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US2866733A Expired / Lapsed US ⏱️ 0.0 years remaining

Mucosal-anesthetic compositions containing polycarboxylic acid salts of n-diethylaminoethyl-alpha-propyl-cinnamamide

Assignee: Olin Corp
•
Filing: 1956-10-02
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Granted: 1958-12-30
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Expires: 1976-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 William A Lott
  • 👤 Edward J Pribyl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:19
CPC Classifications
A; A61; A61K; A61K45/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 19 words
A MUCOSAL ANESTHETIC COMPOSITION COMPRISING A SUBSTANTIALLY NEUTRAL AQUEOUS SOLUTION OF A POLYBASIC NON-TOXIC ORGANIC ACID SALT OF N-DIETHYLAMINOETHYL-APROPYL-CINNAMAMIDE.

References Cited (Backward Citations)

US2139687A Cited
US2766173A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-29 1962-06-30 1962-12-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-29 1966-06-30 1966-12-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-29 1970-06-30 1970-12-30 $7700.00 Window Closed / Lapsed

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