-01-29 1974-07-31 $7700.00 Window Closed / Lapsed

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