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US2906665A Expired / Lapsed US ⏱️ 0.0 years remaining

L-amphetamine alginate

Assignee: Nordson Pharmaceutical Laboratories Inc
•
Filing: 1957-03-08
•
Granted: 1959-09-29
•
Expires: 1977-03-08
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Abstract

No abstract record available.

Inventors

  • 👤 William T Doyle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:32
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0084

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 13 words
A THERAPEUTIC COMPOSITION COMPRISING AS THE ACTIVE AGENT THEL-AMPHETAMINE SALT OF ALGINIC ACID.

References Cited (Backward Citations)

US2158486A Cited
US2536168A Cited
US2748052A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-09-28 1963-03-30 1963-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-09-28 1967-03-30 1967-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-09-28 1971-03-30 1971-09-29 $7700.00 Window Closed / Lapsed

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