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US3297756A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyclononatetraenide salts and process of preparing

Assignee: EIDP Inc
•
Filing: 1963-07-19
•
Granted: 1967-01-10
•
Expires: 1983-07-19
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Abstract

No abstract record available.

Inventors

  • 👤 Richard E Benson
  • 👤 Lancette Eugene A La

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:38
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/02; C07C; C07C211/00; C07C211/62; C07C211/63; C10; C10M; C10M2215/00; C10M2215/02; C10M2215/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A SALT OF THE FORMULA
Claim 2
Dependent Claim 5 words
A SALT OF THE FORMULA

References Cited (Backward Citations)

US2784240A Cited
US2931833A Cited
US2880239A Cited
US3085118A Cited
US3007974A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-09 1970-07-11 1971-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-09 1974-07-11 1975-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-09 1978-07-11 1979-01-10 $7700.00 Window Closed / Lapsed

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